Affiliation:
1. Department of Earth System Science, Stanford University, Stanford, CA 94305, USA.
Abstract
Food for thought
Phytoplankton abundances in the Arctic Ocean have been increasing over recent decades as the region has warmed and sea ice has disappeared. The presumptive causes of this increase were expanding open water area and a longer growing season—at least until now. Lewis
et al.
show that although these factors may have driven the productivity trends before, over the past decade, phytoplankton primary production rose by more than half because of increased phytoplankton concentrations (see the Perspective by Babin). This finding means that there has been an influx of new nutrients into the region, suggesting that the Arctic Ocean could become more productive and export additional carbon in the future.
Science
, this issue p.
198
; see also p.
137
Funder
National Science Foundation
National Aeronautics and Space Administration
Publisher
American Association for the Advancement of Science (AAAS)
Reference44 articles.
1. T. F. Stocker D. Qin G.-K. Plattner M. Tignor S. K. Allen J. Boschung A. Nauels Y. Xia V. Bex P. M. Midgley Eds. Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge Univ. Press 2013).
2. Continued increases in Arctic Ocean primary production
3. Secular trends in Arctic Ocean net primary production
4. Are phytoplankton blooms occurring earlier in the Arctic?
5. Modeling the impact of declining sea ice on the Arctic marine planktonic ecosystem
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