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广东现有43个山区县(市),总面积达105.125km~2。其中低、中山面积占全山区总面积的46.05%;低、高丘面积占32.94%;台、阶地占12.36%;平原和水面仅有8.65%。 广东山区历史上森林茂密,资源丰富。由于长期过度砍伐,植被遭到破坏,在雨季长、雨量大、暴雨多的条件下,水土流失很普遍,是我国水土流失较严重的地区之一。 广东山区水土流失的类型,从流失方式来看,可分为:无明显流失、面状流失、沟状流
There are 43 mountain counties (cities) in Guangdong with a total area of 105.125km ~ 2. Among them, low, Zhongshan area accounted for 46.05% of the total mountain area; low, high mound area accounted for 32.94%; terrace, terraces accounted for 12.36%; plain and water only 8.65%. Guangdong mountains in the history of dense forests, rich resources. Due to the long-term deforestation and the destruction of the vegetation, soil erosion is very common under the conditions of long rainy season, heavy rainfall and heavy rain, which is one of the areas with more serious soil erosion in China. The types of soil erosion in mountainous areas of Guangdong can be divided into no loss, no loss of surface, ditch flow