Marine Pelagic Ecosystem Responses to Climate Variability and Change
Marine Pelagic Ecosystem Responses to Climate Variability and Change
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DOI：
10.1093/biosci/biac050
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发表时间：
2022-08-16
期刊：
影响因子：
10.1
通讯作者：
Sosik, Heidi M.
中科院分区：
文献类型：
--
作者：
Ducklow, Hugh;Cimino, Megan;Sosik, Heidi M.
沿海地区仅占全球海洋总面积的10%，但却贡献了近20%的初级生产力和80%以上的渔业上岸量。单细胞浮游植物在初级生产中占主导地位。气候变化对各种海洋生态系统产生了影响，但大多数地点刚刚接近可以区分对长期单向气候趋势的生态反应的时代。美国长期生态研究 (LTER) 网络中的所有五个海洋中上层地点都出现了地表气温变暖的趋势。所有地点的海洋物理系统都在做出反应，混合层温度不断增加，深度不断减少，两个极地的海冰覆盖面积不断减少。他们的生态反应更加多样化。一些地点显示出多种人口或生态系统的变化，而在其他地点，尚未检测到变化，要么是因为需要更多时间，要么是因为没有进行测量。
The marine coastal region makes up just 10% of the total area of the global ocean but contributes nearly 20% of its total primary production and over 80% of fisheries landings. Unicellular phytoplankton dominate primary production. Climate variability has had impacts on various marine ecosystems, but most sites are just approaching the age at which ecological responses to longer term, unidirectional climate trends might be distinguished. All five marine pelagic sites in the US Long Term Ecological Research (LTER) network are experiencing warming trends in surface air temperature. The marine physical system is responding at all sites with increasing mixed layer temperatures and decreasing depth and with declining sea ice cover at the two polar sites. Their ecological responses are more varied. Some sites show multiple population or ecosystem changes, whereas, at others, changes have not been detected, either because more time is needed or because they are not being measured.