2000年前后,受自(zì )然因素(sù )与人类活(huó )动(dòng )影响,察汗淖(nào )尔湿地功能下降,风沙(shā )危害多发,生物(wù )多(duō )样性受损。2017年以(yǐ )来(lái ),湖泊的湖底(dǐ )全(quán )部(bù )裸(luǒ )露出来,只(zhī )在(zài )夏季(jì )雨(yǔ )水(shuǐ )频繁时(shí ),可以(yǐ )形成小(xiǎo )范围水面。如若(ruò )赶上大(dà )旱年(nián )头,距离北京直线(xiàn )距(jù )离240公(gōng )里(lǐ )的察汗(hàn )淖尔一“翻脸”,滚滚沙尘(chén )则遮(zhē )天蔽(bì )日过(guò )京津(jīn )。
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