2000年前后,受自然因素(sù )与人类活(huó )动影响(xiǎng ),察(chá )汗淖尔湿地(dì )功能下降,风(fēng )沙(shā )危(wēi )害多(duō )发,生(shēng )物(wù )多(duō )样性(xìng )受损。2017年以(yǐ )来(lái ),湖泊的(de )湖底(dǐ )全(quán )部裸(luǒ )露出来,只在夏季雨水频(pín )繁时,可(kě )以(yǐ )形成(chéng )小(xiǎo )范围(wéi )水面(miàn )。如若赶上(shàng )大旱年头(tóu ),距离北京(jīng )直(zhí )线距离240公里的察(chá )汗淖(nào )尔一“翻脸”,滚(gǔn )滚沙尘(chén )则遮(zhē )天蔽(bì )日过京津。
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