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中文摘要：
青鱼、草鱼、鲢、鳙统称为四大家鱼,长江中游河段是其最主要的产卵场.近年来,水利工程的建设和运行,对四大家鱼产卵场的范围和质量造成一定的影响.产卵场的恶化主要影响家鱼的繁殖,通过分析四大家鱼的繁殖特性,识别出影响家鱼产卵和孵化的关键生态因子,并建立了各生态因子的适宜度曲线.建立四大家鱼栖息地适宜度方程,对家鱼产卵场进行综合影响评价.用实测资料对方程进行验证,结果表明方程能较合理地描述四大家鱼栖息地的适合程度.
英文摘要：
青鱼、草鱼、鲢、鳙统称为四大家鱼,长江中游河段是其最主要的产卵场.近年来,水利工程的建设和运行,对四大家鱼产卵场的范围和质量造成一定的影响.产卵场的恶化主要影响家鱼的繁殖,通过分析四大家鱼的繁殖特性,识别出影响家鱼产卵和孵化的关键生态因子,并建立了各生态因子的适宜度曲线.建立四大家鱼栖息地适宜度方程,对家鱼产卵场进行综合影响评价.用实测资料对方程进行验证,结果表明方程能较合理地描述四大家鱼栖息地的适合程度.
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