Effects of autumn diurnal freeze-thaw cycles on soil bacteria and greenhouse gases in the permafrost regions.

Front Microbiol · 2022 · PMC9752937 · PMID 36532487

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an increasing trendno p-value reported

After two DFTCs, 17 main soil bacterial communities significantly changed at the family, genus, and species levels, and bacterial diversity showed an increasing trend.

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a decreasing trendno p-value reported

If the substrate available was gradually consumed by soil microorganisms with decreasing Ts, SWC, and increasing freeze–thaw frequency, it might lead to a decreasing trend of soil CO 2 emission rate ( Herrmann and Witter, 2002 ; Juan et al., 2018 ).

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