2000年前后(hòu ),受自(zì )然因素与人(rén )类活(huó )动(dòng )影响(xiǎng ),察汗淖(nào )尔湿地功能(néng )下降,风沙(shā )危害多发,生(shēng )物多(duō )样(yàng )性受(shòu )损。2017年以来,湖泊的湖底全部裸露出(chū )来(lái ),只在夏季(jì )雨水频繁(fán )时,可以形成小范围水面。如(rú )若赶上大旱(hàn )年头,距(jù )离北京(jīng )直线距离(lí )240公里(lǐ )的察(chá )汗(hàn )淖(nào )尔一(yī )“翻(fān )脸”,滚滚(gǔn )沙尘(chén )则遮(zhē )天(tiān )蔽(bì )日(rì )过(guò )京(jīng )津。
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