中国岩溶2016，Vol.35Issue(5)：586-593,8.DOI:10.11932/karst20160515
基于模糊综合评价法的小流域喀斯特石漠化治理综合效益评价——以贵州省普定县陈家寨小流域为例
Evaluation on effect of small catchment comprehensive control in karst rocky desertification areas based on fuzzy comprehensive evaluation method: A case study of the Chenjiazhai catchment in Puding county, Guizhou Province
摘要
Abstract
The Chenjiazhai catchment is located on the right bank of the Sancha river,the upper reaches of Wujiang river,northeast of Puding county,Anshun City,Guizhou Province,about 8.5 km to Puding county.Its highest elevation is 1,485 m,and the area is characterised by typical peak-cluster depression landforms in thekarst plateau of centralGuizhou Province.Based on thePudingkarst ecosystem observation and research station of the Chinese Academy of Sciences (CAS),the slope water system facilities including road surface water collection,ditch diversion and water storage pool,which rely on the water conservancy technology and networked micro-irrigation technology,were constructed in the Chenjiazhai catchment.In order to improve the reliability and scientificity of comprehensive control measures,and to provide scientific basis for the government to make macro policy decision for the karst rocky desertification control,the effect of comprehensive control in the Chenjiazhai catchment was evaluated by establishing an index system and fuzzy comprehensive evaluation method.The data of environmental,economic and social indicators before and after the comprehensive control show that the social economy has been developed and the ecological environment improved obviously after comprehensive management in the study area.Due to the development of high-efficiency mountainous agriculture by planting Capsicum annuum,Abelmoschus esculentus L.Moench,Fallopia multiflora (Thunb.) Harald,Pinellia temata (Thunb.) Breit.and Salvia miltiorrhiza Bge.in valleys,the per capita income,labor productivity,capital investment ratio andland productivity have been enhanced greatly.The commodity ratio of agricultural products and the coverage of forest and grassincreased,with the soil erosion modulus and rocky desertification area decreased through the forest transformation on slopes.Poverty incidence,rural Engel coefficient and illiteracy ratio declined.According to the fuzzy comprehensive evaluation method,after the comprehensive control,the economic benefit level turned from "poor" to "medium", ecological benefit level turned from "poor" to "good",social benefit level remains "poor",and the comprehensive evaluation level turned from "poor" to "medium",which suggests that the comprehensive control of the karst rocky desertification in Chenjiazhai catchment has been to a certain extent successful.The economic benefit increased at the highest rate,which was benefited from the drought-resisting facilities as the use of road surface water and ponding water for irrigation purpose in the study area.The high-efficient usage of water resources and flood storage technology in the study area have played a model role in drought resistance and mountain efficient agriculture development in karst areas.关键词
石漠化/综合治理/模糊综合评价/陈家寨小流域Key words
karst rocky desertification/comprehensive control/fuzzy comprehensive evaluation/Chenjiazhai catchment分类
资源环境引用本文复制引用
杜雪莲,王世杰,熊强辉,彭韬,程安云,张林,蔡先立..基于模糊综合评价法的小流域喀斯特石漠化治理综合效益评价——以贵州省普定县陈家寨小流域为例[J].中国岩溶,2016,35(5):586-593,8.基金项目
国家重点研发计划(2016YFC0502300) （2016YFC0502300）
国家自然科学基金项目(41203063) （41203063）
中国科学院战略性先导科技专项重大课题(XDA05070400) （XDA05070400）
