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Volume 33 Issue 4
Dec.  2014
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Article Contents
ZHANG Jun-yi, DAI Ming-hong, WANG La-chun, SU Wei-ci. Rocky desertification control issues in the context of priority for ecological function in karst areas of southwest China[J]. CARSOLOGICA SINICA, 2014, 33(4): 464-472. doi: 10.11932/karst20140411
Citation: ZHANG Jun-yi, DAI Ming-hong, WANG La-chun, SU Wei-ci. Rocky desertification control issues in the context of priority for ecological function in karst areas of southwest China[J]. CARSOLOGICA SINICA, 2014, 33(4): 464-472. doi: 10.11932/karst20140411

Rocky desertification control issues in the context of priority for ecological function in karst areas of southwest China

doi: 10.11932/karst20140411
  • Publish Date: 2014-12-25
  • Strong karstification in southwest China has formed a special karst surface water and groundwater cycle. Surface water leakage, soil erosion, rocky desertification, water shortages and environmental problems are significant. Soil and water conservation and biodiversity protection in the karst rocky desertification areas of southwest China are the main targets for karst rocky desertification management. Adjustment of development objectives has led to the proposal of these new requirements for rocky desertification control. Therefore, management of karst rocky desertification will be improved by investigating the issues of rocky desertification control and seeking new countermeasures and directions for rocky desertification control. Through field investigation and literature review, deficiencies in existing rocky desertification control modes, species selection, the benefits of rocky desertification control and poverty elimination were analyzed. Combined with the national position on management of karst rocky desertification control areas in southwest China, the key issues are addressed, maintenance and enhancement of rocky desertification control in the context of multiple constraints; efficiency of the comprehensive management of resource use and assessment of the benefits of rocky desertification control; environmental benefits of rocky desertification control; economic development in the context of areas under rocky desertification control management and future rocky desertification control. It is considered that future rocky desertification control should encompass both environmental and economic benefits, and improve ecological compensation standards and ecological compensation system. In order to promote long-term sustainable effecitiveness development of rocky desertification control and ensure soil and water conservation and protect biodiversity in southwest China, urban migration should be promoted in rocky desertification areas to reduce population pressures and eliminate the driving factor of farmers destroying the environment. Special recommendations are proposed as follows,(1) Strengthen breeding characteristics of economic species and researching the key control technology of rocky desertification control pattern; (2) Improve the construction of inter-basin ecological compensation mechanism, and raise the farmers ecological compensation standards and gradually eliminate the damage to the environment by farmers; (3) Accelerate rural urbanization.

     

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