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Export of algal biomass from the melting Arctic Sea ice
Boetius, A.; Albrecht, S.; Bakker, K.; Bienhold, C.; Felden, J.; Fernández-Méndez, M.; Hendricks, S.; Katlein, C.; Lalande, C.; Krumpen, T.; Nicolaus, M.; Peeken, I.; Rabe, B.; Rogacheva, A.; Rybakova, E.; Somavilla, R.; Wenzhöfer, F.; Shipboard Science Party (2013). Export of algal biomass from the melting Arctic Sea ice. Science (Wash.) 339(6126): 1430-1432. hdl.handle.net/10.1126/science.1231346
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075; e-ISSN 1095-9203, meer
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Auteurs  Top 
  • Boetius, A., meer
  • Albrecht, S.
  • Bakker, K., meer
  • Bienhold, C.
  • Felden, J.
  • Fernández-Méndez, M.
  • Hendricks, S.
  • Katlein, C.
  • Lalande, C.
  • Krumpen, T.
  • Nicolaus, M.
  • Peeken, I.
  • Rabe, B.
  • Rogacheva, A.
  • Rybakova, E.
  • Somavilla, R.
  • Wenzhöfer, F.
  • Shipboard Science Party

Abstract
    In the Arctic, under-ice primary production is limited to summer months and is restricted not only by ice thickness and snow cover but also by the stratification of the water column, which constrains nutrient supply for algal growth. Research Vessel Polarstern visited the ice-covered eastern-central basins between 82° to 89°N and 30° to 130°E in summer 2012, when Arctic sea ice declined to a record minimum. During this cruise, we observed a widespread deposition of ice algal biomass of on average 9 grams of carbon per square meter to the deep-sea floor of the central Arctic basins. Data from this cruise will contribute to assessing the effect of current climate change on Arctic productivity, biodiversity, and ecological function.

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