2000年前后,受自然(rán )因素与人类活动影响,察(chá )汗淖尔(ěr )湿(shī )地功能(néng )下降(jiàng ),风沙危害多(duō )发(fā ),生物多样性受(shòu )损。2017年以来(lái ),湖(hú )泊(bó )的湖底全(quán )部(bù )裸露出来,只(zhī )在夏季雨水(shuǐ )频繁时(shí ),可以(yǐ )形成(chéng )小(xiǎo )范围水面。如若赶(gǎn )上(shàng )大旱(hàn )年头(tóu ),距离(lí )北(běi )京直线(xiàn )距离(lí )240公(gōng )里的察(chá )汗淖(nào )尔一(yī )“翻(fān )脸”,滚(gǔn )滚沙(shā )尘(chén )则遮天蔽日过京津(jīn )。
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