摘要
0 INTRODUCTION The carbon buried in marine sediments in the form of organic carbon or carbonate minerals represents the largest pathway for carbon removal from Earth's surface environments(Sun and Turchyn,2014).Microbial sulfate reduction(MSR)is a fundamental biogeochemical process occurring in marine sediments,where sulfate-reducing bacteria(SRB)reduce sulfate(SO42-)to sulfide(S2-)using organic matter or methane as electron donors(Jorgensen,2021).
基金
supported by the National Key Research and Development Program of China(No.2022YFE0136300)
the National Natural Science Foundation of China(Nos.42276060,42076031)
the Natural Science Foundation of Shandong Province(No.ZR2021YQ26)
the Taishan Scholars Program of Shandong Province(No.tsqn201909057).
