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赣州地区珠江流域产生水土流失的人为因素主要有三方面:一是森林被过度砍伐,近二、三十年来,砍伐量超过生长量,砍伐面积超过造林面积;二是油茶山垦复是采取全铲剃光的办法,每垦修一次,表土翻动一层,遇有适当的降雨条件就流失一层表土,年复一年,导致油茶山的林间水土流失日趋严重;三是稀土矿开发建设中产生水土流失,寻邬、定南两县,稀土矿开挖后的裸露面积已达1663公顷,排出泥沙324万立方米。除此之外,还有开路,建房等活动所造成的水土流失。
The man-made factors of soil and water loss in the Pearl River Basin in Ganzhou are mainly three aspects: First, the forest is over-deforestation, the past two or three decades, the amount of deforestation exceeds growth, deforestation area than afforestation area; Second, Camellia Hill reclamation is to take full shovel Shaved way, each Kenji repair, topsoil flip a layer, in case of appropriate rainfall on the loss of a layer of topsoil, year after year, leading to the Camellia Forest soil erosion increasingly serious; Third, rare earth mine development and construction Produce soil and water loss, find Wu, Dingnan counties, rare earth excavation after the bare area has reached 1663 hectares, 3.24 million cubic meters of sediment discharge. In addition, there are soil and water loss caused by activities such as opening roads and building houses.