Microbial activity in marine sediment acts as a barrier that generally prevents methane from escaping. However, a survey from the Baltic Sea suggests that in many locations the microbial population falters and methane can pass through freely.

中文翻译：

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 甲烷逃避微生物


海洋沉积物中的微生物活动通常起到屏障的作用，防止甲烷逸出。然而，来自波罗的海的一项调查表明，在许多地方，微生物种群数量减少，甲烷可以自由通过。