草原化主要是指:退化、沙化、盐碱化退化:由于开垦、开矿、过度放牧等人为的破坏和气候等自然的原因造成。沙化:草原破坏后,土地已无法蓄水,在风力等自然因素条件下变成沙漠戈壁。盐碱化:也是由于草原破坏,降雨等水流将土壤里的盐碱冲刷至土层表面并蓄积而成。
草原退化 grassland deterioration ; grassland degeneration ; Steppe degradation
草原化荒漠 steppe desert
盐化草原 saline meadow
种草原绿化大片土地 green vast land with grasses
温性草原化荒漠草地 temperate steppe-desert type rangeland
草原文化 grassland culture
退化草原 depleted range ; Degraded grassland ; degraded steppe ; degraded pasture
草原荒漠化 grassland desertification
草原退化指数 Steppe degradation index
沙坡头地段位于腾格里沙漠东南缘,包兰铁路沿线,属草原化荒漠带。
Shapotou area, where the Baotou-Lanzhou Railway pass through is situated at the southeast edge of Tengger desert, belonging to steppe desert zone.
该地区集中分布着一批古老残遗物种,这些物种大多为群落的建群种或优势种,对维持草原化荒漠区脆弱的生态系统具有重要作用。
Many ancient relic species centrally distributed in the area, most of them were the constructive or dominant species of desert community, their existence played an import.
几十年来,气候变暖使得绿地消失殆尽,过度放牧又加剧了草原的沙漠化。
The grasslands are dying out, as decades of warming temperatures-exacerbated by overgrazing-turn prairie into desert.
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