农牧交错带农业生态系统生产力的能值分析——以武川县为例  

Energy Analysis of Agro-ecosytem Productivity in the Ecotone Bewteen Agriculture and Pasture in North China——A Case Study of Wuchuan County

作　　者：董孝斌[1] 高旺盛[2] 

机构地区：[1]北京师范大学资源学院 [2]中国农业大学区域农业研究中心

出　　处：《干旱区资源与环境》2005年第z1期33-37,共5页Journal of Arid Land Resources and Environment

基　　金：国家重点基础研究发展规划项目(G2000018606;G2000018607);区域农业协调持续发展战略研究(2001BA508B24)资助

摘　　要：本文运用能值理论和方法,以农牧交错带的武川县为案例对该区域的农业生态系统的初级生产力、次级生产力、农牧系统耦合和农户经济生产力及10多年来的能值投入和产出进行了分析和评价,并结合当地的一些实际情况试图说明该区域的农业生态经济系统面临的问题和可持续发展的途径。Energy approach was used to analyse and evaluate the primary,second productivity,situation of system coupling andpeasant's economic productivity,as well as emergy input and output of the Wuchuan county in the ecotone between agriculture and pasture in North China.Some issues faced to the local agriculture system were explored andsome suggesstion was put forward for its sustainable development.

关 键 词：能值 农牧交错带 系统生产力 

分 类 号：S181[农业科学—农业基础科学]