气候变化领域集成服务门户(CCPortal): Trophic pyramids reorganize when food web architecture fails to adjust to ocean change

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DOI	10.1126/science.aax0621
	Trophic pyramids reorganize when food web architecture fails to adjust to ocean change
	Nagelkerken I.; Goldenber S.U.; Ferreir C.M.; Ullah H.; Conne S.D.
发表日期	2020
ISSN	0036-8075
起始页码	829
结束页码	832
卷号	369 期号:6505
英文摘要	As human activities intensify, the structures of ecosystems and their food webs often reorganize. Through the study of mesocosms harboring a diverse benthic coastal community, we reveal that food web architecture can be inflexible under ocean warming and acidification and unable to compensate for the decline or proliferation of taxa. Key stabilizing processes, including functional redundancy, trophic compensation, and species substitution, were largely absent under future climate conditions. A trophic pyramid emerged in which biomass expanded at the base and top but contracted in the center. This structure may characterize a transitionary state before collapse into shortened, bottom-heavy food webs that characterize ecosystems subject to persistent abiotic stress. We show that where food web architecture lacks adjustability, the adaptive capacity of ecosystems to global change is weak and ecosystem degradation likely. © 2020 American Association for the Advancement of Science. All rights reserved.
英文关键词	abiotic factor; anthropogenic effect; benthos; bioenergetics; coastal zone; food web; global change; human activity; marine ecosystem; ocean acidification; trophic cascade; abiotic stress; acidification; architecture; Article; biomass; climate; climate change; consumer; degradation; ecosystem; environmental aspects and related phenomena; food web; priority journal; sea; trophic pyramid; warming; animal; chemistry; food chain; greenhouse effect; pH; sea; acid; Acids; Animals; Food Chain; Global Warming; Hydrogen-Ion Concentration; Oceans and Seas
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/244856
作者单位	Southern Seas Ecology Laboratories, School of Biological Sciences and the Environment Institute, DX 650 418, University of Adelaide, Adelaide, SA 5005, Australia; GEOMAR Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, Kiel, 24105, Germany
推荐引用方式 GB/T 7714	Nagelkerken I.,Goldenber S.U.,Ferreir C.M.,et al. Trophic pyramids reorganize when food web architecture fails to adjust to ocean change[J],2020,369(6505).
APA	Nagelkerken I.,Goldenber S.U.,Ferreir C.M.,Ullah H.,&Conne S.D..(2020).Trophic pyramids reorganize when food web architecture fails to adjust to ocean change.Science,369(6505).
MLA	Nagelkerken I.,et al."Trophic pyramids reorganize when food web architecture fails to adjust to ocean change".Science 369.6505(2020).