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Dark plumes of glacial meltwater affect vertical distribution of zooplankton in the Arctic

  • Meredith, M. et al. Polar regions. in IPCC Special Report on the Ocean and Cryosphere in a Changing Climate (Pörtner, H.‐O. et al. Eds.). 203–320 (2019).

  • Nummelin, A., Ilicak, M., Li, C. & Smedsrud, L. H. Consequences of future increased Arctic runoff on Arctic Ocean stratification, circulation, and sea ice cover. J. Geophys. Res. Oceans 121, 617–637 (2016).

    ADS 

    Google Scholar 

  • Smedsrud, L. H., Sorteberg, A. & Kloster, K. Recent and future changes of the Arctic sea-ice cover. Geophys. Res. Lett. 35, L20503 (2008).

    ADS 

    Google Scholar 

  • Ardyna, M. & Arrigo, K. R. Phytoplankton dynamics in a changing Arctic Ocean. Nat. Clim. Change 10, 892–903. https://doi.org/10.1038/s41558-020-0905-y (2020).

    Article 
    ADS 
    CAS 

    Google Scholar 

  • Tripathy, S. C. et al. Summer variability in bio-optical properties and phytoplankton pigment signatures in two adjacent high Arctic fjords, Svalbard. Int. J. Environ. Sci. Technol. https://doi.org/10.1007/s13762-021-03767-4 (2021).

    Article 

    Google Scholar 

  • Sagan, S. & Darecki, M. Inherent optical properties and particulate matter distribution in summer season in waters of Hornsund and Kongsfjordenen, Spitsbergen. Oceanologia 60, 65–75 (2018).

    Google Scholar 

  • Mouginot, J. et al. Forty-six years of Greenland Ice Sheet mass balance from 1972 to 2018. in Proceedings of the National Academy of Sciences of the United States of America. Vol. 116. 9239–9244. Preprint at https://doi.org/10.1073/pnas.1904242116 (2019).

  • Rignot, E., Jacobs, S., Mouginot, J. & Scheuchl, B. Ice-shelf melting around antarctica. Science 1979(341), 266–270 (2013).

    ADS 

    Google Scholar 

  • Konik, M., Darecki, M., Pavlov, A. K., Sagan, S. & Kowalczuk, P. Darkening of the Svalbard Fjords waters observed with satellite ocean color imagery in 1997–2019. Front. Mar. Sci. 8, 27 (2021).

    Google Scholar 

  • IPCC. Climate Change 2022: Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. (2022).

  • Szeligowska, M. et al. The interplay between plankton and particles in the Isfjorden waters influenced by marine- and land-terminating glaciers. Sci. Total Environ. 780, 146491 (2021).

    ADS 
    CAS 
    PubMed 

    Google Scholar 

  • Trudnowska, E., Dąbrowska, A. M., Boehnke, R., Zajączkowski, M. & Blachowiak-Samolyk, K. Particles, protists, and zooplankton in glacier-influenced coastal svalbard waters. Estuar. Coast Shelf Sci. 242, 106842 (2020).

    Google Scholar 

  • Maekakuchi, M., Matsuno, K., Yamamoto, J., Abe, Y. & Yamaguchi, A. Abundance, horizontal and vertical distribution of epipelagic ctenophores and scyphomedusae in the northern Bering Sea in summer 2017 and 2018: Quantification by underwater video imaging analysis. Deep Sea Res. 2 Top. Stud. Oceanogr. 181–182, 104818 (2020).

    Google Scholar 

  • Norrbin, F., Eilertsen, H. C. & Degerlund, M. Vertical distribution of primary producers and zooplankton grazers during different phases of the Arctic spring bloom. Deep Sea Res. 2 Top. Stud. Oceanogr. 56, 1945–1958 (2009).

    Google Scholar 

  • Stemmann, L. et al. Vertical distribution (0–1000 m) of macrozooplankton, estimated using the Underwater Video Profiler, in different hydrographic regimes along the northern portion of the Mid-Atlantic Ridge. Deep Sea Res. 2 Top. Stud. Oceanogr. 55, 94–105 (2008).

    Google Scholar 

  • Arendt, K. E. et al. Effects of suspended sediments on copepods feeding in a glacial influenced sub-Arctic fjord. J. Plankton Res. 33, 1526–1537 (2011).

    CAS 

    Google Scholar 

  • Arimitsu, M., Piatt, J. & Mueter, F. Influence of glacier runoff on ecosystem structure in Gulf of Alaska fjords. Mar. Ecol. Prog. Ser. 560, 19–40 (2016).

    ADS 

    Google Scholar 

  • Renner, M., Arimitsu, M. L. & Piatt, J. F. Structure of marine predator and prey communities along environmental gradients in a glaciated fjord. Can. J. Fish. Aquat. Sci. 69, 2029–2045 (2012).

    Google Scholar 

  • Lydersen, C. et al. The importance of tidewater glaciers for marine mammals and seabirds in Svalbard, Norway. J. Mar. Syst. 129, 452–471. https://doi.org/10.1016/j.jmarsys.2013.09.006 (2014).

    Article 

    Google Scholar 

  • Falk-Petersen, S., Pavlov, V., Timofeev, S. & Sargent, J. R. Climate variability and possible effects on arctic food chains: The role of Calanus. in Arctic Alpine Ecosystems and People in a Changing Environment. 147–166. https://doi.org/10.1007/978-3-540-48514-8_9 (Springer, 2007).

  • Stempniewicz, L. et al. Visual prey availability and distribution of foraging little auks (Alle alle) in the shelf waters of West Spitsbergen. Polar Biol. 36, 949–955 (2013).

    Google Scholar 

  • CAFF. Arctic Coastal Biodiversity Monitoring Plan (CAFF Monitoring Series Report No. 29). (2019).

  • Arendt, K. E., Nielsen, T. G., Rysgaard, S. & Tönnesson, K. Differences in plankton community structure along the Godthåbsfjord, from the Greenland Ice Sheet to offshore waters. Mar. Ecol. Prog. Ser. 401, 49–62 (2010).

    ADS 
    CAS 

    Google Scholar 

  • Blachowiak-Samolyk, K. et al. Arctic zooplankton do not perform diel vertical migration (DVM) during periods of midnight sun. Mar. Ecol. Prog. Ser. 308, 101–116 (2006).

    ADS 

    Google Scholar 

  • Cottier, F. R., Tarling, G. A., Wold, A. & Falk-Petersen, S. Unsynchronized and synchronized vertical migration of zooplankton in a high arctic fjord. Limnol. Oceanogr. 51, 2586–2599 (2006).

    ADS 

    Google Scholar 

  • Hobbs, L. et al. A marine zooplankton community vertically structured by light across diel to interannual timescales. Biol Lett 17, 20200810 (2021).

    PubMed 
    PubMed Central 

    Google Scholar 

  • Wallace, M. I. et al. Comparison of zooplankton vertical migration in an ice-free and a seasonally ice-covered Arctic fjord: An insight into the influence of sea ice cover on zooplankton behavior. Limnol. Oceanogr. 55, 831–845 (2010).

    ADS 

    Google Scholar 

  • Bandara, K. et al. Seasonal vertical strategies in a high-Arctic coastal zooplankton community. Mar. Ecol. Prog. Ser. 555, 49–64 (2016).

    ADS 

    Google Scholar 

  • Rabindranath, A. et al. Seasonal and diel vertical migration of zooplankton in the High Arctic during the autumn midnight sun of 2008. Mar. Biodivers. 41, 365–382 (2011).

    Google Scholar 

  • Piwosz, K. et al. Comparison of productivity and phytoplankton in a warm (Kongsfjorden) and a cold (Hornsund) Spitsbergen fjord in mid-summer 2002. Polar Biol. 32, 549–559 (2009).

    Google Scholar 

  • Frank, T. M. & Widder, E. A. Effects of a decrease in downwelling irradiance on the daytime vertical distribution patterns of zooplankton and micronekton. Mar. Biol. 140, 1181–1193 (2002).

    Google Scholar 

  • Ortega, J. C. G., Figueiredo, B. R. S., da Graça, W. J., Agostinho, A. A. & Bini, L. M. Negative effect of turbidity on prey capture for both visual and non-visual aquatic predators. J. Anim. Ecol. 89, 2427–2439. https://doi.org/10.1111/1365-2656.13329 (2020).

    Article 
    PubMed 

    Google Scholar 

  • Aksnes, D. et al. Coastal water darkening and implications for mesopelagic regime shifts in Norwegian fjords. Mar. Ecol. Prog. Ser. 387, 39–49 (2009).

    ADS 
    CAS 

    Google Scholar 

  • Urbanski, J. A. et al. Subglacial discharges create fluctuating foraging hotspots for sea birds in tidewater glacier bays. Sci. Rep. 7, 1–12 (2017).

    Google Scholar 

  • Weslawski, J. M., Pedersen, G., Petersen, S. F. & Porazinski, K. Entrapment of macroplankton in an Arctic fjord basin, Kongsfjorden, Svalbard. Oceanologia 42, 1 (2000).

    Google Scholar 

  • Berge, J. et al. Arctic complexity: A case study on diel vertical migration of zooplankton. J. Plankton Res. 36, 1279–1297 (2014).

    PubMed 
    PubMed Central 

    Google Scholar 

  • Darnis, G. et al. From polar night to midnight sun: Diel vertical migration, metabolism and biogeochemical role of zooplankton in a high Arctic fjord (Kongsfjorden, Svalbard). Limnol. Oceanogr. 62, 1586–1605 (2017).

    ADS 
    CAS 

    Google Scholar 

  • Descamps, S. et al. Climate change impacts on wildlife in a High Arctic archipelago – Svalbard, Norway. Glob. Chang Biol. 23, 490–502 (2017).

    ADS 
    PubMed 

    Google Scholar 

  • Cottier, F. R. et al. Arctic fjords: A review of the oceanographic environment and dominant physical processes. Geol. Soc. Spec. Publ. 344, 35–50 (2010).

    ADS 

    Google Scholar 

  • Inall, M. E., Nilsen, F., Cottier, F. R. & Daae, R. Shelf/fjord exchange driven by coastal-trapped waves in the Arctic. J. Geophys. Res. Oceans 120, 8283–8303 (2015).

    ADS 

    Google Scholar 

  • Promińska, A., Cisek, M. & Walczowski, W. Kongsfjorden and Hornsund hydrography—Comparative study based on a multiyear survey in fjords of west Spitsbergen. Oceanologia 59, 397–412 (2017).

    Google Scholar 

  • Agrawal, Y. C. & Pottsmith, H. C. Instruments for particle size and settling velocity observations in sediment transport. Mar. Geol. 168, 89–114 (2000).

    ADS 

    Google Scholar 

  • Basedow, S. L., Tande, K. S. & Zhou, M. Biovolume spectrum theories applied: Spatial patterns of trophic levels within a mesozooplankton community at the polar front. J. Plankton Res. 32, 1105–1119 (2010).

    PubMed 

    Google Scholar 

  • Trudnowska, E., Basedow, S. L. & Blachowiak-Samolyk, K. Mid-summer mesozooplankton biomass, its size distribution, and estimated production within a glacial Arctic fjord (Hornsund, Svalbard). J. Mar. Syst. 137, 55–66 (2014).

    Google Scholar 

  • Jakubas, D. et al. Foraging closer to the colony leads to faster growth in little auks. Mar. Ecol. Prog. Ser. 489, 263–278 (2013).

    ADS 

    Google Scholar 

  • Basedow, S. L., Tande, K. S., Norrbin, M. F. & Kristiansen, S. A. Capturing quantitative zooplankton information in the sea: Performance test of laser optical plankton counter and video plankton recorder in a Calanus finmarchicus dominated summer situation. Prog. Oceanogr. 108, 72–80 (2013).

    ADS 

    Google Scholar 

  • Woźniak, S. B., Darecki, M., Zabłocka, M., Burska, D. & Dera, J. New simple statistical formulas for estimating surface concentrations of suspended particulate matter (SPM) and particulate organic carbon (POC) from remote-sensing reflectance in the southern Baltic Sea. Oceanologia 58, 161–175 (2016).

    Google Scholar 

  • Marker, A. The measurement of photosynthetic pigments in freshwaters and standardization of methods : Conclusions and recommendations. Arch. Hydrobiol. Beih 14, 91–106 (1980).

    CAS 

    Google Scholar 

  • Stramska, M. Bio-optical relationships and ocean color algorithms for the north polar region of the Atlantic. J. Geophys. Res. 108, 3143 (2003).

    ADS 

    Google Scholar 

  • Picheral, M. et al. The Underwater Vision Profiler 5: An advanced instrument for high spatial resolution studies of particle size spectra and zooplankton. Limnol. Oceanogr. Methods 8, 462–473 (2010).

    Google Scholar 

  • Gabrielsen, T. M. et al. Potential misidentifications of two climate indicator species of the marine arctic ecosystem: Calanus glacialis and C. finmarchicus. Polar Biol. 35, 1621–1628 (2012).

    Google Scholar 

  • Trudnowska, E. et al. In a comfort zone and beyond—Ecological plasticity of key marine mediators. Ecol. Evol. 10, 14067–14081 (2020).

    PubMed 
    PubMed Central 

    Google Scholar 

  • Jakobsson, M. et al. The International Bathymetric Chart of the Arctic Ocean version 4.0. Sci Data 7, 1–14 (2020).

    Google Scholar 

  • van Rossum, G. & Drake, F. L. Python 3 Reference Manual. Preprint (2009).

  • Caswell, T. A. et al. matplotlib/matplotlib: REL: v3.1.1. https://doi.org/10.5281/ZENODO.3264781 (2019).

  • Hunter, J. D. Matplotlib: A 2D graphics environment. Comput. Sci. Eng. 9, 90–95 (2007).

    Google Scholar 

  • Mckinney, W. Data Structures for Statistical Computing in Python. (2010).

  • Reback, J. et al. pandas-dev/pandas: Pandas 1.0.5. https://doi.org/10.5281/ZENODO.3898987 (2020).

  • Pond, S. & Pickard, G. L. Introductory dynamical oceanography. 2nd Ed. (1983).

  • Mojica, K. D. A. et al. Phytoplankton community structure in relation to vertical stratification along a north-south gradient in the Northeast Atlantic Ocean. Limnol. Oceanogr. 60, 1498–1521 (2015).

    ADS 

    Google Scholar 

  • Anderson, M. J., Gorley, R. N. & Clarke, K. R. PERMANOVA+ for PRIMER: Guide to Software and Statistical Methods. http://www.primer-e.com (2008).

  • Clarke, K. R. & Gorley, R. N. Getting Started with PRIMER v7 Plymouth Routines in Multivariate Ecological Research. www.primer-e.com (2015).

  • Virtanen, P. et al. SciPy 1.0: Fundamental algorithms for scientific computing in Python. Nat. Methods 17, 261–272 (2020).

  • Terpilowski, M. scikit-posthocs: Pairwise multiple comparison tests in Python. J. Open Source Softw. 4, 1169 (2019).

    ADS 

    Google Scholar 

  • Alcaraz, M. et al. The role of arctic zooplankton in biogeochemical cycles: Respiration and excretion of ammonia and phosphate during summer. Polar Biol. 33, 1719–1731 (2010).

    Google Scholar 

  • Soviadan, Y. D. et al. Patterns of mesozooplankton community composition and vertical fluxes in the global ocean. Prog. Oceanogr. 200, 102717 (2022).

    Google Scholar 

  • Falk-Petersen, S. et al. Vertical migration in high Arctic waters during autumn 2004. Deep Sea Res. 2 Top. Stud. Oceanogr. 55, 2275–2284 (2008).

    Google Scholar 

  • Lane, P. V. Z., Llinás, L., Smith, S. L. & Pilz, D. Zooplankton distribution in the western Arctic during summer 2002: Hydrographic habitats and implications for food chain dynamics. J. Mar. Syst. 70, 97–133 (2008).

    Google Scholar 

  • Kulk, G., Poll, W. H. & Buma, A. G. J. Photophysiology of nitrate limited phytoplankton communities in Kongsfjorden, Spitsbergen. Limnol. Oceanogr. 63, 2606–2617 (2018).

    ADS 
    CAS 

    Google Scholar 

  • Moskalik, M. et al. Spatiotemporal changes in the concentration and composition of suspended particulate matter in front of Hansbreen, a tidewater glacier in Svalbard. Oceanologia 60, 446–463 (2018).

    Google Scholar 

  • Svendsen, H. et al. The physical environment of Kongsfjorden-Krossfjorden, an Arctic fjord system in Svalbard. Polar Res. 21, 133–166 (2002).

    Google Scholar 

  • Chiswell, S. M., Calil, P. H. R. & Boyd, P. W. Spring blooms and annual cycles of phytoplankton: A unified perspective. J. Plankton Res. 37, 500–508 (2015).

    Google Scholar 

  • Kaartvedt, S., Melle, W., Knutsen, T. & Skjoldal, H. Vertical distribution of fish and krill beneath water of varying optical properties. Mar. Ecol. Prog. Ser. 136, 51–58 (1996).

    ADS 

    Google Scholar 

  • Schmid, M. S., Maps, F. & Fortier, L. Lipid load triggers migration to diapause in Arctic Calanus copepods—Insights from underwater imaging. J. Plankton Res. 40, 311–325 (2018).

    CAS 

    Google Scholar 

  • Campbell, R. G. et al. Mesozooplankton prey preference and grazing impact in the western Arctic Ocean. Deep Sea Res. 2 Top. Stud. Oceanogr. 56, 1274–1289 (2009).

    Google Scholar 

  • Hirche, H. J. Diapause in the marine copepod, calanus finmarchicus—A review. Ophelia 44, 129–143 (1996).

    Google Scholar 

  • Pedersen, S. A. & Smidt, E. L. B. Zooplankton Investigations Off West Greenland, 1956–1984. (ICES, 1995).

  • Reiner Vonnahme, T. et al. Early spring subglacial discharge plumes fuel under-ice primary production at a Svalbard tidewater glacier. Cryosphere 15, 2083–2107 (2021).

    ADS 

    Google Scholar 

  • Majaneva, S. et al. Aggregations of predators and prey affect predation impact of the Arctic ctenophore Mertensia ovum. Mar. Ecol. Prog. Ser. 476, 87–100 (2013).

    ADS 

    Google Scholar 

  • Purcell, J. E., Hopcroft, R. R., Kosobokova, K. N. & Whitledge, T. E. Distribution, abundance, and predation effects of epipelagic ctenophores and jellyfish in the western Arctic Ocean. Deep Sea Res. 2 Top Stud Oceanogr 57, 127–135 (2010).

    Google Scholar 

  • Condon, R. H. et al. Questioning the rise of gelatinous zooplankton in the world’s oceans. Bioscience 62, 160–169 (2012).

    Google Scholar 

  • Balazy, K., Trudnowska, E. & Błachowiak-Samołyk, K. Dynamics of Calanus copepodite structure during little Auks’ breeding seasons in two different Svalbard locations. Water (Basel) 11, 1405 (2019).

    CAS 

    Google Scholar 

  • Karnovsky, N. J. & Hunt, G. L. Estimation of carbon flux to dovekies (Alle alle) in the North Water. Deep Sea Res. 2 Top. Stud. Oceanogr. 49, 5117–5130 (2002).

    CAS 

    Google Scholar 

  • Renaud, P. E. et al. Is the poleward expansion by Atlantic cod and haddock threatening native polar cod, Boreogadus saida?. Polar Biol. 35, 401–412. https://doi.org/10.1007/s00300-011-1085-z (2012).

    Article 

    Google Scholar 

  • Szeligowska, M. et al. Spatial patterns of particles and plankton in the warming Arctic Fjord (Isfjorden, West Spitsbergen) in seven consecutive mid-summers (2013–2019). Front. Mar. Sci. 7, 584 (2020).

    Google Scholar 


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