草场退化即草场植被衰退。主要表现为优良牧草种类减少，各类牧草质量变劣，单位面积产草量下降等。草场退化是土地退化的一种类型，是土地荒漠化的主要表现形式之一。草场退化是人为活动和不利自然因素导致的草场恶化，包括土壤物质损失和理化性质变劣，优良牧草的丧失和经济生产力下降。中国的草场退化主要是人为活动造成的，包括过放牧、滥垦和滥采等。
...化；草原退化；土地沙化；吉林西部 [gap=5915]Key words: agro-environment; land saline-alkalization; grassland degeneration; land desertification; the west of Jilin province ..
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草原退化指数 Steppe degradation index
典型草原退化草地 Typical degraded grassland
退化草原 depleted range ; Degraded grassland ; degraded steppe ; degraded pasture
内蒙古草原的退化沙化 the degeneration and desertification of Inner Mongolia grasslands
Grassland degradation is a world problem. This report is about the remote sensing investigation of the grassland in Dan County of Qinghai province, and the reason of grassland degradation is analyzed.
草原退化是一个世界性问题。
参考来源 - 青海省达日县草地状况遥感调查及退化原因研究In this paper, according to the changes of vegetation in Wulatezhongqi desert grassland during the past 25 years, the reasons for the degradation of grassland were analyzed.
本论文从乌拉特中旗荒漠草原植被25年的变化状况入手,深入剖析草原退化的成因。
参考来源 - 内蒙古乌拉特中旗草原退化原因与修复途径研究Ecological damage prominent, nearly 1 / 3 of the land facing soil erosion, desertification and grassland degradation of natural phenomena seriously, forest ecosystem function is severely degraded.
生态破坏问题突出,近1/3的国土面临水土流失,土地沙化以及天然草原退化现象严重,森林生态功能严重退化。
参考来源 - 促进绿色增长的财政政策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
草原退化是一个世界性问题。
土地盐碱化、沙漠化和草原退化，是干旱内陆盆地主要环境灾害。
The land salinization and desertization and grass-land degeneration are mainly environment disaster of arid continental basin.
草原退化就是指草地植物数量减少、质量变坏以及生境条件劣化的草地。
Grassland deterioration results in reduction of number of plant species, worsening of forage quality and ecological conditions of the grassland.
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