The researchers proposed that, if sulfate-reducing bacteria Numbers jumped as ice cover dropped, they should see increasing levels of inorganic sulfur over time.

研究人员认为，如果硫酸盐还原细菌的数量随冰盖减少而大量增加，他们也会看到无机硫水平也会随时间而不断增高。

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VANISHING ICEIn the sediments of Arctic lakes, researchers found evidence that Numbers of sulfate-reducing bacteria are growing.

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。

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Alan Werner, a professor of geology at Mount Holyoke College, points out that other culprits may contribute to increasing Numbers of sulfate-reducing bacteria.

艾伦·维尔纳，是马萨诸塞州大学蒙特赫里约克学院的地质学教授，他指出，可能还有其它诱因促使硫酸盐还原细菌数量越来越多。

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