DOI: 10.1111/gcb.13891
Scopus记录号: 2-s2.0-85040594590
论文题名: Climate change alters stability and species potential interactions in a large marine ecosystem
作者: Griffith G.P. ; Strutton P.G. ; Semmens J.M.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期: 1 起始页码: e90
结束页码: e100
语种: 英语
英文关键词: biodiversity
; climate change
; fisheries
; marine conservation
; marine ecosystems
; ocean warming
; species interactions
Scopus关键词: biodiversity
; climate change
; conservation
; fishery production
; interspecific interaction
; marine ecosystem
; sea surface temperature
; warming
; Australia
; Scombridae
; Xiphiidae
; animal
; Australia
; classification
; climate change
; ecosystem
; fish
; fishery
; human
; physiology
; population dynamics
; Animals
; Australia
; Climate Change
; Ecosystem
; Fisheries
; Fishes
; Humans
; Population Dynamics
英文摘要: We have little empirical evidence of how large-scale overlaps between large numbers of marine species may have altered in response to human impacts. Here, we synthesized all available distribution data (>1 million records) since 1992 for 61 species of the East Australian marine ecosystem, a global hot spot of ocean warming and continuing fisheries exploitation. Using a novel approach, we constructed networks of the annual changes in geographical overlaps between species. Using indices of changes in species overlap, we quantified changes in the ecosystem stability, species robustness, species sensitivity and structural keystone species. We then compared the species overlap indices with environmental and fisheries data to identify potential factors leading to the changes in distributional overlaps between species. We found that the structure of the ecosystem has changed with a decrease in asymmetrical geographical overlaps between species. This suggests that the ecosystem has become less stable and potentially more susceptible to environmental perturbations. Most species have shown a decrease in overlaps with other species. The greatest decrease in species overlap robustness and sensitivity to the loss of other species has occurred in the pelagic community. Some demersal species have become more robust and less sensitive. Pelagic structural keystone species, predominately the tunas and billfish, have been replaced by demersal fish species. The changes in species overlap were strongly correlated with regional oceanographic changes, in particular increasing ocean warming and the southward transport of warmer and saltier water with the East Australian Current, but less correlated with fisheries catch. Our study illustrates how large-scale multispecies distribution changes can help identify structural changes in marine ecosystems associated with climate change. © 2017 John Wiley & Sons Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110629
Appears in Collections: 影响、适应和脆弱性 气候变化事实与影响
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作者单位: Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia; Norwegian Polar Institute, Tromsø, Norway; Australian Research Council Centre of Excellence for Climate System Science, University of Tasmania, Hobart, TAS, Australia
Recommended Citation:
Griffith G.P.,Strutton P.G.,Semmens J.M.. Climate change alters stability and species potential interactions in a large marine ecosystem[J]. Global Change Biology,2018-01-01,24(1)