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.
出处
《干旱区资源与环境》
CSSCI
CSCD
北大核心
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
关键词
能值
农牧交错带
系统生产力
energy,ecotone between agriculture and pasture in North China,system productivity
