globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.12894
论文题名:
Evidence of climate-driven ecosystem reorganization in the Gulf of Mexico
作者: Karnauskas M.; Schirripa M.J.; Craig J.K.; Cook G.S.; Kelble C.R.; Agar J.J.; Black B.A.; Enfield D.B.; Lindo-Atichati D.; Muhling B.A.; Purcell K.M.; Richards P.M.; Wang C.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2015
卷: 21, 期:7
起始页码: 2554
结束页码: 2568
语种: 英语
英文关键词: Atlantic multidecadal oscillation ; Fisheries management ; Human dimension ; Indicator ; Large marine ecosystem ; Regime shift
Scopus关键词: anthropogenic effect ; Atlantic Multidecadal Oscillation ; climate change ; ecosystem dynamics ; fishery management ; marine ecosystem ; Atlantic Ocean ; Gulf of Mexico
英文摘要: The Gulf of Mexico is one of the most ecologically and economically valuable marine ecosystems in the world and is affected by a variety of natural and anthropogenic phenomena including climate, hurricanes, coastal development, agricultural runoff, oil spills, and fishing. These complex and interacting stressors, together with the highly dynamic nature of this ecosystem, present challenges for the effective management of its resources. We analyze a compilation of over 100 indicators representing physical, biological, and economic aspects of the Gulf of Mexico and find that an ecosystem-wide reorganization occurred in the mid-1990s. Further analysis of fishery landings composition data indicates a major shift in the late 1970s coincident with the advent of US national fisheries management policy, as well as significant shifts in the mid-1960s and the mid-1990s. These latter shifts are aligned temporally with changes in a major climate mode in the Atlantic Ocean: the Atlantic Multidecadal Oscillation (AMO). We provide an explanation for how the AMO may drive physical changes in the Gulf of Mexico, thus altering higher-level ecosystem dynamics. The hypotheses presented here should provide focus for further targeted studies, particularly in regard to whether and how management should adjust to different climate regimes or states of nature. Our study highlights the challenges in understanding the effects of climatic drivers against a background of multiple anthropogenic pressures, particularly in a system where these forces interact in complex and nonlinear ways. © 2015 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/61726
Appears in Collections:影响、适应和脆弱性

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作者单位: Southeast Fisheries Science Center, National Marine Fisheries Service, 75 Virginia Beach Drive, Miami, FL, United States; Southeast Fisheries Science Center, National Marine Fisheries Service, 101 Pivers Island Road, Beaufort, NC, United States; Atlantic Meteorological and Oceanographic Laboratory, Office of Oceanic and Atmospheric Research, 4301 Rickenbacker Causeway, Miami, FL, United States; Rosenstiel School of Marine and Atmospheric Science, Cooperative Institute for Marine and Atmospheric Studies, University of Miami, 4600 Rickenbacker Causeway, Miami, FL, United States; Marine Science Institute, University of Texas, 750 Channel View Drive, Port Aransas, TX, United States

Recommended Citation:
Karnauskas M.,Schirripa M.J.,Craig J.K.,et al. Evidence of climate-driven ecosystem reorganization in the Gulf of Mexico[J]. Global Change Biology,2015-01-01,21(7)
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