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Long-term trends in the body condition of parents and offspring of Tengmalm’s owls under fluctuating food conditions and climate change

  • 1.

    Brommer, J. E., Pietiäinen, H. & Kolunen, H. Reproduction and survival in a variable environment: Ural owls (Strix uralensis) and the three-year vole cycle. Auk 119, 544–550. https://doi.org/10.1642/0004-8038(2002)119[0544:rasiav]2.0.co;2 (2002).

    Article 

    Google Scholar 

  • 2.

    Begon, M., Townsend, C. R. & Harper, J. L. Ecology, Individuals, Populations and Communities 4th edn. (Blackwell, 2006).

    Google Scholar 

  • 3.

    Chang, A. M. & Wiebe, K. L. Body condition in snowy owls wintering on the prairies is greater in females and older individuals and may contribute to sex-biased mortality. Auk 133, 738–746. https://doi.org/10.1642/auk-16-60.1 (2016).

    Article 

    Google Scholar 

  • 4.

    McLean, N., van der Jeugd, H. P. & van de Pol, M. High intra-specific variation in avian body condition responses to climate limits generalisation across species. PLoS ONE 13, e0192401. https://doi.org/10.1371/journal.pone.0192401 (2018).

    CAS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 5.

    McLean, N. M., van der Jeugd, H. P., van Turnhout, C. A. M., Lefcheck, J. S. & van de Pol, M. Reduced avian body condition due to global warming has little reproductive or population consequences. Oikos 129, 714–730. https://doi.org/10.1111/oik.06802 (2020).

    Article 

    Google Scholar 

  • 6.

    Aubry, L. M. et al. Climate change, phenology, and habitat degradation: Drivers of gosling body condition and juvenile survival in lesser snow geese. Glob. Change Biol. 19, 149–160. https://doi.org/10.1111/gcb.12013 (2013).

    ADS 
    Article 

    Google Scholar 

  • 7.

    Gardner, J. L., Amano, T., Sutherland, W. J., Clayton, M. & Peters, A. Individual and demographic consequences of reduced body condition following repeated exposure to high temperatures. Ecology 97, 786–795. https://doi.org/10.1890/15-0642.1 (2016).

    Article 
    PubMed 

    Google Scholar 

  • 8.

    Newton, I. Population Limitation in Birds (Academic Press, 1998).

    Google Scholar 

  • 9.

    Dunn, P. O. & Møller, A. P. Effects of Climate Change on Birds 2nd edn. (Oxford University Press, 2019).

    Book 

    Google Scholar 

  • 10.

    Crossin, G. T. et al. A carryover effect of migration underlies individual variation in reproductive readiness and extreme egg size dimorphism in Macaroni penguins. Am. Nat. 176, 357–366. https://doi.org/10.1086/655223 (2010).

    Article 
    PubMed 

    Google Scholar 

  • 11.

    Clausen, K. K., Madsen, J. & Tombre, I. M. Carry-over or compensation? The impact of winter harshness and post-winter body condition on spring-fattening in a migratory goose species. PLoS ONE 10(7), e0132312. https://doi.org/10.1371/journal.pone.0132312 (2015).

    CAS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 12.

    Selonen, V., Wistbacka, R. & Korpimäki, E. Food abundance and weather modify reproduction of two arboreal squirrel species. J. Mammal. 97, 1376–1384. https://doi.org/10.1093/jmammal/gyw096 (2016).

    Article 

    Google Scholar 

  • 13.

    Harrison, X. A., Blount, J. D., Inger, R., Norris, D. R. & Bearhop, S. Carry-over effects as drivers of fitness differences in animals. J. Anim. Ecol. 80, 4–18. https://doi.org/10.1111/j.1365-2656.2010.01740.x (2011).

    Article 
    PubMed 

    Google Scholar 

  • 14.

    O’Connor, C. M., Norris, D. R., Crossin, G. T. & Cooke, S. J. Biological carryover effects: Linking common concepts and mechanisms in ecology and evolution. Ecosphere 5, 1–11. https://doi.org/10.1890/es13-00388.1 (2014).

    Article 

    Google Scholar 

  • 15.

    Montreuil-Spencer, C., Schoenemann, K., Lendvai, A. Z. & Bonier, F. Winter corticosterone and body condition predict breeding investment in a nonmigratory bird. Behav. Ecol. 30, 1642–1652. https://doi.org/10.1093/beheco/arz129 (2019).

    Article 

    Google Scholar 

  • 16.

    Korpimäki, E. Body mass of breeding Tengmalm’s owls Aegolius funereus: Seasonal, between-year, site and age-related variation. Ornis Scand. 21, 169–178. https://doi.org/10.2307/3676776 (1990).

    Article 

    Google Scholar 

  • 17.

    Dijkstra, C., Daan, S., Meijer, T., Cave, A. J. & Foppen, R. P. B. Daily and seasonal-variations in body-mass of the kestrel in relation to food availability and reproduction. Ardea 76, 127–140 (1988).

    Google Scholar 

  • 18.

    Pietiäinen, H. & Kolunen, H. Female body condition and breeding of the Ural owl Strix uralensis. Funct. Ecol. 7, 726–735. https://doi.org/10.2307/2390195 (1993).

    Article 

    Google Scholar 

  • 19.

    Wijnandts, H. Ecological energetics of the long-eared owl (Asio otus). Ardea 72, 1–92 (1984).

    Google Scholar 

  • 20.

    Korpimäki, E. & Hakkarainen, H. Fluctuating food supply affects the cluch size of Tengmalm’s owl independent of laying date. Oecologia 85, 543–552 (1991).

    ADS 
    Article 

    Google Scholar 

  • 21.

    Korpimäki, E. & Wiehn, J. Clutch size of kestrels: Seasonal decline and experimental evidence for food limitation under fluctuating food conditions. Oikos 83, 259–272. https://doi.org/10.2307/3546837 (1998).

    Article 

    Google Scholar 

  • 22.

    Pietiäinen, H. Seasonal and individual variation in the production of offspring in the Ural owl Strix uralensis. J. Anim. Ecol. 58, 905–920. https://doi.org/10.2307/5132 (1989).

    Article 

    Google Scholar 

  • 23.

    Wellicome, T. I. Effects of food on reproduction in burrowing owls (Athene cunicularia) during three stages of the breeding season (Ph.D. dissertation). (University of Alberta, 2000).

  • 24.

    Ilmonen, P. et al. Parental effort and blood parasitism in Tengmalm’s owl: Effects of natural and experimental variation in food abundance. Oikos 86, 79–86. https://doi.org/10.2307/3546571 (1999).

    Article 

    Google Scholar 

  • 25.

    Santangeli, A., Hakkarainen, H., Laaksonen, T. & Korpimäki, E. Home range size is determined by habitat composition but feeding rate by food availability in male Tengmalm’s owls. Anim. Behav. 83, 1115–1123. https://doi.org/10.1016/j.anbehav.2012.02.002 (2012).

    Article 

    Google Scholar 

  • 26.

    Griebel, R. L. & Savidge, J. A. Factors related to body condition of nestling burrowing owls in Buffalo Gap National Grassland, South Dakota. Wilson Bull. 115, 477–480. https://doi.org/10.1676/02-094 (2003).

    Article 

    Google Scholar 

  • 27.

    Valkama, J., Korpimäki, E., Holm, A. & Hakkarainen, H. Hatching asynchrony and brood reduction in Tengmalm’s owl Aegolius funereus: The role of temporal and spatial variation in food abundance. Oecologia 133, 334–341. https://doi.org/10.1007/s00442-002-1033-2 (2002).

    ADS 
    Article 
    PubMed 

    Google Scholar 

  • 28.

    König, C. & Weick, F. Owls of the World 2nd edn. (Yale University Press, 2008).

    Google Scholar 

  • 29.

    Mikkola, H. Owls of Europe (Poyser, 1983).

    Google Scholar 

  • 30.

    Korpimäki, E. On the Ecology and Biology of Tengmalm’s Owl (Aegolius funereus) in Southern Ostrobothnia and Soumenselkä, Western Finland Vol. 13, 1–84 (University of Oulu, 1981).

    Google Scholar 

  • 31.

    Korpimäki, E. Diet of breeding Tengmalm’s owls Aegolius funereus: Long-term changes and year-to-year variation under cyclic food conditions. Ornis Fenn. 65, 21–30 (1988).

    Google Scholar 

  • 32.

    Korpimäki, E. & Hakkarainen, H. The Boreal Owl: Ecology, Behaviour and Conservation of a Forest-Dwelling Predator (Cambridge University Press, 2012).

    Book 

    Google Scholar 

  • 33.

    Kouba, M., Bartoš, L., Šindelář, J. & Šťastný, K. Alloparental care and adoption in Tengmalm’s owl (Aegolius funereus). J. Ornithol. 158, 185–191. https://doi.org/10.1007/s10336-016-1381-z (2017).

    Article 

    Google Scholar 

  • 34.

    Eldegard, K. & Sonerud, G. A. Experimental increase in food supply influences the outcome of within-family conflicts in Tengmalm’s owl. Behav. Ecol. Sociobiol. 64, 815–826 (2010).

    Article 

    Google Scholar 

  • 35.

    Eldegard, K. & Sonerud, G. A. Sex roles during post-fledging care in birds: Female Tengmalm’s owls contribute little to food provisioning. J. Ornithol. 153, 385–398. https://doi.org/10.1007/s10336-011-0753-7 (2012).

    Article 

    Google Scholar 

  • 36.

    Kouba, M., Bartoš, L. & Šťastný, K. Differential movement patterns of juvenile Tengmalm’s owls (Aegolius funereus) during the post-fledging dependence period in two years with contrasting prey abundance. PLoS ONE 8(7), e67034. https://doi.org/10.1371/journal.pone.0067034 (2013).

    ADS 
    CAS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 37.

    Korpimäki, E. Fluctuating food abundance determines the lifetime reproductive success of male Tengmalm’s owls. J. Anim. Ecol. 61, 103–111 (1992).

    Article 

    Google Scholar 

  • 38.

    Kouba, M., Bartoš, L., Korpimäki, E. & Zárybnická, M. Factors affecting the duration of nestling period and fledging order in Tengmalm’s owl (Aegolius funereus): Effect of wing length and hatching sequence. PLoS ONE 10(3), e0121641. https://doi.org/10.1371/journal.pone.0121641 (2015).

    CAS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 39.

    Björklund, H., Saurola, P. & Valkama, J. Petolintuvuosi 2019 oli kohtalainen (Summary: Breeding and population trends of common raptors and owls in Finland in 2019). Yearb. Linnut Mag. 2019, 44–59 (2020).

    Google Scholar 

  • 40.

    Kouba, M., Bartoš, L., Bartošová, J., Hongisto, K. & Korpimäki, E. Interactive influences of fluctuations of main food resources and climate change on long-term population decline of Tengmalm’s owls in the boreal forest. Sci. Rep. 10, 20429. https://doi.org/10.1038/s41598-41020-77531-y (2020).

    CAS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 41.

    Ferrero, J. J., Grande, J. M. & Negro, J. J. Copulation behavior of a potentially double-brooded bird of prey, the black-winged kite (Elanus caeruleus). J. Raptor Res. 37, 1–7 (2003).

    Google Scholar 

  • 42.

    Sergio, F. From individual behaviour to population pattern: Weather-dependent foraging and breeding performance in black kites. Anim. Behav. 66, 1109–1117. https://doi.org/10.1006/anbe.2003.2303 (2003).

    Article 

    Google Scholar 

  • 43.

    Korpimäki, E. Effects of age on breeding performance of Tengmalm’s owl Aegolius funereus in western Finland. Ornis Scand. 19, 21–26 (1988).

    Article 

    Google Scholar 

  • 44.

    Laaksonen, T., Korpimäki, E. & Hakkarainen, H. Interactive effects of parental age and environmental variation on the breeding performance of Tengmalm’s owls. J. Anim. Ecol. 71, 23–31. https://doi.org/10.1046/j.0021-8790.2001.00570.x (2002).

    Article 

    Google Scholar 

  • 45.

    Korpimäki, E. Highlights from a long-term study of Tengmalm’s owls: Cyclic fluctuations in vole abundance govern mating systems, population dynamics and demography. Brit. Birds 113, 316–333 (2020).

    Google Scholar 

  • 46.

    Peig, J. & Green, A. J. New perspectives for estimating body condition from mass/length data: The scaled mass index as an alternative method. Oikos 118, 1883–1891. https://doi.org/10.1111/j.1600-0706.2009.17643.x (2009).

    Article 

    Google Scholar 

  • 47.

    Korpimäki, E., Norrdahl, K., Huitu, O. & Klemola, T. Predator-induced synchrony in population oscillations of coexisting small mammal species. Proc. R. Soc. B-Biol. Sci. 272, 193–202 (2005).

    Article 

    Google Scholar 

  • 48.

    Huitu, O., Norrdahl, K. & Korpimäki, E. Landscape effects on temporal and spatial properties of vole population fluctuations. Oecologia 135, 209–220. https://doi.org/10.1007/s00442-002-1171-6 (2003).

    ADS 
    Article 
    PubMed 

    Google Scholar 

  • 49.

    Schreiber-Gregory, D. N. & Jackson, H. M. Multicollinearity: What is it, why should we care, and how can it be controlled. In Proc. SAS R Global Forum 2017, Conference Paper 1404 (2017).

  • 50.

    Zuur, A., Ieno, E. N. & Smith, G. M. Analyzing Ecological Data (Springer, 2007).

    Book 

    Google Scholar 

  • 51.

    Tao, J., Littel, R., Patetta, M., Truxillo, C. & Wolfinger, R. Mixed Model Analyses Using the SAS System Course Notes (SAS Institute Inc., 2002).

    Google Scholar 

  • 52.

    Burnham, K. P. & Anderson, D. R. Model Selection and Inference: A Practical Information-Theoretical Approach (Springer, 1998).

    Book 

    Google Scholar 

  • 53.

    Akaike, H. A new look at the statistical model identification. IEEE Trans. Autom. Control 19, 716–723 (1974).

    ADS 
    MathSciNet 
    Article 

    Google Scholar 

  • 54.

    Vaida, F. & Blanchard, S. Conditional Akaike information for mixed-effects models. Biometrika 92, 351–370. https://doi.org/10.1093/biomet/92.2.351 (2005).

    MathSciNet 
    Article 
    MATH 

    Google Scholar 

  • 55.

    Ward, E. J. A review and comparison of four commonly used Bayesian and maximum likelihood model selection tools. Ecol. Model. 211, 1–10. https://doi.org/10.1016/j.ecolmodel.2007.10.030 (2008).

    CAS 
    Article 

    Google Scholar 

  • 56.

    Schwarz, G. Estimating the dimension of a model. Ann. Stat. 6, 461–464 (1978).

    MathSciNet 
    Article 

    Google Scholar 

  • 57.

    Christensen, W. Agreeing to disagree: Using SAS to make reasoned decisions when information criteria select different models. In SAS Conference Proceedings: Western Users of SAS Software 2018. September 5–7, 2018, Sacramento, California, Paper 099–2018 (2018).

  • 58.

    Posada, D. & Buckley, T. R. Model selection and model averaging in phylogenetics: Advantages of Akaike information criterion and Bayesian approaches over likelihood ratio tests. Syst. Biol. 53, 793–808. https://doi.org/10.1080/10635150490522304 (2004).

    Article 
    PubMed 

    Google Scholar 

  • 59.

    Burnham, K. P. & Anderson, D. R. Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach 2nd edn. (Springer, 2002).

    MATH 

    Google Scholar 

  • 60.

    Buckland, S. T., Burnham, K. P. & Augustin, N. H. Model selection: An integral part of inference. Biometrics 53, 603–618. https://doi.org/10.2307/2533961 (1997).

    Article 
    MATH 

    Google Scholar 

  • 61.

    Wagenmakers, E. J. & Farrell, S. AIC model selection using Akaike weights. Psychon. Bull. Rev. 11, 192–196. https://doi.org/10.3758/bf03206482 (2004).

    Article 
    PubMed 

    Google Scholar 

  • 62.

    Lack, D. The Natural Regulation of Animal Numbers (Oxford University Press, 1954).

    Google Scholar 

  • 63.

    Korpela, K. et al. Nonlinear effects of climate on boreal rodent dynamics: Mild winters do not negate high-amplitude cycles. Glob. Change Biol. 19, 697–710. https://doi.org/10.1111/gcb.12099 (2013).

    ADS 
    Article 

    Google Scholar 

  • 64.

    Wiehn, J. & Korpimäki, E. Food limitation on brood size: Experimental evidence in the Eurasian kestrel. Ecology 78, 2043–2050. https://doi.org/10.2307/2265943 (1997).

    Article 

    Google Scholar 

  • 65.

    Korpimäki, E. & Lagerström, M. Survival and natal dispersal of fledglings of Tengmalm’s owl in relation to fluctuating food conditions and hatching date. J. Anim. Ecol. 57, 433–441 (1988).

    Article 

    Google Scholar 

  • 66.

    Norris, K. J. Female choice and the quality of parental care in the great tit Parus major. Behav. Ecol. Sociobiol. 27, 275–281 (1990).

    Article 

    Google Scholar 

  • 67.

    Naef-Daenzer, B., Widmer, F. & Nuber, M. Differential post-fledging survival of great and coal tits in relation to their condition and fledging date. J. Anim. Ecol. 70, 730–738. https://doi.org/10.1046/j.0021-8790.2001.00533.x (2001).

    Article 

    Google Scholar 

  • 68.

    Grüebler, M. U. & Naef-Daenzer, B. Postfledging parental effort in barn swallows: Evidence for a trade-off in the allocation of time between broods. Anim. Behav. 75, 1877–1884. https://doi.org/10.1016/j.anbehav.2007.12.002 (2008).

    Article 

    Google Scholar 

  • 69.

    Jones, T. M., Ward, M. P., Benson, T. J. & Brawn, J. D. Variation in nestling body condition and wing development predict cause-specific mortality in fledgling dickcissels. J. Avian Biol. 48, 439–447. https://doi.org/10.1111/jav.01143 (2017).

    Article 

    Google Scholar 

  • 70.

    Magrath, R. D. Nestling weight and juvenile survival in the blackbird, Turdus merula. J. Anim. Ecol. 60, 335–351. https://doi.org/10.2307/5464 (1991).

    Article 

    Google Scholar 

  • 71.

    Naef-Daenzer, B. & Grüebler, M. U. Post-fledging survival of altricial birds: Ecological determinants and adaptation. J. Field Ornithol. 87, 227–250. https://doi.org/10.1111/jofo.12157 (2016).

    Article 

    Google Scholar 

  • 72.

    Winkler, D. W., Luo, M. K. & Rakhimberdiev, E. Temperature effects on food supply and chick mortality in tree swallows (Tachycineta bicolor). Oecologia 173, 129–138. https://doi.org/10.1007/s00442-013-2605-z (2013).

    ADS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 73.

    Hylton, R. A., Frederick, P. C., de la Fuente, T. E. & Spalding, M. G. Effects of nestling health on postfledging survival of wood storks. Condor 108, 97–106. https://doi.org/10.1650/0010-5422(2006)108[0097:Eonhop]2.0.Co;2 (2006).

    Article 

    Google Scholar 

  • 74.

    Imlay, T. L., Mann, H. A. R. & Leonard, M. L. No effect of insect abundance on nestling survival or mass for three aerial insectivores. Avian Conserv. Ecol. https://doi.org/10.5751/ace-01092-120219 (2017).

    Article 

    Google Scholar 

  • 75.

    Nooker, J. K., Dunn, P. O. & Whittingham, L. A. Effects of food abundance, weather, and female condition on reproduction in tree swallows (Tachycineta bicolor). Auk 122, 1225–1238. https://doi.org/10.1642/0004-8038(2005)122[1225:eofawa]2.0.co;2 (2005).

    Article 

    Google Scholar 

  • 76.

    Perrig, M., Gruebler, M. U., Keil, H. & Naef-Daenzer, B. Experimental food supplementation affects the physical development, behaviour and survival of little owl Athene noctua nestlings. Ibis 156, 755–767. https://doi.org/10.1111/ibi.12171 (2014).

    Article 

    Google Scholar 

  • 77.

    Perrig, M., Gruebler, M. U., Keil, H. & Naef-Daenzer, B. Post-fledging survival of little owls Athene noctua in relation to nestling food supply. Ibis 159, 532–540. https://doi.org/10.1111/ibi.12477 (2017).

    Article 

    Google Scholar 

  • 78.

    McDonald, P. G., Olsen, P. D. & Cockburn, A. Sex allocation and nestling survival in a dimorphic raptor: Does size matter? Behav. Ecol. 16, 922–930. https://doi.org/10.1093/beheco/ari071 (2005).

    Article 

    Google Scholar 

  • 79.

    Morosinotto, C. et al. Fledging mass is color morph specific and affects local recruitment in a wild bird. Am. Nat. 196, 609–619. https://doi.org/10.1086/710708 (2020).

    Article 
    PubMed 

    Google Scholar 

  • 80.

    Overskaug, K., Bolstad, J. P., Sunde, P. & Øien, I. J. Fledgling behavior and survival in northern tawny owls. Condor 101, 169–174 (1999).

    Article 

    Google Scholar 

  • 81.

    Todd, L. D., Poulin, R. G., Wellicome, T. I. & Brigham, R. M. Post-fledging survival of burrowing owls in Saskatchewan. J. Wildl. Manage. 67, 512–519. https://doi.org/10.2307/3802709 (2003).

    Article 

    Google Scholar 

  • 82.

    Cox, W. A., Thompson, F. R., Cox, A. S. & Faaborg, J. Post-fledging survival in passerine birds and the value of post-fledging studies to conservation. J. Wildl. Manage. 78, 183–193. https://doi.org/10.1002/jwmg.670 (2014).

    Article 

    Google Scholar 

  • 83.

    Korpimäki, E. Timing of breeding of Tengmalm’s owl Aegolius funereus in relation to vole dynamics in western Finland. Ibis 129, 58–68 (1987).

    Article 

    Google Scholar 

  • 84.

    Pigeault, R., Cozzarolo, C. S., Glaizot, O. & Christe, P. Effect of age, haemosporidian infection and body condition on pair composition and reproductive success in great tits Parus major. Ibis 162, 613–626. https://doi.org/10.1111/ibi.12774 (2020).

    Article 

    Google Scholar 

  • 85.

    Hakkarainen, H. & Korpimäki, E. The effect of female body-size on clutch volume of Tengmalm’s owls Aegolius funereus in varying food conditions. Ornis Fenn. 70, 189–195 (1993).

    Google Scholar 

  • 86.

    Hanauska-Brown, L. A., Dufty, A. M. & Roloff, G. J. Blood chemistry, cytology, and body condition in adult northern goshawks (Accipiter gentilis). J. Raptor Res. 37, 299–306 (2003).

    Google Scholar 

  • 87.

    Chastel, O., Weimerskirch, H. & Jouventin, P. Body condition and seabird reproductive performance: A study of three petrel species. Ecology 76, 2240–2246. https://doi.org/10.2307/1941698 (1995).

    Article 

    Google Scholar 

  • 88.

    Grilli, M. G., Pari, M. & Ibanez, A. Poor body conditions during the breeding period in a seabird population with low breeding success. Mar. Biol. https://doi.org/10.1007/s00227-018-3401-4 (2018).

    Article 

    Google Scholar 

  • 89.

    Toland, B. Hunting success of some Missouri raptors. Wilson Bull. 98, 116–125 (1986).

    Google Scholar 

  • 90.

    Masoero, G., Morosinotto, C., Laaksonen, T. & Korpimäki, E. Food hoarding of an avian predator: Sex- and age-related differences under fluctuating food conditions. Behav. Ecol. Sociobiol. https://doi.org/10.1007/s00265-00018-02571-x (2018).

    Article 

    Google Scholar 

  • 91.

    Masoero, G., Laaksonen, T., Morosinotto, C. & Korpimäki, E. Age and sex differences in numerical responses, dietary shifts, and total responses of a generalist predator to population dynamics of main prey. Oecologia 192, 699–711. https://doi.org/10.1007/s00442-020-04607-x (2020).

    ADS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 92.

    Norrdahl, K. & Korpimäki, E. Changes in population structure and reproduction during a 3-year population cycle of voles. Oikos 96, 331–345. https://doi.org/10.1034/j.1600-0706.2002.970319.x (2002).

    Article 

    Google Scholar 

  • 93.

    Merritt, J. F., Lima, M. & Bozinovic, F. Seasonal regulation in fluctuating small mammal populations: Feedback structure and climate. Oikos 94, 505–514. https://doi.org/10.1034/j.1600-0706.2001.940312.x (2001).

    Article 

    Google Scholar 

  • 94.

    Solonen, T. Overwinter population change of small mammals in southern Finland. Ann. Zool. Fenn. 43, 295–302 (2006).

    Google Scholar 

  • 95.

    Haapakoski, M. & Ylönen, H. Snow evens fragmentation effects and food determines overwintering success in ground-dwelling voles. Ecol. Res. 28, 307–315. https://doi.org/10.1007/s11284-012-1020-y (2013).

    Article 

    Google Scholar 

  • 96.

    Berlioz, J. & Bergman, G. (eds) Proc., XII International Ornithological Congress, Helsinki 5–12 Vol. 158, 586–591 (Tilgmannin Kirjapaino, 1960).

    Google Scholar 

  • 97.

    Fraixedas, S., Linden, A. & Lehikoinen, A. Population trends of common breeding forest birds in southern Finland are consistent with trends in forest management and climate change. Ornis Fenn. 92, 187–203 (2015).

    Google Scholar 

  • 98.

    Virkkala, R. Long-term decline of southern boreal forest birds: Consequence of habitat alteration or climate change? Biodivers. Conserv. 25, 151–167. https://doi.org/10.1007/s10531-015-1043-0 (2016).

    Article 

    Google Scholar 

  • 99.

    Björklund, H., Valkama, J., Tomppo, E. & Laaksonen, T. Habitat effects on the breeding performance of three forest-dwelling hawks. PLoS ONE 10(9), e0137877. https://doi.org/10.1371/journal.pone.0137877 (2015).

    CAS 
    Article 
    PubMed 
    PubMed Central 

    Google Scholar 

  • 100.

    Koskimäki, J. et al. Are habitat loss, predation risk and climate related to the drastic decline in a Siberian flying squirrel population? A 15-year study. Popul. Ecol. 56, 341–348. https://doi.org/10.1007/s10144-013-0411-4 (2014).

    Article 

    Google Scholar 

  • 101.

    Suzuki, N. & Parker, K. L. Proactive conservation of high-value habitat for woodland caribou and grizzly bears in the boreal zone of British Columbia, Canada. Biol. Conserv. 230, 91–103. https://doi.org/10.1016/j.biocon.2018.12.013 (2019).

    Article 

    Google Scholar 

  • 102.

    Venier, L. A. et al. Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests. Environ. Rev. 22, 457–490. https://doi.org/10.1139/er-2013-0075 (2014).

    Article 

    Google Scholar 

  • 103.

    Thomas, J. W. et al. A Conservation Strategy for the Northern Spotted Owl (US Government Printing Office 791-171/20026, 1990).

    Google Scholar 

  • 104.

    Laaksonen, T. & Lehikoinen, A. Population trends in boreal birds: Continuing declines in agricultural, northern, and long-distance migrant species. Biol. Conserv. 168, 99–107. https://doi.org/10.1016/j.biocon.2013.09.007 (2013).

    Article 

    Google Scholar 


  • Source: Ecology - nature.com

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