Unexpected Levels of Biological Activity during the Polar Night Offer New Perspectives on a Warming Arctic. Berge, J., Daase, M., Renaud, P., Ambrose Jr., W., Darnis, G., Last, K., Leu, E., Cohen, J., Johnsen, G., Moline, M., Cottier, F., Varpe, Ø., Shunatova, N., Bałazy, P., Morata, N., Massabuau, J., Falk-Petersen, S., Kosobokova, K., Hoppe, C. M., Węsławski, J., Kukliński, P., Legeżyńska, J., Nikishina, D., Cusa, M., Kędra, M., Włodarska-Kowalczuk, M., Vogedes, D., Camus, L., Tran, D., Michaud, E., Gabrielsen, T., Granovitch, A., Gonchar, A., Krapp, R., & Callesen, T. Current Biology, 25(19):2555--2561, 2015. ![Unexpected Levels of Biological Activity during the Polar Night Offer New Perspectives on a Warming Arctic [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Summary The current understanding of Arctic ecosystems is deeply rooted in the classical view of a bottom-up controlled system with strong physical forcing and seasonality in primary-production regimes. Consequently, the Arctic polar night is commonly disregarded as a time of year when biological activities are reduced to a minimum due to a reduced food supply. Here, based upon a multidisciplinary ecosystem-scale study from the polar night at 79°N, we present an entirely different view. Instead of an ecosystem that has entered a resting state, we document a system with high activity levels and biological interactions across most trophic levels. In some habitats, biological diversity and presence of juvenile stages were elevated in winter months compared to the more productive and sunlit periods. Ultimately, our results suggest a different perspective regarding ecosystem function that will be of importance for future environmental management and decision making, especially at a time when Arctic regions are experiencing accelerated environmental change [1].
@article{berge_unexpected_2015,
title = {Unexpected {Levels} of {Biological} {Activity} during the {Polar} {Night} {Offer} {New} {Perspectives} on a {Warming} {Arctic}},
volume = {25},
issn = {0960-9822},
url = {http://www.sciencedirect.com/science/article/pii/S0960982215009951},
doi = {10.1016/j.cub.2015.08.024},
abstract = {Summary
The current understanding of Arctic ecosystems is deeply rooted in the classical view of a bottom-up controlled system with strong physical forcing and seasonality in primary-production regimes. Consequently, the Arctic polar night is commonly disregarded as a time of year when biological activities are reduced to a minimum due to a reduced food supply. Here, based upon a multidisciplinary ecosystem-scale study from the polar night at 79°N, we present an entirely different view. Instead of an ecosystem that has entered a resting state, we document a system with high activity levels and biological interactions across most trophic levels. In some habitats, biological diversity and presence of juvenile stages were elevated in winter months compared to the more productive and sunlit periods. Ultimately, our results suggest a different perspective regarding ecosystem function that will be of importance for future environmental management and decision making, especially at a time when Arctic regions are experiencing accelerated environmental change [1].},
number = {19},
urldate = {2015-09-29TZ},
journal = {Current Biology},
author = {Berge, Jørgen and Daase, Malin and Renaud, Paul E. and Ambrose Jr., William G. and Darnis, Gerald and Last, Kim S. and Leu, Eva and Cohen, Jonathan H. and Johnsen, Geir and Moline, Mark A. and Cottier, Finlo and Varpe, Øystein and Shunatova, Natalia and Bałazy, Piotr and Morata, Nathalie and Massabuau, Jean-Charles and Falk-Petersen, Stig and Kosobokova, Ksenia and Hoppe, Clara J. M. and Węsławski, Jan Marcin and Kukliński, Piotr and Legeżyńska, Joanna and Nikishina, Daria and Cusa, Marine and Kędra, Monika and Włodarska-Kowalczuk, Maria and Vogedes, Daniel and Camus, Lionel and Tran, Damien and Michaud, Emma and Gabrielsen, Tove M. and Granovitch, Andrei and Gonchar, Anya and Krapp, Rupert and Callesen, Trine A.},
year = {2015},
keywords = {ACL, E3},
pages = {2555--2561}
}
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