作者: James P. Sáenz , Stuart G. Wakeham , Timothy I. Eglinton , Roger E. Summons
DOI: 10.1016/J.ORGGEOCHEM.2011.08.016
关键词: Hopanoids 、 Anoxic waters 、 Water column 、 Geologic record 、 Pelagic zone 、 Sedimentary rock 、 Terrigenous sediment 、 Upwelling 、 Oceanography 、 Geology
摘要: The abundance and structural diversity of bacteriohopanepolyols (BHPs) was examined in three marine pelagic environments that are characterized by strong vertical redox gradients and water column suboxia or anoxia. The abundance and, in most instances, structural diversity of BHPs was highest at depths where conditions were suboxic or anoxic. However, the majority of the BHP structures that were identified are environmentally cosmopolitan and their biological sources are presently not well constrained. An isomer of …