草地退化的因素和退化草地的恢复及其改良

草地退化是一个世界性的普遍问题。几乎所有的天然草原和人工草地，在利用不当时都可能出现这种现象。对草地退化的过程和原因比较复杂。草地生态系统的变化过程总是伴随着相关的地理、气候、土壤、灾害等各种自然因素的作用，有时一二种自然因素（如火或洪水）就可能造成生态系统的退化。所以对退化草地的恢复势在必行，本文着重对近几年较流行的退化草地的恢复方法进行了介绍。

The Feature Analysis for Grassland Degradation and the Restoration of Natural Vegetation in Degraded Grassland

Along with the increasing population pressure and need of new agriculture land,natural grasslands are being decimated.Grassland degradation has escalated into a world-wide problem.Because of using in the improper way,the degradation occurs in most of the natural grassland.And the process of grassland degradation is complex,Including geography,climate,soil,disasters and other natural factors.So we suggest that it is imperative for the Restoration of degraded grassland.