globalchange  > 气候变化与战略
DOI: 10.1111/ele.13469
论文题名:
Evolutionary temperature compensation of carbon fixation in marine phytoplankton
作者: Barton S.; Jenkins J.; Buckling A.; Schaum C.-E.; Smirnoff N.; Raven J.A.; Yvon-Durocher G.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:4
语种: 英语
英文关键词: climate change ; evolutionary ecology ; metabolism ; phytoplankton physiology ; thermal performance curves
Scopus关键词: carbon ; carbon cycle ; greenhouse effect ; photosynthesis ; phytoplankton ; temperature ; Carbon ; Carbon Cycle ; Global Warming ; Photosynthesis ; Phytoplankton ; Temperature
英文摘要: The efficiency of carbon sequestration by the biological pump could decline in the coming decades because respiration tends to increase more with temperature than photosynthesis. Despite these differences in the short-term temperature sensitivities of photosynthesis and respiration, it remains unknown whether the long-term impacts of global warming on metabolic rates of phytoplankton can be modulated by evolutionary adaptation. We found that respiration was consistently more temperature dependent than photosynthesis across 18 diverse marine phytoplankton, resulting in universal declines in the rate of carbon fixation with short-term increases in temperature. Long-term experimental evolution under high temperature reversed the short-term stimulation of metabolic rates, resulting in increased rates of carbon fixation. Our findings suggest that thermal adaptation may therefore have an ameliorating impact on the efficiency of phytoplankton as primary mediators of the biological carbon pump. © 2020 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158505
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作者单位: Environment and Sustainability Institute, University of Exeter, Penryn Campus, Penryn, Cornwall, TR10 9FE, United Kingdom; Institute for Hydrobiology and Fisheries, Section Oceanography, Hamburg University, Hamburg, 22767, Germany; Biosciences, College of Life and Environmental Sciences, Geoffrey Pope Building University of Exeter, Exeter, EX4 4QD, United Kingdom; Division of Plant Science, University of Dundee at the James Hutton Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom; Climate Change Cluster, University of Technology Sydney, Ultimo, NSW 2007, Australia; School of Biology, University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia

Recommended Citation:
Barton S.,Jenkins J.,Buckling A.,et al. Evolutionary temperature compensation of carbon fixation in marine phytoplankton[J]. Ecology Letters,2020-01-01,23(4)
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