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喀斯特退化山地生态系统不同恢复模式生态经济效益综合评价
引用本文:周晨霓,魏虹,尹文青. 喀斯特退化山地生态系统不同恢复模式生态经济效益综合评价[J]. 亚热带水土保持, 2009, 21(3): 21-25
作者姓名:周晨霓  魏虹  尹文青
作者单位:1. 西南大学生命科学学院,三峡库区生态环境教育部重点实验,室重庆北碚,400715
2. 西南大学地理科学学院,重庆北碚,400715
基金项目:"十一五"国家科技支撑计划项目 
摘    要:对重庆南川石漠化治理示范区8种恢复治理模式下垫面土壤物理性质指标、水土保持指标和经济收益指标进行了观测。并采用灰色关联度分析法对各恢复治理模式的生态经济效益进行了评价。评价结果表明,在给评价指标不同权重比例下,紫花苜蓿种植和退耕还林柏木和自然撂荒等恢复模式的生态经济效益均较高,其中中草药(金银花)种植模式的经济效益表现突出,而传统农耕种植模式综合效益最差。说明该区传统种植模式不利于生态环境保护,应调整种植结构,积极推广生态和经济效益均较高的优化种植模式,推动区域农村经济与环境协调发展。

关 键 词:喀斯特  恢复治理模式  生态经济效益  灰色关联度  综合评价

Comprehensive Evaluation on the Eco-economic Benefits to Different Restored Modes under the Karst Degraded Mountain Eco-system
ZHOU Chen-ni,WEI Hong,YIN Wen-qing. Comprehensive Evaluation on the Eco-economic Benefits to Different Restored Modes under the Karst Degraded Mountain Eco-system[J]. Subtropical Soll and Water Conservation, 2009, 21(3): 21-25
Authors:ZHOU Chen-ni  WEI Hong  YIN Wen-qing
Affiliation:1.Department of Life Science;Southwest University;Key Laboratory of Eco-environments of ThreeGorges Reservoir Region;Beibei;Chongqing;400715;2.Department of Geographical Science;400715
Abstract:The observation was conducted to the soil physical indicators,indicators of soil and water conservation,and economic benefits under eight kinds of restoration modes in rocky desertification area at Nanchuan District of Chongqing,and the evaluation was conducted at the same time to the eco-economic benefits of these modes by using the gray relation analysis method.The results of evaluation show that under different index evaluation weights,under the restored modes of the plantation of Medicago sativa Linn.,u...
Keywords:Karst  Restoration Modes  Eco-economic Benefits  Gray Relation Analysis Method  Comprehensive Evaluation  
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