Stable phytoplankton community structure in the Arabian Sea over the past 200,000 years.

Finds that glacial to interglacial climate changes have been related to organic carbon cycling in oceanic surface waters. Development of sedimentary tracers of past marine biological production; Organic biomarker compounds established for tracing the contributions of different planktonic groups to organic carbon in sediments; The four biomarkers, dinosterol, alkenones, brassicasterol and chlorins; Biological production of the Arabian Sea;