绵阳市水土流失及其防治

Soil and Water Erosion and Its Prevention Measures in Mianyang City

绵阳市水土流失程度是惊人的,在全国仅次于黄土高原地区,在四川属于最严重的地区之一。它严重破坏了土地资源,淤毁了水利工程,淤塞了河床,加剧了自然灾害。究其原因,有降雨丰沛、暴雨多、山地丘陵比例大、岩石土填抗蚀力弱、植被覆盖差的自然条件基础,但人类不合理的开发利用是关键。本文指出,在初步治理取得一定成效的基础上进一步工作应放在明确治理任务的长期性与艰巨性、注重宣传的实效性、转换政府职能、坚持综合治理、加强执法监督等五个方面。

Soil and water erosion in Miangang city is only less than loess plateau in china but most serious in sichuan province. It destroyes land resources , silts up water conservancy projects and rivers , and intensifies natural disasters. Rich precipitation , frequent storm , abundant mountains and hills , weak rock soil , and thin vegetation are the basis , irrational exploration is the key factor effecting soil and water erosion. On the basis of preliminary administering , thb paper points out that future work mainly about making clear lonterm and difficulty of soil and water conservation , paying attention to actual effect of propaganda , changing function of Government , insisting on synthtic prevention , and strengthening legal systm and supervision。