| 基于栖息地模拟法的中华鲟自然繁殖适合生态流量分析 |
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| 引用本文： | 蔡玉鹏,万力,杨宇,张晓敏,李益进.基于栖息地模拟法的中华鲟自然繁殖适合生态流量分析[J].水利渔业,2010(3). |
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| 作者姓名： | 蔡玉鹏 万力 杨宇 张晓敏 李益进 |
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| 作者单位： | 水利部中国科学院水工程生态研究所;南京水利科学研究院;南京市长江河道管理处; |
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| 基金项目： | 科技部水利部公益性行业科研专项(200701008); 水利部公益性行业科研专项(200701029); 水利部公益性行业科研专项(200801035) |
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| 摘 要： | 以长江中华鲟作为目标物种,通过中华鲟自然繁殖期间产卵江段的的栖息地调查,确定了中华鲟的偏好水深、偏好流速及偏好底质。以河道内流量增量法(IFIM)为基础,采用二维水力学模型结合鱼类栖息地模型对中华鲟产卵场的栖息地条件进行了分析,计算了中华鲟自然繁殖期间流量与栖息地加权可利用面积的关系。结果表明,流量在13000～15000m3/s时,栖息地加权可利用面积达到最大,约2.1km2。
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| 关 键 词： | 栖息地模拟法 中华鲟产卵场 栖息地加权可利用面积 生态流量 |
Analysis on the Environmental Flow Requirements for Natural Reproduction of Chinese Sturgeon Based on Habitat Simulation Methods |
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| CAI Yu-peng,WAN Li,YANG Yu,ZHANG Xiao-min,LI Yi-jin.Analysis on the Environmental Flow Requirements for Natural Reproduction of Chinese Sturgeon Based on Habitat Simulation Methods[J].Reservoir Fisheries,2010(3). |
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| Authors: | CAI Yu-peng WAN Li YANG Yu ZHANG Xiao-min LI Yi-jin |
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| Institution: | CAI Yu-peng1,WAN Li1,YANG Yu2,ZHANG Xiao-min1,LI Yi-jin3 (1. Institute of Hydroecology,Ministry Water Resources , Chinese Academy of Science,Wuhan 430079,China,2. Nanjing Hydraulic Research Institute,Nanjing 210029,3. Nanjing Yangtze River Management Office,Nanjing 210011,China) |
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| Abstract: | This paper has taken the Chinese sturgeon as target species,by investigating the habitat of the chinese sturgeon natural spawning ground,the Habitat Suitability Criteria including to depth,improved flow velocities and cover types were made certain. Two dimensional hydrodynamics simulation combines fish habitat model,with the basic framework of Instream Flow Incremental Methodology,The performance of habitat conditions on chinese sturgeon natural spawning ground was evaluated,and the relationship between env... |
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| Keywords: | Habitat simulation methods Chinese sturgeon spawning ground Weighted usable area Environmental flow requirement |
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