Abstract

This paper documents methane utilization in (hyper)saline environments. Methane consumption in the Crimea basins, exhibiting salinities of 8% to 33%, was as much as 1200 pmol cm−3 d−1. This process was mainly associated with the upper layer of sediment (microbial mat), although substantial activity was also located in adjacent water. Studies of the influence of NaCl levels on the methane consumption revealed a positive correlation between optimal salt concentration and the natural salinity of the samples selected.

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