CAJ | 학술논문

长江上游珍稀特有鱼类国家级自然保护区内有多种重要鱼类，环境因子是鱼类生存的重要外部条件。金沙江下游梯级电站的建设运行将改变保护区的生境特征，从而影响鱼类的繁殖生长。本文基于文献调研、历史数据收集整理、数值模拟和统计分析等资料和方法，对保护区内重要鱼类的水温、水质和水文水动力等生态需求进行了分析研究。结果显示：重要鱼类繁殖的生态需求与文献调研中给出的生态需求吻合程度较高且更接近天然情况。
장강상유진희특유어류국가급자연보호구내유다충중요어류，배경인자시어류생존적중요외부조건。금사강하유제급전참적건설운행장개변보호구적생경특정，종이영향어류적번식생장。본문기우문헌조연、역사수거수집정리、수치모의화통계분석등자료화방법，대보호구내중요어류적수온、수질화수문수동력등생태수구진행료분석연구。결과현시：중요어류번식적생태수구여문헌조연중급출적생태수구문합정도교고차경접근천연정황。
There are a number of important fish in the Nation Nature Reserve for the Rare and Endemic Fishes in the Up-per Reaches of the Yangtze River , and the environmental factor is one of the important external conditions for fish survival . The construction of the cascade hydropower station in the lower reaches of Jinshajiang River will change the habitat charac -teristic of the reserve , and affect the reproduction and growth of the fish .Based on the materials and methods of literature research, historical data collection , numerical simulation and statistical analysis , we analysed the ecological requirements of temperature , water quality and hydrology and water power of the important fish in the reserve .The results showed that the ecological requirements of important fish reproduction had a higher coincidence rate with the literature , and they are closer to the nature conditions .