估算水电工程对生态系统生产力影响的一种方法  

A Method for Impact Estimation of Hydropower Projects on the Productivity of Ecosystem

作　　者：曾涛[1,2] 谢光武[3] 蒋红[3] 曾宗永[1,2] 

机构地区：[1]四川大学生命科学学院,四川成都610064 [2]生物资源生态环境教育部重点实验室,四川成都610064 [3]中国水电顾问集团成都勘测设计研究院有限公司,四川成都610072

出　　处：《水力发电》2013年第12期1-3,20,共4页Water Power

摘　　要：初级生产力是描述生态系统功能和稳定性的重要参数之一,但目前尚无定量估算水电工程占地对评价区生态系统初级生产力影响的适用方法。提出多个群落组成的生态系统加权平均净初级生产力的概念,用于定量估算水电站等各类工程占地对评价区生态系统净初级生产力的影响,并以川西某在建大型水电站的永久占地数据为例子,对方法的应用作了说明。该方法同时适用于评价水电或其他工程占地引起陆生和水生生态系统净初级生产力的变化。The primary productivity is one of the important parameters characterizing the functions and stability of ecosystem, but there is no method available to estimate the impacts of land use of hydropower project on primary productivity of assessed ecosystem at present. A concept of Weighted Mean of Net Primary Productivity of ecosystem which is composed by some communities is presented to quantitatively estimate the impacts of land use on net primary productivity of ecosystem. The data of permanent land use in a huge hydropower project under construction in western China are used as an example to illustrate the application of this method. The method may be also used to assess the changes of net primary productivity of both aquatic and terrestrial ecosystems caused by land use of hydropower projects or other projects.

关 键 词：群落 生态系统 工程占地 加权平均净初级生产力 

分 类 号：X830.3[环境科学与工程—环境工程]