methanotroph methane 2 1,3 butadiene 1 Archaea 1 Archaeon 1 Article 1 Bacteria 1 Bacteria (microorganisms) 1 Carbon 1 China 1 Climate change 1 Denitrification 1 Enzymatic activities 1 Enzymes 1 Functional gene 1 Functional genes 1 Methane 1 Methylosinus trichosporium 1 Microbial abundances 1 Nitrogen 1 OB3b 1 Peatland 1 Permafrost 1 Permafrost peatland 1 Soil carbon 1 Soil enzyme 1 Soil enzymes 1 Soil microbes 1 Soil microbial 1 Tibetan Plateau 1