biology conservation meaning in English

生物保护

This paper summarizes the concept and development of aquatic ecological region , introduces the indicators , depicts method and system of aquatic ecological regionalization by taking u . s . a . and australia as an example , and analyze the application of ecological region in the field of water quality , stream biological monitoring , lake and reservoir management , wetland management and aquatic biology conservation in detail
摘要系统总结了国际水生态区划的指标、方法和体系，分析了水生态区划在水质管理、河流生物监测、湖泊水库管理、湿地管理和水生生物区系研究中的作用和经验。