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题名: The response of benthic macroinvertebrate communities to climate change: evidence from subtropical mountain streams in Central China
作者: Li, Fengqing1; Cai, Qinghua1; Jiang, Wanxiang1; Qu, Xiaodong1
通讯作者: Cai, QH (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China.
关键词: climate change ; north subtropical monsoon ; ENSO ; water temperature ; water flow ; benthic macroinvertebrate ; biodiversity
刊名: INTERNATIONAL REVIEW OF HYDROBIOLOGY
发表日期: 2012-06-01
DOI: 10.1002/iroh.201111489
卷: 97, 期:3, 页:200-214
收录类别: SCI
文章类型: Article
部门归属: [Li, Fengqing; Cai, Qinghua; Jiang, Wanxiang; Qu, Xiaodong] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China[40911130508]
类目[WOS]: Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: Ecological effects of climate change on terrestrial and marine ecosystems are increasingly apparent but evidence from freshwater is scarce, particularly in Asia. Using data from two subtropical Central China streams, we predicted the changes of some benthic macroinvertebrate communities under various climatic scenarios. Our results show that the average annual air temperature, in the study watershed, increased significantly (P < 0.05) by 0.6 degrees C over the last 30 years (19782007), whereas the average annual water flow declined by 30.9 m3 s1. Based on the winter sampling of benthic macroinvertebrates at four stream locations over last six years, we observed that macroinvertebrate abundance and Margalef diversity dropped with increasing water temperatures or decreasing smoothed sea surface temperatures (SSST). The winter macroinvertebrate abundance and biodiversity declined by 11.1% and 6.8% for every 1 degrees C water temperature rise. In contrast, increases in future SSST by one unit would increase winter macroinvertebrate abundance and biodiversity by 38.2% and 16.0%, respectively. Although many dominant taxa were predicted to persist when water temperatures increase by 1 degrees C, several scarce taxa, e.g., Orthocladius clarkei and Hippeutis umbilicalis, could be at a level of potential local extinction. Our identification of these links, between climate change and stream macroinvertebrate communities, has wide implications for the conservation of mountain stream ecosystems in the upper Yangtze River under scenarios of climate change. ((c) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
英文摘要: Ecological effects of climate change on terrestrial and marine ecosystems are increasingly apparent but evidence from freshwater is scarce, particularly in Asia. Using data from two subtropical Central China streams, we predicted the changes of some benthic macroinvertebrate communities under various climatic scenarios. Our results show that the average annual air temperature, in the study watershed, increased significantly (P < 0.05) by 0.6 degrees C over the last 30 years (19782007), whereas the average annual water flow declined by 30.9 m3 s1. Based on the winter sampling of benthic macroinvertebrates at four stream locations over last six years, we observed that macroinvertebrate abundance and Margalef diversity dropped with increasing water temperatures or decreasing smoothed sea surface temperatures (SSST). The winter macroinvertebrate abundance and biodiversity declined by 11.1% and 6.8% for every 1 degrees C water temperature rise. In contrast, increases in future SSST by one unit would increase winter macroinvertebrate abundance and biodiversity by 38.2% and 16.0%, respectively. Although many dominant taxa were predicted to persist when water temperatures increase by 1 degrees C, several scarce taxa, e.g., Orthocladius clarkei and Hippeutis umbilicalis, could be at a level of potential local extinction. Our identification of these links, between climate change and stream macroinvertebrate communities, has wide implications for the conservation of mountain stream ecosystems in the upper Yangtze River under scenarios of climate change. ((c) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
关键词[WOS]: WESTERN NORTH-AMERICA ; XIANGXI RIVER ; ENVIRONMENTAL-FACTORS ; LAND-USE ; TEMPERATURE ; DIVERSITY ; INVERTEBRATE ; FLOW ; BIODIVERSITY ; TRICHOPTERA
语种: 英语
WOS记录号: WOS:000305332700003
ISSN号: 1434-2944
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16843
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China

Recommended Citation:
Li, Fengqing; Cai, Qinghua; Jiang, Wanxiang; Qu, Xiaodong.The response of benthic macroinvertebrate communities to climate change: evidence from subtropical mountain streams in Central China,INTERNATIONAL REVIEW OF HYDROBIOLOGY,2012,97(3):200-214
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