Export of Algal Biomass from the Melting Arctic Sea Ice.

Boetius, A., Albrecht, S., Bakker, K., Bienhold, C., Felden, J., Fernandez-Mendez, M., Hendricks, S., Katlein, C., Lalande, C., Krumpen, T., Nicolaus, M., Peeken, I., Rabe, B., Rogacheva, A., Rybakova, E., Somavilla, R. and Wenzhofer, F. and RV Polarstern ARK27-3-Shipboard Science Party (2013) Export of Algal Biomass from the Melting Arctic Sea Ice. Science, 339 (6126). pp. 1430-1432. DOI 10.1126/science.1231346.

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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.

Document Type: Article
Keywords: RV Polarstern ; ARK-XXVII/3
Refereed: Yes
Open Access Journal?: No
Publisher: American Association for the Advancement of Science (AAAS)
Projects: Transdrift, Laptev Sea System
Date Deposited: 04 Sep 2014 07:29
Last Modified: 04 Sep 2014 07:29
URI: https://oceanrep.geomar.de/id/eprint/25567

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