2000年前(qián )后,受自然因素与人(rén )类(lèi )活动影响,察汗(hàn )淖(nào )尔(ěr )湿地(dì )功(gōng )能下(xià )降,风沙(shā )危害多发,生物多(duō )样性受(shòu )损。2017年(nián )以来(lái ),湖(hú )泊的湖(hú )底全部裸露出来,只在夏季雨(yǔ )水频繁时(shí ),可(kě )以(yǐ )形(xíng )成小(xiǎo )范(fàn )围水面(miàn )。如若赶(gǎn )上(shàng )大旱年头,距离北(běi )京(jīng )直线距离240公里的察(chá )汗(hàn )淖尔一“翻(fān )脸”,滚滚(gǔn )沙尘则遮天蔽(bì )日过京津。
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