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学科主题: Multidisciplinary Sciences
题名: Construction of habitat suitability models (HSMs) for benthic macroinvertebrate and their applications to instream environmental flows: A case study in Xiangxi River of Three Gorges Reservior region, China
作者: Li, Fengqing1, 2; Cai, Qinghua1; Fu, Xiaocheng1, 2; Liu, Jiankang1
通讯作者: Cai, QH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: Habitat suitability model ; Weighted usable area ; Instream environmental flow ; Benthic macroinvertebrate ; Xiangxi river ; Three Gorges reservoir
刊名: PROGRESS IN NATURAL SCIENCE
发表日期: 2009-03-10
DOI: 10.1016/j.pnsc.2008.07.011
卷: 19, 期:3, 页:359-367
收录类别: SCI
文章类型: Article
部门归属: [Li, Fengqing; Cai, Qinghua; Fu, Xiaocheng; Liu, Jiankang] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Li, Fengqing; Fu, Xiaocheng] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Technology
资助者: National Natural Science Foundation of China [30330140]; Knowledge Innovation Project of CAS [KZCX2-YW-427]; National Basic Research Program of China [2002CB412300]
类目[WOS]: Materials Science, Multidisciplinary ; Multidisciplinary Sciences
研究领域[WOS]: Materials Science ; Science & Technology - Other Topics
摘要: Based on a long-term ecological monitoring, the present study chose the most dominant benthic macroinvertebrate (Baetis spp.) as target organisms in Xiangxi River, built the habitat suitability models (HSMs) for water depth, current velocity and substrate, respectively, which is the first aquatic organisms model for habitat suitability in the Chinese Mainland with a long-term consecutive in situ measurement. In order to protect the biointegrity and function of the river ecosystem, the theory system of instream environmental flow should be categorized into three hierarchies, namely minimum required instream flow (hydrological level), minimum instream environmental flow (biospecies level), and optimum instream environmental flow (ecosystem level). These three hierarchies of instream environmental flow models were then constructed with the hydrological and weighted usable area (WUA) method. The results show that the minimum required instream flow of Xiangxi River calculated by the Tennant method (10% of the mean annual flow) was 0.615 m(3) s(-1); the minimum instream environmental flow accounted for 19.22% of the mean annual flow (namely 1.182 m(3) s(-1)), which was the damaged river channel. ow in the dry season; and 42.91% of the mean annual flow (namely 2.639 m(3) s(-1)) should be viewed as the optimum instream environmental flow in order to protect the health of the river ecosystem, maintain the instream biodiversity, and reduce the impact of small hydropower stations nearby the Xiangxi River. We recommend that the hydrological and biological methods can help establish better instream environmental. ow models and design best management practices for use in the small hydropower station project. (C) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
英文摘要: Based on a long-term ecological monitoring, the present study chose the most dominant benthic macroinvertebrate (Baetis spp.) as target organisms in Xiangxi River, built the habitat suitability models (HSMs) for water depth, current velocity and substrate, respectively, which is the first aquatic organisms model for habitat suitability in the Chinese Mainland with a long-term consecutive in situ measurement. In order to protect the biointegrity and function of the river ecosystem, the theory system of instream environmental flow should be categorized into three hierarchies, namely minimum required instream flow (hydrological level), minimum instream environmental flow (biospecies level), and optimum instream environmental flow (ecosystem level). These three hierarchies of instream environmental flow models were then constructed with the hydrological and weighted usable area (WUA) method. The results show that the minimum required instream flow of Xiangxi River calculated by the Tennant method (10% of the mean annual flow) was 0.615 m(3) s(-1); the minimum instream environmental flow accounted for 19.22% of the mean annual flow (namely 1.182 m(3) s(-1)), which was the damaged river channel. ow in the dry season; and 42.91% of the mean annual flow (namely 2.639 m(3) s(-1)) should be viewed as the optimum instream environmental flow in order to protect the health of the river ecosystem, maintain the instream biodiversity, and reduce the impact of small hydropower stations nearby the Xiangxi River. We recommend that the hydrological and biological methods can help establish better instream environmental. ow models and design best management practices for use in the small hydropower station project. (C) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
关键词[WOS]: ASSESS ECOLOGICAL CONDITION ; NEW-ZEALAND RIVERS ; MICROHABITAT PREFERENCES ; WETTED-PERIMETER ; BROWN TROUT ; SYSTEM ; COMMUNITIES ; INVERTEBRATES ; DELEATIDIUM ; MANAGEMENT
语种: 英语
WOS记录号: WOS:000263557200010
ISSN号: 1002-0071
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7854
Appears in Collections:中科院水生所知识产出(2009年前)_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, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Li, Fengqing; Cai, Qinghua; Fu, Xiaocheng; Liu, Jiankang.Construction of habitat suitability models (HSMs) for benthic macroinvertebrate and their applications to instream environmental flows: A case study in Xiangxi River of Three Gorges Reservior region, China,PROGRESS IN NATURAL SCIENCE,2009,19(3):359-367
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