水土流失危害性的定量评价初探——以五华县为例

The Intial Probing into Quantitalive Appraise on Harmfulness about Soil Erosion——A case of WuHua cunty

水土流失是广东省广大山区存在的重要环境问题之一,而五华县历来是省内严重水土流失区。由于长期的自然及人为因素,导致水土流失问题突出、危害严重,由此给五华县的自然环境及经济建设带来了诸多问题,尤其是土地资源、农业发展等问题。这些问题成了五华县这个典型的农业山区县改善环境、发展经济、脱贫致富的重要制约因素。本文从五华县实际出发,通过建立相关的指标体系对该县水土流失进行评价、对因水土流失导致的经济损失进行初步估算,为今后的水土流失治理和社会经济的发展提供决策参考。

Soil erosion is one of the environmental Problems of General mountain Region in Guangdong Province, and Wuhua County has always been the area of serious soil erosion. The soil erosion problems caused by the natural and human factors, has brought many damages to natural environment and economic development in the county. Particularly in the land resources, agricultural development and other Respects. All of these problems become the constraints for improving environment, developing Economic and get rid of poverty to prosperity. This article write on the basis from the actual conditions of Wuhua county, and evaluate the county＇s soil erosion , estimate the economic losses from it through the establishment of the relevant index system, with the aim of providing some decision refrence for mountain region at agricultural production environment and economic development.