globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.12794
论文题名:
The Southern Ocean ecosystem under multiple climate change stresses - an integrated circumpolar assessment
作者: Gutt J.; Bertler N.; Bracegirdle T.J.; Buschmann A.; Comiso J.; Hosie G.; Isla E.; Schloss I.R.; Smith C.R.; Tournadre J.; Xavier J.C.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2015
卷: 21, 期:4
起始页码: 1434
结束页码: 1453
语种: 英语
英文关键词: Acidification ; Habitats ; Ice-shelves ; Icebergs ; Ozone depletion ; Sea-ice ; Warming
Scopus关键词: acidification ; biota ; climate change ; habitat ; iceberg ; marine ecosystem ; ozone depletion ; sea ice ; warming ; Antarctica ; Southern Ocean ; Antarctica ; climate change ; ecosystem ; ice cover ; sea ; Antarctic Regions ; Climate Change ; Ecosystem ; Ice Cover ; Oceans and Seas
英文摘要: A quantitative assessment of observed and projected environmental changes in the Southern Ocean (SO) with a potential impact on the marine ecosystem shows: (i) large proportions of the SO are and will be affected by one or more climate change processes; areas projected to be affected in the future are larger than areas that are already under environmental stress, (ii) areas affected by changes in sea-ice in the past and likely in the future are much larger than areas affected by ocean warming. The smallest areas (<1% area of the SO) are affected by glacier retreat and warming in the deeper euphotic layer. In the future, decrease in the sea-ice is expected to be widespread. Changes in iceberg impact resulting from further collapse of ice-shelves can potentially affect large parts of shelf and ephemerally in the off-shore regions. However, aragonite undersaturation (acidification) might become one of the biggest problems for the Antarctic marine ecosystem by affecting almost the entire SO. Direct and indirect impacts of various environmental changes to the three major habitats, sea-ice, pelagic and benthos and their biota are complex. The areas affected by environmental stressors range from 33% of the SO for a single stressor, 11% for two and 2% for three, to <1% for four and five overlapping factors. In the future, areas expected to be affected by 2 and 3 overlapping factors are equally large, including potential iceberg changes, and together cover almost 86% of the SO ecosystem. © 2014 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/61931
Appears in Collections:影响、适应和脆弱性

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作者单位: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Alten Hafen 26, Bremerhaven, Germany; Joint Antarctic Research Institute, Victoria University of Wellington and GNS Science, Wellington, New Zealand; British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom; Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, United States; Scott Polar Research Institute, SCAR Life Science, Lensfield Road, Cambridge, United Kingdom; Institut de Ciències del Mar-CSIC, Passeig Marítim de la Barceloneta, 37-49, Barcelona, Spain; Instituto Antártico Argentino, Ciudad Autónoma de Buenos Aires and CONICET, Balcarce 290 (C1064AAF), Argentina; Argentina and Institut des sciences de la mer de Rimouski, 310 Allée des Ursulines, Rimouski, QC, Canada; Department of Oceanography, University of Hawaii at Manoa, 1000 Pope Road, Honolulu, HI, United States; Laboratoire d'Océanographie Spatiale, IFREMER, ZI de la Pointe du Diable, Plouzané, CS, France; Institute of Marine Research, Department of Life Sciences, University of Coimbra, Coimbra, Portugal

Recommended Citation:
Gutt J.,Bertler N.,Bracegirdle T.J.,et al. The Southern Ocean ecosystem under multiple climate change stresses - an integrated circumpolar assessment[J]. Global Change Biology,2015-01-01,21(4)
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