RS and GIS Based Analysis of Driving Forces of Landscape Changes in the Estuar Wetland of Jiulong River;

Preliminary estimate for the contaminations fluxes from Jiulong River to the sea;

Study on PCBs in Water of Jiulong River Estuary;

Modeling on nutrient removal by harvesting water hyacinth from Jiulongjiang River;

Geological problem study for the river erosion-sedimentation environment——a case of Jiulongjiang River and Jingjiang River in Fujian Province;

On the basis of former researchers work and the self on-spot observation(salt, current velocity, particle size, sediment charge), this paper studies the transportation of suspended sediments in Jiulongjiang river estuary, Fujian province, at both flood and low water seasons.

Whether or Not the Sonneratia apetala B.Ham Plantation Caused Biological Invasion in Jiulong River Estuary;

Polycyclic aromatic hydrocarbons in zoobenthos in mangrove swamp in the Jiulong River Estuary;

Biochemical composition in the phytoplankton and the effect of environmental factors in Xiamen West Harbour and the Jiulong River Estuary;

Analysing the Survival Status of Mangrove Beside Jiulong Estuary,Fujian;

Content and dynamics of five heavy metals elements in the leaves of five mangrove species in Jiulong Estuary;

Distribution features of ATP in Jiulong Estuary and its relationship with environmental factors;

Temporal and Spacial Distribution of Microbial Densities of Soil in Mangrove Forest in Jiulongjiang Estuary;

Preliminary study on species composition and its amount fluctuation of set-net catches in Jiulongjiang Estuary, Fujian;

Distribution Characteristics of Sea Surface Salinity and Its Relations to Tide in Jiulongjiang Estuary-Xiamen Bay;

Wet Deposition of Atmospheric Nitrogen in Jiulong River Watershed;

Dry deposition of atmospheric nitrogen to Jiulong River watershed in southeast China;

Characteristics of nitrogen and phosphorus losses with surface runoff in typical sub-watersheds of Jiulong River watershed.;