县域农业生态系统优化途径——以西藏山南地区加查县为例

在分析加查县农业生态环境主要问题基础上,立足自然、社会和生态因子评价县域农业生态系统现状,以生态经济理论为指导,结合加查县自然、社会特征探索了该县农业生态系统优化的思路和途径,包括产业、工程改良、管理等措施;从而有效减少区域水土流失,提高农业生态系统功能,为县域农业生态系统优化提供案例分析。

Way of Optimizing Agricultural Ecosystem in County Region--A Case of Lhodak, Tibet

According to analyzing the issues of agriculture ecosystem in Lhodak county, the paper assesses the functional situation of the county basing on natural, social and economical facts. Taking principle of ecological economics as fundamental, following the natural and social characters of Lhodak, the author advance some measures to improve the production of agriculture. These measures include industry, engineering, management and so on. At last, the author makes a systemic study about these measures and forecast their function. Based on these work, the author explore avenues to optimize the agriculture ecosystem.