倘若湖泊消失的话，它们所维系的生态系统也就失去了生息地。
When the lakes disappear, the ecosystems they support also lose their home.
撒哈拉地区逐渐变得干燥，那里的湖泊也消失了。
研究人员发现的证据表明，由于北极湖泊沉积物中冰消失，硫酸盐还原细菌数量在不断增加。
VANISHING ICEIn the sediments of Arctic lakes, researchers found evidence that Numbers of sulfate-reducing bacteria are growing.
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