期刊
ORGANIC GEOCHEMISTRY
卷 32, 期 10, 页码 1277-1281出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0146-6380(01)00110-3
关键词
archae; methane oxidation; Black Sea; gas hydrates; cyclic biphytanes
C-13-depleted archaeal-derived ether-bound cyclic biphytanes occur in particulate organic matter from the euxinic waters of the Black Sea. These strongly C-13-depleted biomarkers (up to -58 parts per thousand) provide evidence that archaea are consuming methane in euxinic waters. C-13-depleted archaeal compounds were absent from surface sediments, suggesting that the responsible organisms are in low abundance and leave no characteristic fingerprint in the sedimentary record. (C) 2001 Elsevier Science Ltd. All rights reserved.
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