Based on the investigation records collected from the Nansha Islands waters during 7—23 in November of 1997,the composition, dominant species, biodiversity and quantitative distribution of phytoplankton there were studied.

The organic carbon sedimentation is discussed by analyses of 5 sediment cores and some surface samples in Nansha Islands waters.

The anisotropy of magnetic susceptibility of Core NS97-13 sediments from the Nansha Islands sea area in the southern South China Sea

Based on historical data and the in situ observational data of multidisciplinary oceanographic expedition to the Nansha Islands sea area, the relations have been discussed between southwest monsoon variation and sea surface circulation structure and evolution in the Nansha Islands.

In tile course of paleoclimate changing warm after the last glacial period, two manifest cool events, event Ⅰ and event Ⅱ, are found in the Nansha Islands sea area of the South China Sea, their ages about 12-11 kyr BP and 10-8 kyr BP respechvely.

Geochemical Characteristics of Sediments at Site HD196 in Dongsha Islands, the North of the South China Sea, and Their Implication for Gas Hydrates;

Taxonomic diversity of fish species in coral reef area from Dongsha Islands

Statistical analysis on the stropical cyclones in Dongsha Island seas in recent 56 years;