[1]顾文,王继军,齐智娟.不同优化情境下的县南沟流域商品型生态农业系统耦合关系[J].水土保持研究,2014,21(05):163-168.
　GU Wen,WANG Ji-jun,QI Zhi-juan.Coupling Relationship of Ecological Agro-system with Commodity in Different Optimized Scenarios in Xiannangou Watershed[J].Research of Soil and Water Conservation,2014,21(05):163-168.
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不同优化情境下的县南沟流域商品型生态农业系统耦合关系

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年05期 页码: 163-168 栏目: 出版日期: 2014-10-28
Title:
Coupling Relationship of Ecological Agro-system with Commodity in Different Optimized Scenarios in Xiannangou Watershed
作者:
顾文1,2, 王继军1,3, 齐智娟1
1. 中国科学院 水利部 水土保持研究所, 陕西 杨凌 712100;
2. 烟台市水利建筑勘察设计院, 山东 烟台 264000;
3. 西北农林科技大学, 陕西 杨凌 712100
Author(s):
GU Wen1,2, WANG Ji-jun1,3, QI Zhi-juan1
1. Institute of Soil and Water Conservation CAS & MWR, Yangling, Shaanxi 712100, China;
2. Yantai Water Building Conservancy Investigation & Desing Academy, Yantai, Shandong 264000, China;
3. Northwest A & F University, Yangling, Shaanxi 712100, China
关键词:
商品型生态农业; 耦合过程模型; 耦合态势; 优化情境; 县南沟流域
Keywords:
ecological agricultural system with commodity (EASC); coupling process model; coupling trend; optimized scenario; Xiannangou Watershed
分类号:
F303.4
摘要:
在对县南沟流域退耕还林工程实施后商品型生态农业系统现状耦合态势分析的基础上，以该流域商品型生态农业系统优化方案为基础，利用耦合过程模型，预测了系统在链网构建阶段、农业经济系统与农业生态系统优化耦合阶段的耦合关系。结果表明：自退耕还林工程实施以来，县南沟流域商品型生态农业系统一直处于协调化发展阶段，且农业生态系统与农业经济系统的综合指数均不断增加。当农业生态系统达到自我调节临界点时，在现状发展态势下农业经济系统演变速度为 VEn（t）=0.0673El（t），商品型生态农业系统链网构建阶段农业经济系统演变速度为VEn（t）=0.0913El（t），农业经济系统与农业生态系统优化耦合阶段农业经济系统演变速度为 VEn（t）=0.0999El（t），系统链网的完善、资源的合理高效利用以及碳汇林业的发展解决了商品型生态农业系统健康、持续发展的问题，同时提高了系统功能。
Abstract:
Based on the coupling trend analysis of ecological agricultural system with commodity(EASC) in Xiannangou watershed after sloping land conversion program (SLCP), and optimized project of EASC in this watershed, this paper predicted the coupling relationship in Xiannangou watershed at the phase of system in the chain network construction and the optimized coupling phase of agricultural economic system and agricultural ecosystem by using coupling process model. Results showed that EASC of Xiannangou watershed is at the phase of coordinated development after the implementation of SLCP. And the comprehensive index of agroecological system and agricultural economic system are both growing continually. When agroecological system reaches the self-adjusting tipping point, the agricultural economic system evolution speed of the status quo of the development trend & the phase of EASC in the chain network construction & the optimized coupling phase of agricultural economic system and agricultural ecosystem respectively follow the formulas of VEn(t) =0.0673El(t) & VEn(t) =0.0913El(t) and VEn(t) =0.0999El(t). The problems of EASC health and sustainable development are solved by the completed system in the chain network construction, the reasonable utilization of resources and the development of carbon sequestration forestry, which improves the system function at the same time.

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备注/Memo

收稿日期:2014-02-25;改回日期:2014-04-01。
基金项目:中国清洁发展机制基金赠款项目“黄土高原退耕区农户低碳生产模式与政策研究”（2012027）；“十二五”国家科技支撑计划项目“黄土丘陵沟壑区水土保持与高效农业关键技术集成与示范”（2011BAD31B05）
作者简介:顾文(1990-),男,山东临沂人,硕士研究生,研究方向为水土保持与生态经济。E-mail:guwen1234567@126.com
通讯作者:王继军(1964-),男,陕西渭南人,研究员,主要从事水土保持与生态经济研究。E-mail:jjwang@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01