forecast areas

Research on a regional forecast model of natural herbage output supported by geographical informational system(GIS);

GIS支持下的天然牧草产草量区域预报模型研究

At present, the USLE was usually used to predict the loss of soil and water along railway in the evaluation of the influences on the ecological environment due to railway construction, and there had been several regional prediction equations in our country.

目前 ,铁路建设环境影响评价中一般采用 U SL E预报沿线水土流失量 ,国内某些地区已有适用于当地的区域性预报方程。