Abstract
Lipid compositions of sediments recovered during Ocean Drilling
Program Leg 175 in the eastern South Atlantic reflect a variety of oceanographic
and climatological environments. Most of the identified lipids
can be ascribed to marine sources, notably haptophytes, eustigmatophytes,
dinoflagellates, archaea, and diatoms. Elevated concentrations
of cholesterol suggest zooplankton herbivory, characteristic for sites influenced
by upwelling. At
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