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.
如果这样会阻止树木的重新生长,这块地区会退化成草原——这样火灾的风险更大,Goldammer说。
That could prevent the forests from growing back and the area will turn to grassland — and so be even more vulnerable to wildfires, says Goldammer.
亚马逊雨林将经历一个“转折点”,极端高温和雨水减少将导致其退化,大部分树木都将被烧毁并由沙漠和草原取而代之。
Amazon rainforest crosses a "tipping point" where extreme heat and lower rainfall makes the forest unviable - much of it burns and is replaced by desert and savannah.
鼠荒地主要是因鼠类活动和超载过牧等原因引起草原严重退化的次生裸地。
Wasteland caused by rats is the secondary bare land of grassland on which vegetation is damaged by rodent movement and overgrazing.
目的是在青海果洛地区,通过在退化的草原上限制放牧来减少沙漠化。
The goal is to reduce desertification by limiting grazing on the shrinking grasslands in the Golog region of Qinghai.
由于全球环境变化和人类活动的共同影响,我国草原普遍出现退化现象。
Due to the joint influence of the changing global environments and the human activities, the grassland appear phenomenon of degradation generally in China.
结果表明:2004年研究区严重退化的草原面积占研究区总面积的24.12%,而未退化的草原面积仅占研究区总面积的10.70%。
In 2004, 24.12% of the study area was heavily degraded steppe, and 10.70% of study area was slightly degraded steppe. The reasonable stocking capacity was also determined.
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.
露天矿排土场的严重水土流失,导致周边土壤盐渍化和草场退化,是草原露天矿区环境治理的关键和重点。因随机排土,大部分排土场的表层土壤为深层绿色泥岩土,不适于植物生长,治理难度很大。
Serious erosion of soil and water in refuse dump is key and main task of land restoration in open cast mine of steppe region, which induce salination and degradation of soil in surroundings.
草甸草原、典型草原样地各土层对照区土壤密度均低于重度退化区。
The soil density of control area of every soil layers of four sample plots in the meadow steppe and typical steppe is lower than the severe degeneration area;
荒漠草原某些区域又退化严重,且人类活动所建立的城市、耕地和工厂、矿区面积正在迅速增大,侵占着苏尼特荒漠草原。
But some areas of desert-steppe go to the bad, and city, field, factory, mineral area increase very quickly, they occupy many desert-steppe areas.
荒漠草原某些区域又退化严重,且人类活动所建立的城市、耕地和工厂、矿区面积正在迅速增大,侵占着苏尼特荒漠草原。
But some areas of desert-steppe go to the bad, and city, field, factory, mineral area increase very quickly, they occupy many desert-steppe areas.
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