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Safety evaluation of the agricultural eco-economics of Zhifanggou watershed in the Hilly-gully region of Loess Plateau
Authors
王继军
Publication date
1 January 2008
Publisher
Abstract
以近70年纸坊沟流域农业生态经济系统演变过程为基础,利用国家"九五"科技攻关项目中所提出的评价指标体系,对纸坊沟流域不同发展阶段标志年份的农业生态经济安全状况进行了评价,得出:农业生态经济系统在1938、2000、2005年处于亚安全状态,1958、1975年处于极端不安全状态,1985、19901、995年处于不安全状态。通过对农业生态经济安全变化驱动力的分析,预测了纸坊沟流域农业生态经济安全的发展趋势,提出了黄土丘陵区实现农业生态经济安全的策略:以培育主导产业为中心,完善农业系统循环链网,调整产业结构,实现农业资源的有效、永续利用
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018