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    Climate change did not alter the effects of Bt maize on soil Collembola in northeast China

    Chaudhary, G. & Singh, S. K. Global status of genetically modified crops and its commercialization: environmental issues in logistics and manufacturing. (2019).Zwahlen, C., Hilbeck, A., Gugerli, P. & Nentwig, W. Degradation of the Cry1Ab protein within transgenic Bacillus thuringiensis corn tissue in the field. Mol. Ecol. 12, 765–775 (2010).Article 

    Google Scholar 
    Kamota, A., Muchaonyerwa, P. & Mnkeni, P. N. S. Decomposition of surface-applied and soil-incorporated Bt maize leaf litter and Cry1Ab protein during winter fallow in South Africa. Pedosphere 24, 251–257 (2014).CAS 
    Article 

    Google Scholar 
    Xue, K., Diaz, B. R. & Thies, J. E. Stability of Cry3Bb1 protein in soils and its degradation in transgenic corn residues. Soil Biol. Biochem. 76, 119–126 (2014).CAS 
    Article 

    Google Scholar 
    Griffiths, N. A. et al. Occurrence, leaching, and degradation of Cry1Ab protein from transgenic maize detritus in agricultural streams. Sci. Total Environ. 592, 97–105 (2017).ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 
    Wang, B. F., Yin, J. Q., Wu, F. C., Jiang, Z. L. & Song, X. Y. Field decomposition of Bt-506 maize leaves and its effect on Collembola in the black soil region of Northeast China. Glob. Ecol. Conserv. https://doi.org/10.1016/j.gecco.2021.e01480 (2021).Article 

    Google Scholar 
    Shu, Y. H., Zhang, Y. Y., Zeng, H., Zhang, Y. H. & Wang, J. W. Effects of Cry1Ab Bt maize straw return on bacterial community of earthworm Eisenia Fetida. Chemosphere 173, 1–13 (2017).ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 
    Čerevková, A., Miklisová, D., Szoboszlay, M. S., Tebbe, C. C. & Cagáň, L. The responses of soil nematode communities to Bt maize cultivation at four field sites across Europe. Soil Biol. Biochem. 119, 194–202 (2018).Article 
    CAS 

    Google Scholar 
    Liu, T. et al. Root and detritus of transgenic Bt crop did not change nematode abundance and community composition but enhanced trophic connections. Sci. Total Environ. 644, 822–829 (2018).ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 
    Domínguez, M. T., Holthof, E., Smith, A. R., Koller, E. & Emmett, B. A. Contrasting response of summer soil respiration and enzyme activities to long-term warming and drought in a wet shrubland (NE Wales, UK). Appl. Soil Ecol. 110, 151–155 (2016).Article 

    Google Scholar 
    Zhang, Q. F. et al. Are the combined effects of warming and drought on foliar C:N:P:K stoichiometry in a subtropical forest greater than their individual effects?. Forest Ecol. Manag. 448, 256–266 (2019).Article 

    Google Scholar 
    Chen, Q., Niu, B., Hu, Y., Luo, T. & Zhang, G. Warming and increased precipitation indirectly affect the composition and turnover of labile-fraction soil organic matter by directly affecting vegetation and microorganisms. Sci. Total Environ. 714, 136787.1-136787.9 (2020).
    Google Scholar 
    Dai, A. Drought under global warming: A review. Wiley Interdiscip. Rev. Clim. Change 2, 45–65 (2011).Article 

    Google Scholar 
    Martin, J. T., Pederson, G. T., Woodhouse, C. A., Cook, E. R. & King, J. Increased drought severity tracks warming in the United States’ largest river basin. Proc. Natl. Acad. Sci. USA 117, 201916208 (2020).
    Google Scholar 
    Ma, S., Zhu, C. & Liu, J. Combined impacts of warm central equatorial pacific sea surface temperatures and anthropogenic warming on the 2019 severe drought in east China. Adv. Atmos. Sci. 37, 1149–1163 (2020).Article 

    Google Scholar 
    Peñuelas, J. et al. Nonintrusive field experiments show different plant responses to warming and drought among sites, seasons, and species in a north–south European gradient. Ecosystems 7, 598–612 (2004).Article 

    Google Scholar 
    Sardans, J., Peñuelas, J. & Estiarte, M. Warming and drought alter soil phosphatase activity and soil P availability in a Mediterranean shrubland. Plant Soil 289, 227–238 (2006).CAS 
    Article 

    Google Scholar 
    Viciedo, D. O., Prado, R., Martinez, C. A., Habermann, H. & Piccolo, M. Short-term warming and water stress affect Panicum maximum Jacq. stoichiometric homeostasis and biomass production. Sci. Total Environ. 681, 267–274 (2019).ADS 
    Article 
    CAS 

    Google Scholar 
    Meeran, K. et al. Warming and elevated CO2 intensify drought and recovery responses of grassland carbon allocation to soil respiration. Glob. Change Biol. 27, 3230–3243 (2021).Article 

    Google Scholar 
    Lang, B., Rall, B. C., Scheu, S. & Brose, U. Effects of environmental warming and drought on size-structured soil food webs. Oikos 123, 1224–1233 (2014).Article 

    Google Scholar 
    Pold, G., Melillo, J. M. & Deangelis, K. M. Two decades of warming increases diversity of a potentially lignolytic bacterial community. Front. Microbiol. 6, 480 (2010).
    Google Scholar 
    Séneca, J. et al. Composition and activity of nitrifier communities in soil are unresponsive to elevated temperature and CO2, but strongly affected by drought. ISME J. 14, 1–16 (2020).Article 
    CAS 

    Google Scholar 
    Santos, A. et al. Water stress alters lignin content and related gene expression in two sugarcane genotypes. J. Agric. Food Chem. 63, 4708 (2015).CAS 
    PubMed 
    Article 

    Google Scholar 
    Albert, K. R. et al. Effects of elevated CO2, warming and drought episodes on plant carbon uptake in a temperate heath ecosystem are controlled by soil water status. Plant Cell Environ. 34, 1207–1222 (2011).CAS 
    PubMed 
    Article 

    Google Scholar 
    Peñuelas, J. et al. Nonintrusive field experiments show different plant responses to warming and drought among sites, seasons, and species in a north-south European gradient. Ecosystems 7, 598–612 (2004).Article 

    Google Scholar 
    Zhu, E., Cao, Z., Jia, J., Liu, C. & Feng, X. Inactive and inefficient: Warming and drought effect on microbial carbon processing in alpine grassland at depth. Glob. Change Biol. https://doi.org/10.1111/gcb.15541 (2021).Article 

    Google Scholar 
    Sardans, J., Peñuelas, J. & Estiarte, M. Changes in soil enzymes related to C and N cycle and in soil C and N content under prolonged warming and drought in a Mediterranean shrubland. Appl. Soil Ecol. 39, 223–235 (2008).Article 

    Google Scholar 
    Xu, G. L. et al. Seasonal exposure to drought and air warming affects soil Collembola and Mites. PLoS ONE 7, e43102 (2012).ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Chang, L. et al. Warming limits daytime but not nighttime activity of epigeic microarthropods in Songnen grasslands. Appl. Soil Ecol. 141, 79–83 (2019).Article 

    Google Scholar 
    Dai, A. G., Trenberth, K. E. & Qian, T. T. A global dataset of palmer drought severity index for 1870–2002: Relationship with soil moisture and effects of surface warming. J. Hydrometeorol. 5, 1117–1130 (2004).ADS 
    Article 

    Google Scholar 
    Bongaarts, J. Intergovernmental panel on climate change special report on global warming of 1.5 °C Switzerland: IPCC, 2018. Popul. Dev. Rev. 45, 251–252 (2019).Article 

    Google Scholar 
    Bellinger, P.F., Christiansen, K. A. & Janssens, F. Checklist of the Collembola of the World. 1996–2019. http://www.collembola.org (Accessed 10 Sept 2021).Hopkin, S. P. Biology of the Springtails (Insecta:Collembola) 1–330 (Oxford University Press, 1997).
    Google Scholar 
    Rusek, J. Biodiversity of Collembola and their functional role in the ecosystem. Biodivers. Conserv. 7, 1207–1219 (1998).Article 

    Google Scholar 
    Filser, J. The role of Collembola in carbon and nitrogen cycling in soil. Pedobiologia 46, 234–245 (2002).
    Google Scholar 
    Endlweber, K. & Scheu, S. Effects of Collembola on root properties of two competing ruderal plant species. Soil Biol. Biochem. 38, 2025–2031 (2006).CAS 
    Article 

    Google Scholar 
    Rebek, E. J., Hogg, D. B. & Young, D. K. Effect of four cropping systems on the abundance and diversity of epedaphic Springtails (Hexapoda: Parainsecta: Collembola) in southern Wisconsin. Environ. Entomol. 31, 37–46 (2002).Article 

    Google Scholar 
    Santorufo, L. et al. An assessment of the influence of the urban environment on collembolan communities in soils using taxonomy- and trait-based approaches. Appl. Soil Ecol. 78, 48–56 (2014).Article 

    Google Scholar 
    Rossetti, I. et al. Isolated cork oak trees affect soil properties and biodiversity in a Mediterranean wooded grassland. Agric. Ecosyst. Environ. 202, 203–216 (2015).Article 

    Google Scholar 
    Hönemann, L., Zurbrügg, C. & Nentwig, W. Effects of Bt-corn decomposition on the composition of the soil meso- and macrofauna. Appl. Soil Ecol. 40, 203–209 (2008).Article 

    Google Scholar 
    Arias-Martín, M. et al. Effects of three-year cultivation of Cry1Ab-expressing Bt maize on soil microarthropod communities. Agric. Ecosyst. Environ. 220, 125–134 (2016).Article 
    CAS 

    Google Scholar 
    Song, X. Y. et al. Use of taxonomic and trait-based approaches to evaluate the effects of transgenic Cry1Ac corn on the community characteristics of soil Collembola. Environ. Entomol. 48, 263–269 (2019).PubMed 
    Article 

    Google Scholar 
    Thibaud, J. M. Intermue ettemperatures lethales chez les insects collemboles arthropleones. II.—Isotomidae, Entomobryidae et Tomoceridae. Rev. Ecol. Biol. Sol. 14, 267–278 (1977).
    Google Scholar 
    Eisenbeis, G. & Wichard, W. Atlas on the Biology of Soil Arthropods 200–228 (Springer, 1987).Book 

    Google Scholar 
    Wang, B. F., Wu, F. C., Yin, J. Q., Jiang, Z. L. & Song, X. Y. Use of taxonomic and trait-based approaches to evaluate the effect of Bt maize expressing cry1Ie protein on non-target Collembola: A case study in Northeast China. Insects. https://doi.org/10.3390/insects12020088 (2021).Article 
    PubMed 
    PubMed Central 

    Google Scholar 
    Chang, L., Song, X. Y., Wang, B. F., Wu, D. H. & Reddy, G. Effect of Bt corn (Bt 38) cultivation on community structure of Collembola. Ann. Entomol. Soc. Am. 113, 1–5 (2020).CAS 
    Article 

    Google Scholar 
    Al-Deeb, M., Wilde, G. E., Blair, J. M. & Todd, T. C. Effect of Bt corn for corn rootworm control on nontarget soil microarthropods and nematodes. Environ. Entomol. 32, 859–865 (2003).Article 

    Google Scholar 
    Bitzer, R. J., Rice, M. E., Pilcher, C. D., Pilcher, C. L. & Lam, W. F. Biodiversity and community structure of epedaphic and euedaphic springtails (Collembola) in transgenic rootworm Bt maize. Environ. Entomol. 34, 1346–1376 (2005).Article 

    Google Scholar 
    Yang, Y. et al. Toxicological and biochemical analyses demonstrate no toxic effect of Cry1C and Cry2A to Folsomia candida. Sci. Rep. 5, 15619 (2015).ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Jiang, Z., Zhou, L., Wang, B. F., Wang, D. M. & Song, X. Y. Toxicological and biochemical analyses demonstrate no toxic effect of Bt maize on the Folsomia candida. PLoS ONE 15, e0232747 (2020).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Frouz, J., Elhottová, D., Helingerová, M. & Kocourek, F. The effect of bt corn on soil invertebrates, soil microbial community and decomposition rates of corn post-harvest residues under field and laboratory conditions. J. Sustain. Agric. 32, 645–655 (2008).Article 

    Google Scholar 
    Daghighi, E., Filser, J., Koehler, H. & Kesel, R. Long-term succession of Collembola communities in relation to climate change and vegetation. Pedobiologia 64, 25–38 (2017).Article 

    Google Scholar 
    Chang, L. et al. Green more than brown food resources drive the effect of simulated climate change on Collembola: A soil transplantation experiment in Northeast China. Geoderma 392, 115008 (2021).ADS 
    CAS 
    Article 

    Google Scholar 
    Convey, P., Block, W. & Peat, H. J. Soil arthropods as indicators of water stress in Antarctic terrestrial habitats. Glob. Change Biol. 9, 1718–1730 (2003).ADS 
    Article 

    Google Scholar 
    Alvarez, T., Frampton, G. K. & Goulson, D. The effects of drought upon epigeal Collembola from arable soils. Agric. For. Entomol. 1, 243–248 (2015).Article 

    Google Scholar 
    Fountain, M. T. & Hopkin, S. P. Folsomia candida (collembola): A “standard” soil arthropod. Annu. Rev. Entomol. 50, 201–222 (2005).CAS 
    PubMed 
    Article 

    Google Scholar 
    Holmstrup, M. Water relations and drought sensitivity of Folsomia candida eggs (Collembola: Isotomidae). Eur. J. Entomol. 116, 229–234 (2019).Article 

    Google Scholar 
    Meehan, M. L., Barreto, C., Turnbull, M. S., Bradley, R. L. & Lindo, Z. Response of soil fauna to simulated global change factors depends on ambient climate conditions. Pedobiologia 83, 150672 (2020).Article 

    Google Scholar 
    Harte, J., Rawa, A. & Price, V. Effects of manipulated soil microclimate on mesofaunal biomass and diversity. Soil Biol. Biochem. 28, 313–322 (1996).CAS 
    Article 

    Google Scholar 
    Lindberg, N. Soil fauna and global change: responses to experimental drought, irrigation, fertilisation and soil warming. Acta Universitatis Agriculturae Sueciae Silvestria 37, + Papers I-IV (2003).Bokhorst, S. et al. Extreme winter warming events more negatively impact small rather than large soil fauna: shift in community composition explained by traits not taxa. Global Change Biolo. 18, 1152–1162 (2012).Macfadyen, A. Improved funnel-type extractors for soil arthropods. J. Anim. Ecol. 30, 171–184 (1961).Article 

    Google Scholar 
    Christiansen, K. A. & Bellinge, P. F. The Collembola of North America, North of the Rio Grande: A Taxonomic Analysis 2nd edn. (Grinnell College, 1998).
    Google Scholar 
    Fjellberg, A. The Collembola of Fennoscandia and Denmark. Part II: Entomobryomorpha and Symphypleona. In Fauna Entomologica Scandinavica, Vol. 42, 1−264 (Koninklijke Brill, 2007).Potapov, M. Synopses on Palaearctic Collembola: Isotomidae. Abhandlungen und Berichte des Naturkundemuseums, Görlitz, Poland 73, 1–603 (2001).
    Google Scholar 
    Yin, W. Y. Pictorial Keys to Soil Animals of China. 282−292, 592−600 (Science Press, 1998).Grime, J. P. Benefits of plant diversity to ecosystems: Immediate, filter and founder effects. J. Ecol. 86, 902–910 (1998).Article 

    Google Scholar 
    Cerabolini, B., Pierce, S., Luzzaro, A. & Ossola, A. Species evenness affects ecosystem processes in situ via diversity in the adaptive strategies of dominant species. Plant Ecol. 207, 333–345 (2010).Article 

    Google Scholar  More

  • in

    Global patterns and rates of habitat transitions across the eukaryotic tree of life

    Simpson, G. G. The Major Features of Evolution (Columbia Univ. Press, 1953).Losos, J. B. Adaptive radiation, ecological opportunity, and evolutionary determinism: American Society of Naturalists E. O. Wilson award address. Am. Nat. 175, 623–639 (2010).PubMed 
    Article 

    Google Scholar 
    Osborn, H. F. The law of adaptive radiation. Am. Nat. 36, 353–363 (1902).Article 

    Google Scholar 
    Yoder, J. B. et al. Ecological opportunity and the origin of adaptive radiations. J. Evol. Biol. 23, 1581–1596 (2010).CAS 
    PubMed 
    Article 

    Google Scholar 
    Robertson, G. P. et al. Soil resources, microbial activity, and primary production across an agricultural ecosystem. Ecol. Appl. 7, 158–170 (1997).Article 

    Google Scholar 
    Singer, D. et al. Protist taxonomic and functional diversity in soil, freshwater and marine ecosystems. Environ. Int. 146, 106262 (2021).CAS 
    PubMed 
    Article 

    Google Scholar 
    Miller, M. F. & Labandeira, C. C. Slow crawl across the salinity divide: delayed colonization of freshwater ecosystems by invertebrates. GSA Today 12, 4–10 (2002).Article 

    Google Scholar 
    Cnaani, A. & Hulata, G. Improving salinity tolerance in tilapias: past experience and future prospects. Isr. J. Aquac. 63, 20590 (2011).
    Google Scholar 
    Eiler, A. et al. Productivity and salinity structuring of the microplankton revealed by comparative freshwater metagenomics. Environ. Microbiol. 16, 2682–2698 (2014).CAS 
    PubMed 
    Article 

    Google Scholar 
    Cabello-Yeves, P. J. & Rodriguez-Valera, F. Marine-freshwater prokaryotic transitions require extensive changes in the predicted proteome. Microbiome 7, 117 (2019).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Hutchinson, G. E. A Treatise on Limnology (John Wiley & Sons, 1957).Vermeij, G. J. & Dudley, R. Why are there so few evolutionary transitions between aquatic and terrestrial ecosystems? Biol. J. Linn. Soc. 70, 541–554 (2000).Article 

    Google Scholar 
    Lee, C. E. & Bell, M. A. Causes and consequences of recent freshwater invasions by saltwater animals. Trends Ecol. Evol. 14, 284–288 (1999).CAS 
    PubMed 
    Article 

    Google Scholar 
    Logares, R. et al. Infrequent marine–freshwater transitions in the microbial world. Trends Microbiol. 17, 414–422 (2009).CAS 
    PubMed 
    Article 

    Google Scholar 
    Paver, S. F., Muratore, D., Newton, R. J. & Coleman, M. L. Reevaluating the salty divide: phylogenetic specificity of transitions between marine and freshwater systems. mSystems 3, e00232-18 (2018).Filker, S. et al. Transition boundaries for protistan species turnover in hypersaline waters of different biogeographic regions. Environ. Microbiol. 19, 3186–3200 (2017).CAS 
    PubMed 
    Article 

    Google Scholar 
    Cavalier-Smith, T. Megaphylogeny, cell body plans, adaptive zones: causes and timing of eukaryote basal radiations. J. Eukaryot. Microbiol. 56, 26–33 (2009).PubMed 
    Article 

    Google Scholar 
    Carr, M. et al. A six-gene phylogeny provides new insights into choanoflagellate evolution. Mol. Phylogenet. Evol. 107, 166–178 (2017).PubMed 
    Article 

    Google Scholar 
    Simon, M., López-García, P., Moreira, D. & Jardillier, L. New haptophyte lineages and multiple independent colonizations of freshwater ecosystems. Environ. Microbiol. Rep. 5, 322–332 (2013).CAS 
    PubMed 
    Article 

    Google Scholar 
    Bråte, J., Klaveness, D., Rygh, T., Jakobsen, K. S. & Shalchian-Tabrizi, K. Telonemia-specific environmental 18S rDNA PCR reveals unknown diversity and multiple marine–freshwater colonizations. BMC Microbiol. 10, 168 (2010).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Shalchian-Tabrizi, K. et al. Diversification of unicellular eukaryotes: cryptomonad colonizations of marine and fresh waters inferred from revised 18S rRNA phylogeny. Environ. Microbiol. 10, 2635–2644 (2008).CAS 
    PubMed 
    Article 

    Google Scholar 
    Von Der Heyden, S., Chao, E. E. & Cavalier-Smith, T. Genetic diversity of goniomonads: an ancient divergence between marine and freshwater species. Eur. J. Phycol. 39, 343–350 (2004).Article 
    CAS 

    Google Scholar 
    Žerdoner Čalasan, A., Kretschmann, J. & Gottschling, M. They are young, and they are many: dating freshwater lineages in unicellular dinophytes. Environ. Microbiol. 21, 4125–4135 (2019).PubMed 
    Article 

    Google Scholar 
    Annenkova, N. V., Giner, C. R. & Logares, R. Tracing the origin of planktonic protists in an ancient lake. Microorganisms 8, 543 (2020).CAS 
    PubMed Central 
    Article 

    Google Scholar 
    Annenkova, N. V., Hansen, G., Moestrup, Ø. & Rengefors, K. Recent radiation in a marine and freshwater dinoflagellate species flock. ISME J. 9, 1821–1834 (2015).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Annenkova, N. V., Hansen, G. & Rengefors, K. Closely related dinoflagellate species in vastly different habitats—an example of a marine–freshwater transition. Eur. J. Phycol. 55, 478–489 (2020).CAS 
    Article 

    Google Scholar 
    Obiol, A. et al. A metagenomic assessment of microbial eukaryotic diversity in the global ocean. Mol. Ecol. Resour. 20, 718–731 (2020).CAS 
    Article 

    Google Scholar 
    Jamy, M. et al. Long-read metabarcoding of the eukaryotic rDNA operon to phylogenetically and taxonomically resolve environmental diversity. Mol. Ecol. Resour. 20, 429–443 (2020).CAS 
    PubMed 
    Article 

    Google Scholar 
    Burki, F., Roger, A. J., Brown, M. W. & Simpson, A. G. B. The new tree of eukaryotes. Trends Ecol. Evol. 35, 43–55 (2020).PubMed 
    Article 

    Google Scholar 
    Guillou, L. et al. The Protist Ribosomal Reference database (PR2): a catalog of unicellular eukaryote small sub-unit rRNA sequences with curated taxonomy. Nucleic Acids Res. 41, D597–D604 (2012).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Jamy, M. et al. Data for ‘Global patterns and rates of habitat transitions across the eukaryotic tree of life’. figshare https://doi.org/10.6084/m9.figshare.15164772.v3 (2022).Dunthorn, M. et al. Placing environmental next-generation sequencing amplicons from microbial eukaryotes into a phylogenetic context. Mol. Biol. Evol. 31, 993–1009 (2014).CAS 
    PubMed 
    Article 

    Google Scholar 
    Barbera, P. et al. EPA-ng: massively parallel evolutionary placement of genetic sequences. Syst. Biol. 68, 365–369 (2019).PubMed 
    Article 

    Google Scholar 
    Pagel, M. Detecting correlated evolution on phylogenies: a general method for the comparative analysis of discrete characters. Proc. R. Soc. B 255, 37–45 (1994).Article 

    Google Scholar 
    Ishikawa, S. A., Zhukova, A., Iwasaki, W., Gascuel, O. & Pupko, T. A fast likelihood method to reconstruct and visualize ancestral scenarios. Mol. Biol. Evol. 36, 2069–2085 (2019).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Gottschling, M., Czech, L., Mahé, F., Adl, S. & Dunthorn, M. The windblown: possible explanations for dinophyte DNA in forest soils. J. Eukaryot. Microbiol. 68, e12833 (2021).Britton, T., Anderson, C. L., Jacquet, D., Lundqvist, S. & Bremer, K. Estimating divergence times in large phylogenetic trees. Syst. Biol. 56, 741–752 (2007).PubMed 
    Article 

    Google Scholar 
    Strassert, J. F. H., Irisarri, I., Williams, T. A. & Burki, F. A molecular timescale for eukaryote evolution with implications for the origin of red algal-derived plastids. Nat. Commun. 12, 1879 (2021).Parfrey, L. W., Lahr, D. J. G., Knoll, A. H. & Katz, L. A. Estimating the timing of early eukaryotic diversification with multigene molecular clocks. Proc. Natl Acad. Sci. USA 108, 13624–13629 (2011).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Loron, C. C. et al. Early fungi from the Proterozoic era in Arctic Canada. Nature 570, 232–235 (2019).CAS 
    PubMed 
    Article 

    Google Scholar 
    Al Jewari, C. & Baldauf, S. L. Conflict over the eukaryote root resides in strong outliers, mosaics and missing data sensitivity of site-specific (CAT) mixture models. Syst. Biol. syac029 (2022).He, D. et al. An alternative root for the eukaryote tree of life. Curr. Biol. 24, 465–470 (2014).CAS 
    PubMed 
    Article 

    Google Scholar 
    Derelle, R. & Lang, B. F. Rooting the eukaryotic tree with mitochondrial and bacterial proteins. Mol. Biol. Evol. 29, 1277–1289 (2012).CAS 
    PubMed 
    Article 

    Google Scholar 
    Del Campo, J. et al. The others: our biased perspective of eukaryotic genomes. Trends Ecol. Evol. 29, 252–259 (2014).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Boaden, P. J. S. Meiofauna and the origins of the Metazoa. Zool. J. Linn. Soc. 96, 217–227 (1989).Article 

    Google Scholar 
    Wiens, J. J. Faster diversification on land than sea helps explain global biodiversity patterns among habitats and animal phyla. Ecol. Lett. 18, 1234–1241 (2015).PubMed 
    Article 

    Google Scholar 
    Oliverio, A. M. et al. The global-scale distributions of soil protists and their contributions to belowground systems. Sci. Adv. 6, eaax8787 (2020).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Martijn, J. et al. Confident phylogenetic identification of uncultured prokaryotes through long read amplicon sequencing of the 16S‐ITS‐23S rRNA operon. Environ. Microbiol. 21, 2485–2498 (2019).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Krehenwinkel, H. et al. Nanopore sequencing of long ribosomal DNA amplicons enables portable and simple biodiversity assessments with high phylogenetic resolution across broad taxonomic scale. Gigascience 8, giz006 (2019).Furneaux, B., Bahram, M., Rosling, A., Yorou, N. S. & Ryberg, M. Long‐ and short‐read metabarcoding technologies reveal similar spatiotemporal structures in fungal communities. Mol. Ecol. Resour. 21, 1833–1849 (2021).CAS 
    PubMed 
    Article 

    Google Scholar 
    Logares, R. et al. Phenotypically different microalgal morphospecies with identical ribosomal DNA: a case of rapid adaptive evolution? Microb. Ecol. 53, 549–561 (2007).CAS 
    PubMed 
    Article 

    Google Scholar 
    Logares, R. et al. Recent evolutionary diversification of a protist lineage. Environ. Microbiol. 10, 1231–1243 (2008).CAS 
    PubMed 
    Article 

    Google Scholar 
    Nee, S., Holmes, E. C., May, R. M. & Harvey, P. H. Extinction rates can be estimated from molecular phylogenies. Philos. Trans. R. Soc. Lond. B 344, 77–82 (1994).CAS 
    Article 

    Google Scholar 
    Knoll, A. H. Paleobiological perspectives on early eukaryotic evolution. Cold Spring Harb. Perspect. Biol. 6, a016121 (2014).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Strother, P. K., Battison, L., Brasier, M. D. & Wellman, C. H. Earth’s earliest non-marine eukaryotes. Nature 473, 505–509 (2011).CAS 
    PubMed 
    Article 

    Google Scholar 
    Knoll, A. H., Javaux, E. J., Hewitt, D. & Cohen, P. Eukaryotic organisms in Proterozoic oceans. Philos. Trans. R. Soc. B 361, 1023–1038 (2006).CAS 
    Article 

    Google Scholar 
    Sánchez-Baracaldo, P., Raven, J. A., Pisani, D. & Knoll, A. H. Early photosynthetic eukaryotes inhabited low-salinity habitats. Proc. Natl Acad. Sci. USA 114, E7737–E7745 (2017).PubMed 
    PubMed Central 

    Google Scholar 
    Blank, C. E. & SÁnchez-Baracaldo, P. Timing of morphological and ecological innovations in the cyanobacteria—a key to understanding the rise in atmospheric oxygen. Geobiology 8, 1–23 (2010).CAS 
    PubMed 
    Article 

    Google Scholar 
    Hutchinson, G. E. The paradox of the plankton. Am. Nat. 95, 137–145 (1961).Article 

    Google Scholar 
    Richards, T. A., Jones, M. D. M., Leonard, G. & Bass, D. Marine fungi: their ecology and molecular diversity. Ann. Rev. Mar. Sci. 4, 495–522 (2012).PubMed 
    Article 

    Google Scholar 
    Amend, A. From dandruff to deep-sea vents: Malassezia-like fungi are ecologically hyper-diverse. PLoS Pathog. 10, e1004277 (2014).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Orsi, W., Biddle, J. F. & Edgcomb, V. Deep sequencing of subseafloor eukaryotic rRNA reveals active fungi across marine subsurface provinces. PLoS ONE 8, e56335 (2013).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Klein, M., Swinnen, S., Thevelein, J. M. & Nevoigt, E. Glycerol metabolism and transport in yeast and fungi: established knowledge and ambiguities. Environ. Microbiol. 19, 878–893 (2017).CAS 
    PubMed 
    Article 

    Google Scholar 
    Kaserer, A. O., Andi, B., Cook, P. F. & West, A. H. in Methods in Enzymology Vol. 471 (eds Simon M. I. et al.) 59–75 (Academic Press, 2010).Nakov, T., Beaulieu, J. M. & Alverson, A. J. Diatoms diversify and turn over faster in freshwater than marine environments. Evolution 73, 2497–2511 (2019).PubMed 
    Article 

    Google Scholar 
    Maddison, W. P., Midford, P. E. & Otto, S. P. Estimating a binary character’s effect on speciation and extinction. Syst. Biol. 56, 701–710 (2007).PubMed 
    Article 

    Google Scholar 
    Nelson, D. R. et al. Large-scale genome sequencing reveals the driving forces of viruses in microalgal evolution. Cell Host Microbe 29, 250–266.e8 (2021).CAS 
    PubMed 
    Article 

    Google Scholar 
    Czech, L. & Bremer, E. With a pinch of extra salt—did predatory protists steal genes from their food? PLoS Biol. 16, e2005163 (2018).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Sibbald, S. J., Eme, L., Archibald, J. M. & Roger, A. J. Lateral gene transfer mechanisms and pan-genomes in eukaryotes. Trends Parasitol. 36, 927–941 (2020).CAS 
    PubMed 
    Article 

    Google Scholar 
    Stairs, C. W. et al. Microbial eukaryotes have adapted to hypoxia by horizontal acquisitions of a gene involved in rhodoquinone biosynthesis. eLife 7, e34292 (2018).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Savory, F. R., Milner, D. S., Miles, D. C. & Richards, T. A. Ancestral function and diversification of a horizontally acquired oomycete carboxylic acid transporter. Mol. Biol. Evol. 35, 1887–1900 (2018).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    McDonald, S. M., Plant, J. N. & Worden, A. Z. The mixed lineage nature of nitrogen transport and assimilation in marine eukaryotic phytoplankton: a case study of Micromonas. Mol. Biol. Evol. 27, 2268–2283 (2010).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Walsh, D. A., Lafontaine, J. & Grossart, H. P. in Lateral Gene Transfer in Evolution (ed. Gophna, U.) 55–77 (Springer, 2013).Dorrell, R. G. et al. Phylogenomic fingerprinting of tempo and functions of horizontal gene transfer within ochrophytes. Proc. Natl Acad. Sci. USA 118, e2009974118 (2021).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Gluck-Thaler, E. et al. Giant Starship elements mobilize accessory genes in fungal genomes. Mol. Biol. Evol. 39, msac109 (2022).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Eiler, A. et al. Tuning fresh: radiation through rewiring of central metabolism in streamlined bacteria. ISME J. 10, 1902–1914 (2016).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Urbina, H., Scofield, D. G., Cafaro, M. & Rosling, A. DNA-metabarcoding uncovers the diversity of soil-inhabiting fungi in the tropical island of Puerto Rico. Mycoscience 57, 217–227 (2016).CAS 
    Article 

    Google Scholar 
    Kalsoom Khan, F. et al. Naming the untouchable—environmental sequences and niche partitioning as taxonomical evidence in fungi. IMA Fungus 11, 23 (2020).Peura, S. et al. Ontogenic succession of thermokarst thaw ponds is linked to dissolved organic matter quality and microbial degradation potential. Limnol. Oceanogr. 65, S248–S263 (2020).CAS 
    Article 

    Google Scholar 
    Giner, C. R. et al. Marked changes in diversity and relative activity of picoeukaryotes with depth in the world ocean. ISME J. 14, 437–449 (2020).PubMed 
    Article 

    Google Scholar 
    Jing, H., Zhang, Y., Li, Y., Zhu, W. & Liu, H. Spatial variability of picoeukaryotic communities in the Mariana Trench. Sci Rep. 8, 15357 (2018).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Santos, S. S. et al. Soil DNA extraction procedure influences protist 18S rRNA gene community profiling outcome. Protist 168, 283–293 (2017).CAS 
    PubMed 
    Article 

    Google Scholar 
    Derelle, E. et al. Genome analysis of the smallest free-living eukaryote Ostreococcus tauri unveils many unique features. Proc. Natl Acad. Sci. USA 103, 11647–11652 (2006).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    de Vargas, C. et al. Eukaryotic plankton diversity in the sunlit ocean. Science 348, 1261605 (2015).PubMed 
    Article 
    CAS 

    Google Scholar 
    Cavalier-Smith, T., Lewis, R., Chao, E. E., Oates, B. & Bass, D. Helkesimastix marina n. sp. (Cercozoa: Sainouroidea superfam. n.) a gliding zooflagellate of novel ultrastructure and unusual ciliary behaviour. Protist 160, 452–479 (2009).PubMed 
    Article 

    Google Scholar 
    Schwelm, A., Berney, C., Dixelius, C., Bass, D. & Neuhauser, S. The large subunit rDNA sequence of Plasmodiophora brassicae does not contain intra-species polymorphism. Protist 167, 544–554 (2016).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Heeger, F. et al. Long-read DNA metabarcoding of ribosomal RNA in the analysis of fungi from aquatic environments. Mol. Ecol. Resour. 18, 1500–1514 (2018).CAS 
    PubMed 
    Article 

    Google Scholar 
    Jamy, M. Code for ‘Global patterns and rates of habitat transitions across the eukaryotic tree of life’ v1.0.0. Zenodo https://doi.org/10.5281/zenodo.6656264 (2022).Article 

    Google Scholar 
    Schloss, P. D. et al. Introducing mothur: open-source, platform-independent, community-supported software for describing and comparing microbial communities. Appl. Environ. Microbiol. 75, 7537–7541 (2009).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Callahan, B. J. et al. DADA2: high-resolution sample inference from Illumina amplicon data. Nat. Methods 13, 581–583 (2016).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Rognes, T., Flouri, T., Nichols, B., Quince, C. & Mahé, F. VSEARCH: a versatile open source tool for metagenomics. PeerJ 4, e2584 (2016).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Altschul, S. F., Gish, W., Miller, W., Myers, E. W. & Lipman, D. J. Basic local alignment search tool. J. Mol. Biol. 215, 403–410 (1990).CAS 
    PubMed 
    Article 

    Google Scholar 
    Quast, C. et al. The SILVA ribosomal RNA gene database project: improved data processing and web-based tools. Nucleic Acids Res. 41, D590–D596 (2013).CAS 
    PubMed 
    Article 

    Google Scholar 
    Edgar, R. C., Haas, B. J., Clemente, J. C., Quince, C. & Knight, R. UCHIME improves sensitivity and speed of chimera detection. Bioinformatics 27, 2194–2200 (2011).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Amaral-Zettler, L. A., McCliment, E. A., Ducklow, H. W. & Huse, S. M. A method for studying protistan diversity using massively parallel sequencing of V9 hypervariable regions of small-subunit ribosomal RNA Genes. PLoS ONE 4, e6372 (2009).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Martin, M. Cutadapt removes adapter sequences from high-throughput sequencing reads. EMBnet.journal 17, 10 (2011).Article 

    Google Scholar 
    Adl, S. M. et al. Revisions to the classification, nomenclature, and diversity of eukaryotes. J. Eukaryot. Microbiol. 66, 4–119 (2019).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Guindon, S. et al. New algorithms and methods to estimate maximum-likelihood phylogenies: assessing the performance of PhyML 3.0. Syst. Biol. 59, 307–321 (2010).CAS 
    PubMed 
    Article 

    Google Scholar 
    Stamatakis, A. RAxML version 8: a tool for phylogenetic analysis and post-analysis of large phylogenies. Bioinformatics 30, 1312–1313 (2014).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Stamatakis, A. Phylogenetic models of rate heterogeneity: a high performance computing perspective. In Proc. 20th IEEE International Parallel & Distributed Processing Symposium (IEEE Computer Society, 2006); https://ieeexplore.ieee.org/document/1639535Kozlov, A. M., Darriba, D., Flouri, T., Morel, B. & Stamatakis, A. RAxML-NG: a fast, scalable and user-friendly tool for maximum likelihood phylogenetic inference. Bioinformatics 35, 4453–4455 (2019).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Czech, L., Barbera, P. & Stamatakis, A. Genesis and Gappa: processing, analyzing and visualizing phylogenetic (placement) data. Bioinformatics 36, 3263–3265 (2020).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Katoh, K. & Standley, D. M. MAFFT multiple sequence alignment software version 7: improvements in performance and usability. Mol. Biol. Evol. 30, 772–780 (2013).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Capella-Gutiérrez, S., Silla-Martínez, J. M. & Gabaldón, T. trimAl: a tool for automated alignment trimming in large-scale phylogenetic analyses. Bioinformatics 25, 1972–1973 (2009).PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 
    Mai, U. & Mirarab, S. TreeShrink: fast and accurate detection of outlier long branches in collections of phylogenetic trees. BMC Genomics 19, 23–40 (2018).Article 

    Google Scholar 
    Lemoine, F. et al. Renewing Felsenstein’s phylogenetic bootstrap in the era of big data. Nature 556, 452–456 (2018).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Pattengale, N. D., Alipour, M., Bininda-Emonds, O. R. P., Moret, B. M. E. & Stamatakis, A. How many bootstrap replicates are necessary? J. Comput. Biol. 17, 337–354 (2010).CAS 
    PubMed 
    Article 

    Google Scholar 
    Mahé, F. et al. Parasites dominate hyperdiverse soil protist communities in Neotropical rainforests. Nat. Ecol. Evol. 1, 0091 (2017).Article 

    Google Scholar 
    Eren, A. M. et al. Community-led, integrated, reproducible multi-omics with anvi’o. Nat. Microbiol. 6, 3–6 (2021).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    R Core Team. A Language and Environment for Statistical Computing (R Foundation for Statistical Computing, 2021).Vaulot, D. et al. metaPR2: a database of eukaryotic 18S rRNA metabarcodes with an emphasis on protists. Preprint at bioRxiv https://doi.org/10.1101/2022.02.04.479133 (2022).Sieber, G., Beisser, D., Bock, C. & Boenigk, J. Protistan and fungal diversity in soils and freshwater lakes are substantially different. Sci Rep. 10, 20025 (2020).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Vaulot, D., Geisen, S., Mahé, F. & Bass, D. pr2-primers: an 18S rRNA primer database for protists. Mol. Ecol. Resour. 22, 168–179 (2022).CAS 
    PubMed 
    Article 

    Google Scholar 
    Berger, S. A., Krompass, D. & Stamatakis, A. Performance, accuracy, and Web server for evolutionary placement of short sequence reads under maximum likelihood. Syst. Biol. 60, 291–302 (2011).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Letunic, I. & Bork, P. Interactive tree of life (iTOL) v5: an online tool for phylogenetic tree display and annotation. Nucleic Acids Res. 49, W293–W296 (2021).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Nguyen, L. T., Schmidt, H. A., Von Haeseler, A. & Minh, B. Q. IQ-TREE: a fast and effective stochastic algorithm for estimating maximum-likelihood phylogenies. Mol. Biol. Evol. 32, 268–274 (2015).CAS 
    PubMed 
    Article 

    Google Scholar 
    Lozupone, C. & Knight, R. UniFrac: a new phylogenetic method for comparing microbial communities. Appl. Environ. Microbiol. 71, 8228–8235 (2005).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Meade, A. & Pagel, M. BayesTraits v.3.0.2. Reading Evolutionary Biology Group (2019); http://www.evolution.reading.ac.uk/BayesTraitsV3.0.2/Files/BayesTraitsV3.0.2Manual.pdfPagel, M., Meade, A. & Barker, D. Bayesian estimation of ancestral character states on phylogenies. Syst. Biol. 53, 673–684 (2004).PubMed 
    Article 

    Google Scholar 
    Pagel, M. & Meade, A. Bayesian analysis of correlated evolution of discrete characters by reversible-jump Markov chain Monte Carlo. Am. Nat. 167, 808–825 (2006).PubMed 
    Article 

    Google Scholar 
    Varga, T. et al. Megaphylogeny resolves global patterns of mushroom evolution. Nat. Ecol. Evol. 3, 668–678 (2019).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Xie, W., Lewis, P. O., Fan, Y., Kuo, L. & Chen, M. H. Improving marginal likelihood estimation for Bayesian phylogenetic model selection. Syst. Biol. 60, 150–160 (2011).PubMed 
    Article 

    Google Scholar 
    Pagel, M. & Meade, A. The deep history of the number words. Philos. Trans. R. Soc. B 373, 20160517 (2018).Article 

    Google Scholar 
    Baker, J. & Venditti, C. Rapid change in mammalian eye shape is explained by activity pattern. Curr. Biol. 29, 1082–1088 (2019).CAS 
    PubMed 
    Article 

    Google Scholar 
    Smith, S. A. & O’Meara, B. C. TreePL: divergence time estimation using penalized likelihood for large phylogenies. Bioinformatics 28, 2689–2690 (2012).CAS 
    PubMed 
    Article 

    Google Scholar 
    Shannon, P. et al. Cytoscape: a software environment for integrated models of biomolecular interaction networks. Genome Res. 13, 2498–2504 (2003).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Wickham, H. ggplot2: Elegant Graphics for Data Analysis (Springer, 2016). More

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    Effects of organic fertilizers on growth characteristics and fruit quality in Pear-jujube in the Loess Plateau

    Effect of different organic fertilizers on the growth of Pear-jujubeEffect of different organic fertilizers on the bearing branch length of Pear-jujubeJujube-bearing branch has the dual role of fruiting and photosynthesis32,33. It can be seen from Fig. 1 that different organic fertilizer treatments have a significant impact on the growth of jujube-bearing branches. Among them, the longest jujube-bearing branch in the SC treatment is 20.17 cm, which is significantly higher than that in CK and CF; the jujube-bearing branch length in the SC, SM and BM treatment are increased by 34%, 23% and 25% compared with that in CK, and the difference is significant (P  SM  > SC  > CK. Among them, the density of light of BM is the largest. It reaches 38.06 mol/(m2 d). CF, SC, SM and BM respectively increase by 11.54%, 8.09%, 7.96% and 15.13% compared with CK, and the difference is significant. The canopy transmittance of jujube is BM  CF  > SM  > SC. The highest Tr of BM reaches 8.66 µmol/moL. It may be related to higher LAI, and the instantaneous water use efficiency of SC is highest, which reaches 3.30%. The WUEp of CF, SC, SM and BM treatments increase by 22.4%, 64.2%, 44.3% and 30.8%, respectively, compared with that of CK. It reaches a significant difference level (P  SM  > BM  > CF  > CK. Compared with CK (9.37%), the SC, SM, BM, and CF increased by 3.69, 3.18, 1.11 and 0.40% points, respectively. Organic fertilizer is beneficial to increase the water content of the soil. Among them, soybean cake fertilizer (SC) has the largest increase, which is significantly different from CK (P  SM  > SC  > CF  > CK. The RWC of BM reaches 94.20%, which is significantly different from CK (P  SM  > BM  > CK. The total flavonoid content of SC reaches 14.35 mg/kg, which is 24.57% higher than that of CK. The total flavonoid content of SM and BM increase by 17.01% and 9.2%, respectively, compared with that of CK. Moreover, each treatment is significantly different from CK (P  More

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    Proximity to small-scale inland and coastal fisheries is associated with improved income and food security

    Study designWe used a food systems framing to conceptually position our research to investigate how small-scale fisheries shape two key aspects of food environments – physical access to food via living in proximity to small-scale fisheries (fish as food pathway), and economic access to food via small-scale fisheries livelihoods (fish as income pathway).We examined food system components of supply chains (small-scale fisheries livelihoods related to harvesting, processing and trade), food environments (proximity to small-scale fisheries and livelihoods), income poverty status, and household diets (fish consumption and annual food security) (Supplementary Fig 7)40,41. Small-scale fisheries are notably recognised for their safety net function during times of shocks and extreme events, increasing the ability of households to recover, exit poverty and afford food over the longer-term42.Country selection and household survey dataWe selected Malawi, Tanzania and Uganda, given these countries represent a region where small-scale fisheries provides the main supply of fish and are important for rural inland and coastal livelihoods24,43, and yet substantial data gaps remain in valuing small-scale fisheries in the regional food system. Small-scale fisheries, particularly inland fisheries, in this region are known to be highly productive with a linear increasing trend in catches over the last three decades25,35. On average 70% of the total catches consist of small pelagic species, which are largely driven by climate, and are highly productive, resilient, and under-exploited34. However, challenges do exist in fisheries governance and signs of over-exploitation of some few fish stocks44, as well as high post-harvest fish waste and loss across value-chains undermine the potential benefits from the sector23. We analysed the World Bank’s Living Standards Measurement Surveys and its Integrated Surveys on Agriculture (LSMS-ISA) from Malawi, Tanzania and Uganda. The LSMS-ISA surveys conducted in these countries collected georeferenced household-level data and had been designed and implemented with a dedicated fishery module39 which contained questions on household fish consumption (frequency, quantity, and form of fresh or dried fish) and small-scale fisheries livelihoods across value chains (harvesting, processing and trading). The fishery module was collected across different years in Malawi (2016–17), Tanzania (2014–15) and Uganda (2010–11), and accordingly these are the years analysed in this study. The LSMS-ISA surveys collects consumption data over a period of 12 months so that the indicator captures the intrinsic variability due to seasonality, such as low and high periods of food consumption.Geospatial data and distance to fishing groundsGeoreferenced household data from LSMS-ISA surveys were matched with geospatial data on the location of inland water bodies and coastlines (Supplementary Table 11) to investigate geographic correlates (e.g., distance to fishing grounds – water bodies where fisheries occur) of poverty and food security. Data on inland water bodies were from the Global Lakes and Wetlands Database (GLWD)45, and the European Space Agency GlobCover databases for coastlines46. Inland water bodies from the GLWD database include permanent, open water bodies (e.g., lakes, reservoirs, rivers) with a surface area ≥0.1 km2 for each country, including cross-border water bodies. We selected water bodies to represent types of water bodies known to support fisheries, based on catch data24,43. We assume the entire coastline of Tanzania was accessible and used for marine small-scale fisheries. We use the term ‘water body’ to mean either freshwater or marine waters.Distance between water bodies and households was calculated as the shortest, straight line, distance from the household location (identified through the GPS coordinates of the households) to any point of the nearest water body. The distance was expressed in km.In our descriptive statistics, a cut-off threshold of 5 km from fishing grounds was used to compare the key indicators presented in this study (e.g., percent of poor and food insecure households, frequency and quantity of fish consumption, etc), for households proximate and distant (≤5 km was considered close and >5 km was considered far) from fished water bodies, as well as between fishing and non-fishing households. The choice of the cut-off threshold used for our descriptive statistics was guided by other studies16,17, in addition to reflecting the distribution of households by quintile of distance to water bodies. Concerning the latter, we found that the average distance from fishing ground of the first quintile was always lower than 5 km in all countries.In the regression analyses, the distance to water bodies was included as a continuous variable (in km). This choice reflects the need to better understand dynamics for households that tend to live more distant from fishing grounds. These dynamics were captured by measuring the marginal increase in the probability of being poor or food insecure for a one-unit increase (1 km) from the mean distance to fishing grounds.We acknowledge two limitations behind the calculation of the straight-line distance to water bodies. First, using the straight-line distance to water bodies may introduce biases in the statistical analyses presented, especially for households located in any particular landscapes within the country. The walking or travel time distance over a road network would provide a better alternative, however there is lack of data on road networks. Despite the straight-line distance to water bodies encompasses some limitations, we still believe that this method of calculation provides a good proxy to categorize household in relation to their distance to water bodies, and the results from the analyses should not deviate substantially from other method of calculation. For example, a study51 found that the straight-line distance tends to be highly correlated (R  > 0.91) with both walking and travel time distance.Second, an additional bias in the presented analyses may be introduced due to the modification strategy of the households GPS coordinates. This strategy was implemented before dissemination of household level data to avoid the risk of disclosure of sampled households. In its essence, the modification strategy relies on random offset of cluster center-point within a specified range. For urban areas a range of 0–2 km is used. In rural areas, where risk of disclosure may be higher due to more dispersed communities, a range of 0–5 km offset was used. While we had no control over this modification strategy, we believe that the modification of the GPS coordinates does not affect the way households are classified in relation to their distance to fishing grounds: considering that the modification strategy was applied to both distant and proximate households, we expect that the distribution between households close and distant to water bodies has remained unchanged and, hence, the presented statistics are still valid for the analysis.Variable constructionWe used a range of socio-economic indicators across food system components (Supplementary Table 11). As a measure of physical and economic access to food we used two indicators of small-scale fisheries: proximity to fishing grounds and fishing households. Household livelihoods were assigned according to whether households primarily, but not exclusively, engaged in small-scale fisheries (fishing, harvesting, processing and/or trading which varied by survey), agriculture (e.g., crop or livestock), or neither fisheries or agriculture. For each country survey, households were categorised according to their engagement in fishing and/or agriculture activities in the prior 12 months. Households in which one or more member engaged in fish-related activities were defined as ‘fishing households’. Fish-related livelihood activities were defined as fish harvesting, processing, and trading in Malawi and Tanzania, whilst in Uganda they were defined only as fishing. Households with one or more member engaged in agriculture, but not in fish-related activities, were defined as ‘agriculture households’. Through data exploration of livelihood categories, we found that 96% of all fishing households in our study combine fish-related and agricultural activities, with only 4% engaging exclusively in small-scale fisheries. Examination of diverse livelihood typologies within fishing household category (e.g., fisher-farmer, which is common in the region or exclusive fisher) was deemed out of the scope of this study and not feasible due to the small number of observations of exclusive fishers.Household poverty was measured using the per-capita monthly expenditure (equivalized using the adult equivalent scale). Poor households were defined as those households with a per-capita monthly expenditure below the national poverty line. The national poverty line –which was defined by national authorities in the three countries analysed–is a country-specific monetary threshold below which a household (and its members) cannot meet their basic needs. The poverty metric, as defined above, was used across physical, natural and human capital: asset wealth, distance to markets, access to land and education level of head of household. Since the asset wealth captures the typologies and number of assets owned by the household (durable goods – radio, bicycle, TV; utilities and infrastructure – access to protected water source and electricity), we developed an index for assets using the principal component analysis. This technique reduced the multi-dimensionality of the asset’s variables, and it allowed the data to identify the linear combinations of the assets components that explain the greatest share of the variation in wealth. As the final wealth index was standardised across households, this index allowed providing a ranking of households which reflected their ownership of assets.Food security was measured using two indicators; household-level food consumption profile – using the Food Consumption Score (FCS) index20, and subjective food insecurity defined as the number of months during a year that a household reported not having enough food to feed the household. Together, these indicators provide a more comprehensive understanding of household food security over a longer period than other surveys (e.g. Demographic and Health)47,48,49. The LSMS-ISA surveys collects food consumption data over a 7-day recall period. To capture seasonal variation in the food consumption indicators, sampled households were interviewed over a 12-month period: for each month of the year, a different portion of sampled households was interviewed so that the derived indicators reflect the intrinsic variability in food consumption, which may be due to seasonality. We used the FCS index as a food security indicator as it is akin to the data collected via the LSMS-ISA surveys, and that there was a need for comparison across select countries. The FCS index measures the frequency (number of days) and diversity of food groups consumed over a 7-day recall period, with weights given to groups based on nutritional value. The FCS index is validated as a proxy for energy sufficiency (quantity of food) and food access, and is associated with other household-level diet diversity measures (e.g. household dietary diversity score (HDDS))20,48. The difference between FCS and other indicators such as HDDS is the recall period (7-days versus 24 h), diversity of groups, weights assigned based on nutrition, and use of frequency together with diversity of groups consumed. The FCS with a longer recall period can show more habitual consumption but can also have limitations with people’s recall reliability. Although it has not been validated yet as an indicator for micronutrient intake, it does provide weights to nutrient-rich food groups and accounts for frequency of consumption, which other indicators do not. Fish consumption was described in terms of the (i) quantity (kg of wet weight equivalent per household per week), (ii) form (fresh, dried, smoked, other) and (iii) source (purchased, own consumption, gift) of fish consumed. The share of households reporting consumption of other animal source foods was also calculated to examine the relative role of fish in overall diets.We also examined the prices of foods consumed to investigate the accessibility of fish as food in terms of affordability compared to animal source foods. The LSMS-ISA survey collects data on the value and volume of food that were purchased and consumed. Those two variables were further used to construct the average price for each food item. To control for price level differences between countries, food prices data calculated from the survey were converted from local currency unit to international USD, using the Purchase power parity conversion factor corresponding to the year of the survey (Source: World Development Indicators database, World Bank). Moreover, since the surveys were conducted in different years, nominal prices corresponding to the years of the surveys were converted into real, inflation-adjusted prices using the Consumer Price Index (CPI, base year: 2010). This allowed to control for potential inflation patterns within countries and provide a better comparison of food prices per Kg. across the three countries analyzed (Source: World Development Indicators database, World Bank).Finally, we drew upon nutritional databases (food composition tables, FishBase and Illuminating Hidden Harvest Initiative) to understand the relative nutritional value of fish; by species, size (small or large) and form (e.g., fresh or dried), compared to other animal source foods (Supplementary Table 12). This enables us to contextualise the nutritional importance of consumption patterns.Descriptive statisticsWe created a harmonized multi-country dataset for Malawi, Tanzania and Uganda with 18,715 nationally representative household-level observations. The sample included in this study represents more than 19 million households corresponding to a population of 93.8 million people across the three countries (Supplementary Information).Descriptive statistics were calculated to compare poverty and food security indicators among households proximate and distant from fished water bodies, and between fishing and non-fishing households (see full details in Supplementary Information). For this analysis, households distant and proximate from fished water bodies were clustered into two groups based on a cut-off threshold of 5 km (distant  > 5 km; proximate ≤5 km). The Welch’s t-test was then used throughout to assess the statistical significance of mean statistics between these two groups.Econometric modelThe estimated probabilities of being poor (household living below the national poverty line) and food insecure (household with a poor food consumption profile) were modelled through two separate probit regression models, where the outcome variable was equal to 1 for poor and food insecure households and 0 otherwise. The independent variables in both models included the household’s distance to water bodies and the distance to food market. Both variables are expressed as continuous variables (in km), reflecting the need to measure the marginal increase in the probability of being poor or food insecure (i.e., the estimated β coefficients) given a one-unit change (1 km) in the distance to fishing ground (or food markets) from its mean. Both models also included an interaction variable which measured the household’s distance to water bodies but restricted to only those households who were unable to reach the food market. We tested this interaction as we expected that living in proximity to water bodies could mitigate the negative effects on poverty and food insecurity when households are unable to access food markets. In order to measure the conditional difference in the average probability to be poor and food insecure between households who engaged in fisheries and households who engaged in other non-fishing activities, we constructed a categorical variable that classified households according to their main livelihood activity, namely (1) neither fishing, nor agriculture households (i.e., the reference baseline household category), (2) fishing households and (3) agriculture households. This categorical variable was further restricted to only households living in proximity to water bodies to better measure for which typology of household the proximity to fishing grounds is most beneficial. Both models were controlled for the age, sex and the highest level of education attained by the head of the household, as well as the total number of household members employed (over total household members) and the wealth index of the household.For each model (poverty and food insecurity), we examined associations at the cross-country, national and rural levels (Tables 1 and 2, also available as Supplementary Data 1 and 2). Stata 15 was used for all statistical analyses. Both descriptive statistics and the regression coefficients were estimated using the household probability weight, the latter instrumental to make the derived indicators from the surveys representative of the population of interest thus allowing general inference for the three countries.Reporting summaryFurther information on research design is available in the Nature Research Reporting Summary linked to this article. More

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    Seedling ectomycorrhization is central to conifer forest restoration: a case study from Kashmir Himalaya

    Curtis, P. G., Slay, C. M., Harris, N. L., Tyukavina, A. & Hansen, M. C. Classifying drivers of global forest loss. Science 361, 1108–1111 (2018).ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 
    Watson, J. E. et al. The exceptional value of intact forest ecosystems. Nat. Ecol. Evol. 4, 599–610 (2018).Article 

    Google Scholar 
    Verdone, M. & Seidl, A. Time, space, place, and the Bonn Challenge global forest restoration target. Restor. Ecol. 25, 903–911 (2017).Article 

    Google Scholar 
    Bastin, J. F. et al. The global tree restoration potential. Science 365, 76–79 (2019).ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 
    Stanturf, J. A., Palik, B. J. & Dumroese, R. K. Contemporary forest restoration: A review emphasizing function. For. Ecol. Manag. 331, 292–323 (2014).Article 

    Google Scholar 
    Wang, J. et al. Use of direct seeding and seedling planting to restore Korean pine (Pinus koraiensis Sieb. Et Zucc.) in secondary forests of Northeast China. For. Ecol. Manag. 493, 119243 (2021).Article 

    Google Scholar 
    Han, A. R., Kim, H. J., Jung, J. B. & Park, P. S. Seed germination and initial seedling survival of the subalpine tree species, Picea jezoensis, on different forest floor substrates under elevated temperature. For. Ecol. Manag. 429, 579–588 (2018).Article 

    Google Scholar 
    Thomas, E. et al. Genetic considerations in ecosystem restoration using native tree species. For. Ecol. Manag. 333, 66–75 (2014).Article 

    Google Scholar 
    Hawkins, B. J., Jones, M. D. & Kranabetter, J. M. Ectomycorrhizae and tree seedling nitrogen nutrition in forest restoration. New For. 46, 747–771 (2015).Article 

    Google Scholar 
    Perry, D. A., Molina, R. & Amaranthus, M. P. Mycorrhizae, mycorrhizospheres, and reforestation: Current knowledge and research needs. Can. J. For. Res. 17, 929–940 (1987).Article 

    Google Scholar 
    Duñabeitia, M. K. et al. Differential responses of three fungal species to environmental factors and their role in the mycorrhization of Pinus radiata D. Don. Mycorrhiza 14, 11–18 (2004).PubMed 
    Article 

    Google Scholar 
    Rincón, A., De Felipe, M. R. & Fernández-Pascual, M. Inoculation of Pinus halepensis Mill. with selected ectomycorrhizal fungi improves seedling establishment 2 years after planting in a degraded gypsum soil. Mycorrhiza 18, 23–32 (2007).PubMed 
    Article 

    Google Scholar 
    Sanchez-Zabala, J. et al. Physiological aspects underlying the improved outplanting performance of Pinus pinaster Ait. seedlings associated with ectomycorrhizal inoculation. Mycorrhiza 23, 627–640 (2013).CAS 
    PubMed 
    Article 

    Google Scholar 
    Sousa, N. R., Franco, A. R., Oliveira, R. S. & Castro, P. M. Reclamation of an abandoned burned forest using ectomycorrhizal inoculated Quercus rubra. For. Ecol. Manag. 320, 50–55 (2014).Article 

    Google Scholar 
    Policelli, N., Horton, T. R., Hudon, A. T., Patterson, T. & Bhatnagar, J. M. Back to roots: The role of ectomycorrhizal fungi in boreal and temperate forest restoration. Front. For. Glob. Change 3, 97 (2020).Article 

    Google Scholar 
    Jones, M. D., Durall, D. M. & Cairney, J. W. G. Ectomycorrhizal fungal communities in young forest stands regenerating after clearcut logging. New Phytol. 157, 399–422 (2003).PubMed 
    Article 

    Google Scholar 
    Policelli, N., Bruns, T. D., Vilgalys, R. & Nuñez, M. A. Suilloid fungi as global drivers of pine invasions. New Phytol. 222, 714–725 (2019).PubMed 
    Article 

    Google Scholar 
    Visser, S. Ectomycorrhizal fungal succession in jack pine stands following wildfire. New Phytol. 129, 389–401 (1995).Article 

    Google Scholar 
    Nuñez, M. A., Horton, T. R. & Simberloff, D. Lack of belowground mutualisms hinders pinaceae invasions. Ecology 90, 2352–2359 (2009).PubMed 
    Article 

    Google Scholar 
    Pec, G. J., Simard, S. W., Cahill, J. F. & Karst, J. The effects of ectomycorrhizal fungal networks on seedling establishment are contingent on species and severity of overstorey mortality. Mycorrhiza 130, 173–183 (2020).Article 

    Google Scholar 
    Grossnickle, S. C. & Reid, C. P. P. The use of ectomycorrhizal conifer seedlings in the revegetation of a high-elevation mine site. Can. J. For. Res. 12, 354–361 (1982).Article 

    Google Scholar 
    Teste, F. P., Schmidt, M. G., Berch, S. M., Bulmer, C. & Egger, K. N. Effects of ectomycorrhizal inoculants on survival and growth of interior Douglas-fir seedlings on reforestation sites and partially rehabilitated landings. Can. J. For. Res. 34, 2074–2088 (2004).Article 

    Google Scholar 
    Trappe, J. M. Selection of fungi for ectomycorrhizal inoculation in nurseries. Annu. Rev. Phytopathol. 15, 203–222 (1977).Article 

    Google Scholar 
    van der Linde, S. et al. Environment and host as large-scale controls of ectomycorrhizal fungi. Nature 558, 243–248 (2018).ADS 
    PubMed 
    Article 
    CAS 

    Google Scholar 
    Finlay, R. D., Frostegård, Å. & Sonnerfeldt, A. M. Utilization of organic and inorganic nitrogen sources by ectomycorrhizal fungi in pure culture and in symbiosis with Pinus contorta Dougl ex. Loud. New Phytol. 120, 105–115 (1992).Article 

    Google Scholar 
    Keller, G. Utilization of inorganic and organic nitrogen sources by high-subalpine ectomycorrhizal fungi of Pinus cembra in pure culture. Mycol. Res. 100, 989–998 (1996).ADS 
    CAS 
    Article 

    Google Scholar 
    Hatakeyama, T. & Ohmasa, M. Mycelial growth of strains of the genera Suillus and Boletinus in media with a wide range of concentrations of carbon and nitrogen sources. Mycoscience 45, 169–176 (2004).CAS 
    Article 

    Google Scholar 
    Itoo, Z. A. & Reshi, Z. A. Effect of different nitrogen and carbon sources and concentrations on the mycelial growth of ectomycorrhizal fungi under in-vitro conditions. Scand. J. For. Res. 29, 619–628 (2014).Article 

    Google Scholar 
    Lazarević, J., Stojičić, D. & Keča, N. Effects of temperature, pH and carbon and nitrogen sources on growth of in vitro cultures of ectomycorrhizal isolates from Pinus heldreichii forest. For. Syst. 25, 3 (2016).
    Google Scholar 
    Valdés, R. C., Villarreal, R. M., García, F. G., Morales, S. G. & Peña, S. S. Improved parameters of Pinus greggii seedling growth and health after inoculation with ectomycorrhizal fungi. South. For. 81, 23–30 (2019).Article 

    Google Scholar 
    Daza, A. et al. Effect of carbon and nitrogen sources, pH and temperature on in vitro culture of several isolates of Amanita caesarea (Scop.: Fr.) Pers. Mycorrhiza 16, 133–136 (2006).CAS 
    PubMed 
    Article 

    Google Scholar 
    Wani, A. A., Joshi, P. K., Singh, O. & Shafi, S. Multi-temporal forest cover dynamics in Kashmir Himalayan region for assessing deforestation and forest degradation in the context of REDD+ policy. J. Mt. Sci. 13, 1431–1441 (2016).Article 

    Google Scholar 
    Chung, H. C., Kim, D. H. & Lee, S. S. Mycorrhizal formations and seedling growth of Pinus desiflora by in vitro synthesis with the inoculation of ectomycorrhizal fungi. Mycobiology 30, 70–75 (2002).Article 

    Google Scholar 
    Barroetaveña, C., Cázares, E. & Rajchenberg, M. Ectomycorrhizal fungi associated with ponderosa pine and Douglas-fir: A comparison of species richness in native western North American forests and Patagonian plantations from Argentina. Mycorrhiza 17, 355–373 (2007).PubMed 
    Article 

    Google Scholar 
    Ekwebelam, S. A. Effect of mycorrhizal fungi on the growth and yield of Pinus oocarpa and Pinus caribaea var. bahamensis seedlings. E. Afr. Agric. For. J. 45, 290–295 (1980).
    Google Scholar 
    Kasuya, M. C. M. & Igarashi, T. In vitro ectomycorrhizal formation in Picea glehnii seedlings. Mycorrhiza 6, 451–454 (1996).Article 

    Google Scholar 
    Wang, E. J., Jeon, S. M., Jang, Y. & Ka, K. H. Mycelial growth of edible ectomycorrhizal fungi according to nitrogen sources. Korean J. Mycol. 44, 166–170 (2016).CAS 

    Google Scholar 
    Dar, A. R. & Dar, G. H. Taxonomic appraisal of conifers of Kashmir Himalaya. Pak. J. Biol. Sci. 9, 859–867 (2006).Article 

    Google Scholar 
    Adeleke, R. A., Nunthkumar, B., Roopnarain, A. & Obi, L. Applications of plant-microbe interactions in agro-ecosystems. In Microbiome in Plant Health and Disease 1–34 (Springer, 2019).
    Google Scholar 
    Yamanaka, T. Utilization of inorganic and organic nitrogen in pure cultures by saprotrophic and ectomycorrhizal fungi producing sporophores on urea-treated forest floor. Mycol. Res. 103, 811–816 (1999).CAS 
    Article 

    Google Scholar 
    Berredjem, A., Garnier, A., Putra, D. P. & Botton, B. Effect of nitrogen and carbon sources on growth and activities of NAD and NADP dependent isocitrate dehydrogenases of Laccaria bicolor. Mycol. Res. 102, 427–434 (1998).CAS 
    Article 

    Google Scholar 
    Cairney, J. W. G. Intra-specific physiological variation: implications for understanding functional diversity in ectomycorrhizal fungi. Mycorrhiza 9, 125–135 (1999).Article 

    Google Scholar 
    France, R. C. & Reid, C. P. P. Pure culture growth of ectomycorrhizal fungi on inorganic nitrogen sources. Microb. Ecol. 10, 187–195 (1984).CAS 
    PubMed 
    Article 

    Google Scholar 
    Kibar, B. & Peksen, A. Nutritional and environmental requirements for vegetative growth of edible ectomycorrhizal mushroom Tricholoma terreum. Zemdirb. Agric. 4, 409–414 (2011).
    Google Scholar 
    Nygren, C. M. R. et al. Growth on nitrate and occurrence of nitrate reductase encoding genes in a phylogenetically diverse range of ectomycorrhizal fungi. New Phytol. 180, 875–889 (2008).CAS 
    PubMed 
    Article 

    Google Scholar 
    Rangel-Castro, I. J., Danell, E. & Taylor, A. F. Use of different nitrogen sources by the edible ectomycorrhizal mushroom Cantharellus cibarius. Mycorrhiza 12, 131–137 (2002).CAS 
    PubMed 
    Article 

    Google Scholar 
    Jenkins, M. L., Cripps, C. L. & Gains-Germain, L. Scorched Earth: Suillus colonization of Pinus albicaulis seedlings planted in wildfire-impacted soil affects seedling biomass, foliar nutrient content, and isotope signatures. Plant Soil 425, 113–131 (2018).CAS 
    Article 

    Google Scholar 
    Taudière, A., Richard, F. & Carcaillet, C. Review on fire effects on ectomycorrhizal symbiosis, an unachieved work for a scalding topic. For. Ecol. Manag. 391, 446–457 (2017).Article 

    Google Scholar 
    Bigelow, H. E. & Smith, A. H. The status of Lepista: A new section of Clitocybe. Brittonia 21, 144–177 (1969).Article 

    Google Scholar 
    Kuo, M. Clitocybe Nuda. Retrieved from MushroomExpert.Com. http://www.mushroomexpert.com/clitocybe_nuda.html (2010).Mycobank. www.mycobank.org. Accessed on Jan 28, 2020. (2020).Peck, C. H. Report of the Botanist 1869. Annu. Rep. N.Y. State Mus. Nat. Hist. 23, 27–135 (1873).
    Google Scholar 
    Kuo, M. Cortinarius Distans. Retrieved from MushroomExpert.Com. http://www.mushroomexpert.com/cortinarius_distans.html (2011).Losinger, W. C. Germination and Growth of Some Ectomycorrhizal Basidiomycetes in Culture. Doctoral dissertation, Kalamazoo College (1980).Norvell, L. L. & Exeter, R. L. Ectomycorrhizal epigeous basidiomycete diversity in Oregon Coast Range Pseudotsuga menziesii forests-preliminary observations. Memoirs 89, 159–190 (2004).
    Google Scholar  More

  • in

    Author Correction: Mapping peat thickness and carbon stocks of the central Congo Basin using field data

    School of Geography, University of Leeds, Leeds, UKBart Crezee, Greta C. Dargie, Timothy R. Baker, Andy J. Baird, Paul J. Morris & Simon L. LewisFaculté de Gestion des Ressources Naturelles Renouvelables, Université de Kisangani, Kisangani, Democratic Republic of the CongoCorneille E. N. Ewango & Joseph Kanyama T.Faculté des Sciences, Université de Kisangani, Kisangani, Democratic Republic of the CongoCorneille E. N. Ewango & Jean-Bosco N. NdjangoSchool of GeoSciences, University of Edinburgh, Edinburgh, UKEdward T. A. MitchardDépartement de Biologie, Géographie et Gestion de l’environnement, Institut Supérieur Pédagogique de Mbandaka, Mbandaka, Democratic Republic of the CongoOvide Emba B. & Pierre BolaSchool of Water, Energy and Environment, Cranfield University, Cranfield, UKNicholas T. GirkinLaboratoire de Botanique et Ecologie, Faculté des Sciences et Techniques, Université Marien Ngouabi, Brazzaville, Republic of the CongoYannick E. BockoÉcole Normale Supérieure, Département des Sciences et Vie de la Terre, Laboratoire de Télédétection et d’Ecologie Forestière, Université Marien Ngouabi, Brazzaville, Republic of the CongoSuspense A. IfoDepartment of Environment, Laboratory of Wood Technology, Ghent University, Ghent, BelgiumWannes HubauService of Wood Biology, Royal Museum for Central Africa, Tervuren, BelgiumWannes HubauDepartment of Archaeology, Ghent University, Ghent, BelgiumDirk SeidenstickerDépartement des Sciences de l’Environnement, Université du Cinquantenaire de Lwiro, Kabare, Democratic Republic of the CongoRodrigue BatumikeDépartement de Biologie, Université Officielle de Bukavu, Bukavu, Democratic Republic of the CongoGérard ImaniDepartment of Environment and Geography, University of York, York, UKAida Cuní-SanchezDepartment of International Environmental and Development Studies (NORAGRIC), Norwegian University of Life Sciences, Ås, NorwayAida Cuní-SanchezInstitute for the Advanced Study of Culture and the Environment, University of South Florida, Tampa, FL, USAChristopher A. KiahtipesInstitute of Prehistoric Archaeology, University of Cologne, Köln, GermanyJudicaël Lebamba & Hans-Peter WotzkaDépartement de Biologie, Université des Sciences et Techniques de Masuku, Franceville, GabonJudicaël LebambaSchool of Geography, Geology and the Environment, University of Leicester, Leicester, UKHollie Bean, Arnoud Boom & Susan E. PageSchool of Geography and Sustainable Development, University of St Andrews, St Andrews, UKIan T. LawsonDepartment of Geography, University College London, London, UKSimon L. Lewis More

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    The role of gene expression and symbiosis in reef-building coral acquired heat tolerance

    Larvae display conserved gene expression response to heat stressLarval gene expression (GE) was quantified to assess if plastic responses in gene expression to heat stress varied depending on site of origin or parental identity. Larval survival under heat stress varied between crosses, with larvae produced from dams sourced from far Northern GBR sites exhibiting higher thermal tolerance (Fig. 1b). The cross with the lowest thermal tolerance (LSxSB) did not have any larvae survive the heat treatment (Fig. 1b, Supplementary Fig. 2). GE was examined in aposymbiotic larvae experiencing ambient conditions prior to the heat treatment (“pre”), larvae after exposure to simulated heat stress (35.5 °C for 56 hours, “post heat”), and a simultaneous control temperature of 27 °C (“post ambient”). Therefore, the “pre” larval treatment provided transcriptomic baselines of GE between genetic crosses while “post heat” and “post ambient” comparisons show a baseline for cross-specific heat responses without the confounding effect of symbiosis found in the post-metamorphic phase. Using a principal coordinates analysis (PCoA), we find that GE patterns in larvae were driven by treatment (“pre”, “post ambient”, “post heat”), explaining 29.2% of the variation in survival (padonis  More

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    Linking personality traits and reproductive success in common marmoset (Callithrix jacchus)

    Réale, D., Reader, S. M., Sol, D., McDougall, P. T. & Dingemanse, N. J. Integrating animal temperament within ecology and evolution. Biol. Rev. 82, 291–318 (2007).PubMed 
    Article 

    Google Scholar 
    Smith, B. R. & Blumstein, D. T. Fitness consequences of personality: A meta-analysis. Behav. Ecol. 19, 448–455 (2008).Article 

    Google Scholar 
    Gasparini, C., Speechley, E. M. & Polverino, G. The bold and the sperm: Positive association between boldness and sperm number in the guppy. R. Soc. Open Sci. 6, 190474 (2019).ADS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Jokela, M., Alvergne, A., Pollet, T. V. & Lummaa, V. Reproductive behavior and personality traits of the five factor model. Eur. J. Pers. 25, 487–500 (2011).Article 

    Google Scholar 
    Schuett, W., Dall, S. R. X. & Royle, N. J. Pairs of zebra finches with similar ‘personalities’ make better parents. Anim. Behav. 81, 609–618 (2011).Article 

    Google Scholar 
    Vetter, S. G. et al. Shy is sometimes better: Personality and juvenile body mass affect adult reproductive success in wild boars, Sus scrofa. Anim. Behav. 115, 193–205 (2016).Article 

    Google Scholar 
    Weiss, A. Personality traits: A view from the animal kingdom. J. Pers. 86, 12–22 (2018).PubMed 
    Article 

    Google Scholar 
    Bergmüller, R. & Taborsky, M. Animal personality due to social niche specialisation. Trends Ecol. Evol. 25, 504–511 (2010).PubMed 
    Article 

    Google Scholar 
    Montiglio, P. O., Wey, T. W., Chang, A. T., Fogarty, S. & Sih, A. Correlational selection on personality and social plasticity: Morphology and social context determine behavioural effects on mating success. J. Anim. Ecol. 86, 213–226 (2017).PubMed 
    Article 

    Google Scholar 
    Wolf, M. & McNamara, J. M. On the evolution of personalities via frequency-dependent selection. Am. Nat. 179, 679–692 (2012).PubMed 
    Article 

    Google Scholar 
    Munson, A. A., Jones, C., Schraft, H. & Sih, A. You’re just my type: Mate choice and behavioral types. Trends Ecol. Evol. 35, 823–833 (2020).PubMed 
    Article 

    Google Scholar 
    Muller, H. & Chittka, L. Animal personalities: The advantage of diversity. Curr. Biol. 18, 961–963 (2008).Article 
    CAS 

    Google Scholar 
    Biro, P. A. & Stamps, J. A. Are animal personality traits linked to life-history productivity?. Trends Ecol. Evol. 23, 361–368 (2008).PubMed 
    Article 

    Google Scholar 
    Dingemanse, N. J., Both, C., Drent, P. J. & Tinbergen, J. M. Fitness consequences of avian personalities in a fluctuating environment. Proc. R. Soc. B 271, 847–852 (2004).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Boon, A. K., Réale, D. & Boutin, S. The interaction between personality, offspring fitness and food abundance in North American red squirrels. Ecol. Lett. 10, 1094–1104 (2007).PubMed 
    Article 

    Google Scholar 
    Nicolaus, M., Tinbergen, J. M., Ubels, R., Both, C. & Dingemanse, N. J. Density fluctuations represent a key process maintaining personality variation in a wild passerine bird. Ecol. Lett. 19, 478–486 (2016).PubMed 
    Article 

    Google Scholar 
    Altschul, D. M. et al. Personality links with lifespan in chimpanzees. eLife 7, e33781 (2018).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Réale, D., Martin, J., Coltman, D. W., Poissant, J. & Festa-Bianchet, M. Male personality, life-history strategies and reproductive success in a promiscuous mammal. J. Evol. Biol. 22, 1599–1607 (2009).PubMed 
    Article 

    Google Scholar 
    Brent, L. J. N. et al. Personality traits in rhesus macaques (Macaca mulatta) are heritable but do not predict reproductive output. Int. J. Primatol. 35, 188–209 (2014).PubMed 
    Article 

    Google Scholar 
    Rangassamy, M., Dalmas, M., Féron, C., Gouat, P. & Rödel, H. G. Similarity of personalities speeds up reproduction in pairs of a monogamous rodent. Anim. Behav. 103, 7–15 (2015).Article 

    Google Scholar 
    Schuett, W., Tregenza, T. & Dall, S. R. X. Sexual selection and animal personality. Biol. Rev. 85, 217–246 (2010).PubMed 
    Article 

    Google Scholar 
    Carlstead, K., Fraser, J., Bennett, C. & Kleiman, D. G. Black rhinoceros (Diceros bicornis) in US zoos: II. Behavior, breeding success, and mortality in relation to housing facilities. Zoo Biol. 18, 35–52 (1999).Article 

    Google Scholar 
    Martin-Wintle, M. S. et al. Do opposites attract? Effects of personality matching in breeding pairs of captive giant pandas on reproductive success. Biol. Conserv. 207, 27–37 (2017).Article 

    Google Scholar 
    Fox, R. A. & Millam, J. R. Personality traits of pair members predict pair compatibility and reproductive success in a socially monogamous parrot breeding in captivity. Zoo Biol. 33, 166–172 (2014).PubMed 
    Article 

    Google Scholar 
    Choi, S., Grocutt, E., Erlandsson, R. & Angerbjörn, A. Parent personality is linked to juvenile mortality and stress behavior in the arctic fox (Vulpes lagopus). Behav. Ecol. Sociobiol. 73, 162 (2019).Article 

    Google Scholar 
    Kappeler, P. M. & van Schaik, C. P. Evolution of primate social systems. Int. J. Primatol. 23, 707–740 (2002).Article 

    Google Scholar 
    Tardif, S. D. et al. Reproduction in captive common marmosets (Callithrix jacchus). Comp. Med. 53, 364–368 (2003).CAS 
    PubMed 

    Google Scholar 
    Marini, R., Wachtman, L., Tardif, S., Mansfield, K. & Fox, J. The Common Marmoset in Captivity and Biomedical Research (Academic Press, 2019). https://doi.org/10.1016/C2016-0-00861-6.Book 

    Google Scholar 
    Arruda, M. D. F., Yamamoto, M. E., Pessoa, D. M. A. & Araujo, A. Taxonomy and Natural History. In The Common Marmoset in Captivity and Biomedical Research (eds Marini, R. et al.) 3–15 (Academic Press, 2019). https://doi.org/10.1016/B978-0-12-811829-0.00001-7.Chapter 

    Google Scholar 
    Buchanan-Smith, H. M. Marmosets and tamarins. In The UFAW Handbook on the Care and Management of Laboratory and Other Research Animals (eds Hubrecht, R. & Kirkwood, J.) (Wiley-Blackwell, 2010). https://doi.org/10.1002/9781444318777.ch36.Chapter 

    Google Scholar 
    Smucny, D. A. et al. Reproductive output, maternal age, and survivorship in captive common marmoset females (Callithrix jacchus). Am. J. Primatol. 64, 107–121 (2004).PubMed 
    Article 

    Google Scholar 
    Ash, H. & Buchanan-Smith, H. M. Long-term data on reproductive output and longevity in captive female common marmosets (Callithrix jacchus). Am. J. Primatol. 76, 1062–1073 (2014).PubMed 
    Article 

    Google Scholar 
    Frye, B. M. et al. After short interbirth intervals, captive callitrichine monkeys have higher infant mortality. iScience 25, 103724 (2022).ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    McCoy, D. E. et al. A comparative study of litter size and sex composition in a large dataset of callitrichine monkeys. Am. J. Primatol. 81, e23038 (2019).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Jaquish, C. E., Tardif, S. D. & Cheverud, J. M. Interactions between infant growth and survival: Evidence for selection on age-specific body weight in captive common marmosets (Callithrix jacchus). Am. J. Primatol. 42, 269–280 (1997).CAS 
    PubMed 
    Article 

    Google Scholar 
    Tardif, S. D. & Jaquish, C. E. Number of ovulations in the marmoset monkey (Callithrix jacchus): Relation to body weight, age and repeatability. Am. J. Primatol. 42, 323–329 (1997).CAS 
    PubMed 
    Article 

    Google Scholar 
    Poole, T. B. & Evans, R. G. Reproduction, infant survival and productivity of a colony of common marmosets (Callithrix jacchus jacchus). Lab. Anim. 16, 88–97 (1982).CAS 
    PubMed 
    Article 

    Google Scholar 
    Tardif, S. D., Richter, C. B. & Carson, R. L. Effects of sibling-rearing experience on future reproductive success in two species of callitrichidae. Am. J. Primatol. 6, 377–380 (1984).PubMed 
    Article 

    Google Scholar 
    Rothe, H., Koenig, A. & Darms, K. Infant survival and number of helpers in captive groups of common marmosets (Callithrix jacchus). Am. J. Primatol. 30, 131–137 (1993).CAS 
    PubMed 
    Article 

    Google Scholar 
    Koski, S. E., Buchanan-Smith, H. M., Burkart, J. M., Bugnyar, T. & Weiss, A. Common marmoset (Callithrix jacchus) personality. J. Comp. Psychol. 131, 326–336 (2017).PubMed 
    Article 

    Google Scholar 
    Šlipogor, V., Burkart, J. M., Martin, J. S., Bugnyar, T. & Koski, S. E. Personality method validation in common marmosets (Callithrix jacchus): Getting the best of both worlds. J. Comp. Psychol. 134, 52–70 (2020).PubMed 
    Article 

    Google Scholar 
    Weiss, A., Yokoyama, C., Hayashi, T. & Inoue-Murayama, M. Personality, subjective well-being, and the serotonin 1a receptor gene in common marmosets (Callithrix jacchus). PLoS ONE 16, e0238663 (2021).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Freeman, H., Gosling, S. D. & Schapiro, S. J. Comparison of methods for assessing personality in nonhuman primates. In Personality and Temperament in Nonhuman Primates (eds Weiss, A. et al.) 17–40 (Springer, 2011).Chapter 

    Google Scholar 
    Finkenwirth, C. & Burkart, J. M. Why help? Relationship quality, not strategic grooming predicts infant-care in group-living marmosets. Physiol. Behav. 193, 108–116 (2018).CAS 
    PubMed 
    Article 

    Google Scholar 
    Haines, J. A. et al. Sex- and context-specific associations between personality and a measure of fitness but no link with life history traits. Anim. Behav. 167, 23–39 (2020).Article 

    Google Scholar 
    Carlstead, K., Mellen, J. & Kleiman, D. G. Black rhinoceros (Diceros bicornis) in US zoos: I. Individual behavior profiles and their relationship to breeding success. Zoo Biol. 18, 17–34 (1999).Article 

    Google Scholar 
    Berg, V., Lummaa, V., Lahdenperä, M., Rotkirch, A. & Jokela, M. Personality and long-term reproductive success measured by the number of grandchildren. Evol. Hum. Behav. 35, 533–539 (2014).Article 

    Google Scholar 
    Silva, H. P. A. & Sousa, M. B. C. The pair-bond formation and its role in the stimulation of reproductive function in female common marmosets (Callithrix jacchus). Int. J. Primatol. 18, 387–400 (1997).Article 

    Google Scholar 
    Cavanaugh, J., Mustoe, A. C., Taylor, J. H. & French, J. A. Oxytocin facilitates fidelity in well-established marmoset pairs by reducing sociosexual behavior toward opposite-sex strangers. Psychoneuroendocrinology 49, 1–10 (2014).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Andersen, I. L., Nævdal, E. & Bøe, K. E. Maternal investment, sibling competition, and offspring survival with increasing litter size and parity in pigs (Sus scrofa). Behav. Ecol. Sociobiol. 65, 1159–1167 (2011).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Johnstone-Yellin, T. L., Shipley, L. A., Myers, W. L. & Robinson, H. S. To twin or not to twin? Trade-offs in litter size and fawn survival in mule deer. J. Mammal. 90, 453–460 (2009).Article 

    Google Scholar 
    Ariyomo, T. O. & Watt, P. J. The effect of variation in boldness and aggressiveness on the reproductive success of zebrafish. Anim. Behav. 83, 41–46 (2012).Article 

    Google Scholar 
    Patterson, L. D. & Schulte-Hostedde, A. I. Behavioural correlates of parasitism and reproductive success in male eastern chipmunks, Tamias striatus. Anim. Behav. 81, 1129–1137 (2011).Article 

    Google Scholar 
    Mutzel, A., Dingemanse, N. J., Araya-Ajoy, Y. G. & Kempenaers, B. Parental provisioning behaviour plays a key role in linking personality with reproductive success. Proc. R. Soc. B 280, 20131019 (2013).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Costa, T. S. O. et al. Individual behavioral differences and health of golden-headed lion tamarins (Leontopithecus chrysomelas). Am. J. Primatol. 82, e23118 (2020).PubMed 
    Article 

    Google Scholar 
    Harrison, P. M. et al. Personality-dependent spatial ecology occurs independently from dispersal in wild burbot (Lota lota). Behav. Ecol. 26, 483–492 (2015).Article 

    Google Scholar 
    Tardif, S. D., Power, M., Oftedal, O. T., Power, R. A. & Layne, D. G. Lactation, maternal behavior and infant growth in common marmoset monkeys (Callithrix jacchus): Effects of maternal size and litter size. Behav. Ecol. Sociobiol. 51, 17–25 (2001).Article 

    Google Scholar 
    Mills, D. A., Windle, C. P., Baker, H. F. & Ridley, R. M. Analysis of infant carrying in large, well-established family groups of captive marmosets (Callithrix jacchus). Primates 45, 259–265 (2004).PubMed 
    Article 

    Google Scholar 
    Leutenegger, W. Maternal-fetal weight relationships in primates. Folia Primatol. 20, 280–293 (1973).CAS 
    Article 

    Google Scholar 
    Schultz-Darken, N., Ace, L. & Ash, H. Behavior and behavioral management. In The Common Marmoset in Captivity and Biomedical Research (eds Marini, R. et al.) 109–117 (Academic Press, 2019). https://doi.org/10.1016/b978-0-12-811829-0.00007-8.Chapter 

    Google Scholar 
    Bardi, M. & Petto, A. J. Parental failure in captive common marmosets (Callithrix jacchus): A comparison with tamarins. Folia Primatol. 73, 46–48 (2002).Article 

    Google Scholar 
    Barbosa, M. N. & da Silva Mota, M. T. Alloparental responsiveness to newborns by nonreproductive, adult male, common marmosets (Callithrix jacchus). Am. J. Primatol. 75, 145–152 (2013).PubMed 
    Article 

    Google Scholar 
    Rutherford, J. N. et al. Womb to womb: Maternal litter size and birth weight but not adult characteristics predict early neonatal death of offspring in the common marmoset monkey. PLoS ONE 16, e0252093 (2021).CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Finkenwirth, C., Martins, E., Deschner, T. & Burkart, J. M. Oxytocin is associated with infant-care behavior and motivation in cooperatively breeding marmoset monkeys. Horm. Behav. 80, 10–18 (2016).CAS 
    PubMed 
    Article 

    Google Scholar 
    Edwards, H. A., Dugdale, H. L., Richardson, D. S., Komdeur, J. & Burke, T. Extra-pair parentage and personality in a cooperatively breeding bird. Behav. Ecol. Sociobiol. 72, 37 (2018).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Schürch, R. & Heg, D. Variation in helper type affects group stability and reproductive decisions in a cooperative breeder. Ethology 116, 257–269 (2010).Article 

    Google Scholar 
    Class, B. & Dingemanse, N. J. A variance partitioning perspective of assortative mating: Proximate mechanisms and evolutionary implications. J. Evol. Biol. 35, 483–490 (2022).PubMed 
    Article 

    Google Scholar 
    Scherer, U., Godin, J. G. J. & Schuett, W. Do female rainbow kribs choose males on the basis of their apparent aggression and boldness? A non-correlational mate choice study. Behav. Ecol. Sociobiol. 74, 34 (2020).Article 

    Google Scholar 
    Schuett, W., Godin, J.-G.J. & Dall, S. R. X. Do female zebra finches, Taeniopygia guttata, choose their mates based on their ‘personality’?. Ethology 117, 908–917 (2011).Article 

    Google Scholar 
    Ophir, A. G., Crino, O. L., Wilkerson, Q. C., Wolff, J. O. & Phelps, S. M. Female-directed aggression predicts paternal behavior, but female prairie voles prefer affiliative males to paternal males. Brain. Behav. Evol. 71, 32–40 (2008).PubMed 
    Article 

    Google Scholar 
    Lazaro-Perea, C. Intergroup interactions in wild common marmosets, Callithrix jacchus: Territorial defence and assessment of neighbours. Anim. Behav. 62, 11–21 (2001).Article 

    Google Scholar 
    Koski, S. E. & Burkart, J. M. Common marmosets show social plasticity and group-level similarity in personality. Sci. Rep. 5, 8878 (2015).ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Norman, M., Rowden, L. J. & Cowlishaw, G. Potential applications of personality assessments to the management of non-human primates: A review of 10 years of study. PeerJ 9, e12044 (2021).PubMed 
    PubMed Central 
    Article 

    Google Scholar 
    Gorsuch, R. L. Factor Analysis 2nd edn. (Lawrence Erlbaum Associates, 1983).MATH 

    Google Scholar 
    R Core Team. R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna, Austria (2020).Bates, D., Mächler, M., Bolker, B. M. & Walker, S. C. Fitting linear mixed-effects models using lme4. J. Stat. Softw. 67, 1–48 (2015).Article 
    CAS 

    Google Scholar 
    Zuur, A. F., Ieno, E. N., Walker, N. J., Saveliev, A. A. & Smith, G. M. Mixed Effects Models and Extensions in Ecology with R (Springer, 2009). https://doi.org/10.1007/978-0-387-87458-6.Book 
    MATH 

    Google Scholar 
    Christensen, R. H. B. Ordinal—Regression Models for Ordinal Data. R package version 2019.4-25. (2019).Burnham, K. P. & Anderson, D. R. Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach (Springer-Verlag, 2002). https://doi.org/10.1007/b97636.Book 
    MATH 

    Google Scholar 
    Bartoń, K. Mu-MIn: Multi-model inference. R package version 2019 1.43.6. (2019).Grueber, C. E., Nakagawa, S., Laws, R. J. & Jamieson, I. G. Multimodel inference in ecology and evolution: Challenges and solutions. J. Evol. Biol. 24, 699–711 (2011).CAS 
    PubMed 
    Article 

    Google Scholar 
    Richards, S. A. Dealing with overdispersed count data in applied ecology. J. Appl. Ecol. 45, 218–227 (2008).Article 

    Google Scholar 
    Hartig, F. DHARMa: Residual Diagnostics for Hierarchical (Multi-Level/Mixed) Regression Models. R package version 0.2.7 (2020).Lüdecke, D. sjPlot: Data Visualization for Statistics in Social Science. R package version 2.8.2 (2020)du Sert, N. P. et al. Reporting animal research: Explanation and elaboration for the ARRIVE guidelines 2.0. PLoS Biol. 18, e3000411 (2020).Article 
    CAS 

    Google Scholar  More