陇西黄土高原水土流失现状及防治对策

THE PRESENT SITUATION OF LOSS OF SOIL AND COUNTERMEASURE ON THE LOESS PLATEAU TO THE WEST OF LIUPAN MOUNTAIN

陇西黄土高原位于甘肃省中部,总面积6.41×104km2,人口1373.2万人 受特定的自然地理条件制约,水土流失现象尤其突出,是黄河泥沙的主要输入区之一 本文从区内水土流失现状入手,概述了水土流失产生的因素,并对其发展趋势进行了分析,在此基础上提出了水土流失的治理措施和防治对策,对治理黄河流域水土流失。

Longxi loess plateau lies in the middle of Gansu province. It has 6.41×10\+4 km\+2 area, with a population of 13 732 000. For the specified natural geographic conditions, the loss of soil is especially serious. It is one of the main import areas of Yellow River silt. This paper begins with the phenomenon of loss of soil, summarizing the becoming factor of it and giving analysis of its developing tendency, proposing and counter measure. It has some value for controlling loss of soil and improving ecological environment in the Yellow River area.