滥垦草原、盲目移民的结果是草原生态环境遭到严重破坏而沙化退化；
Because of abusive cultivation of grassland and unplanned immigration, the ecological environment of grassland has been deteriorating and the process of desertification is accelerated.
描述了长城沿线农牧交错区天然草场退化现状，指出退化主要原因是干旱少雨、超载放牧、滥垦和不合理利用土地、滥采乱挖。
The actuality of degenerated nature grassland in northern agro-grassing acetone along the line of the great wall was described in this paper.
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