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前言韩江是我省主要河流之一,是粤东地区农业、交通运输和国民经济的大动脉。韩江上游水土流失区的范围主要在梅江及其支流,分布在梅县地区的五华、兴宁、梅县、丰顺、平远、蕉岭和惠阳地区的龙川、紫金等九个县市。近二十几年来,由于种种原因,导致山林植被破坏,水土流失严重,山塘水库淤积,河流淤塞,生态平衡失调,严重影响山区经济的发展和下游的安全。问题已经到了非解决不可的程度。省政府对此十分重视。为了落实省六届人大三次会议已通过治理韩江上游水土流失的议案,省科协受
Preface Hanjiang is one of the major rivers in our province and the artery of agriculture, transportation and national economy in eastern Guangdong. The area of soil erosion in the upper reaches of the Hanjiang River is mainly located in Meijiang and its tributaries, including nine counties and cities such as Wuchuan, Xingning, Meixian, Fengshun, Pingyuan, Jiaoling and Huiyang in Meixian, . In the recent two decades, due to various reasons, the destruction of mountain and forest vegetation, serious soil erosion, siltation of the Shantang Reservoir, silting of rivers and imbalance of ecological balance have seriously affected the economic development in the mountainous areas and the safety of the downstream areas. The problem has reached an unmanageable level. The provincial government attaches great importance to this. In order to implement the Third Session of the Sixth National People’s Congress passed the resolution of soil erosion in the upper reaches of the Hanjiang River,