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