Genesis and Crystal Morphology of Beryl in Jiulong of Sichuan Province;

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.

Tourist Environment Carrying Capacity of the Jiulongshan National Forest Park in Tianjin City;

Rare and Endangered Plants of Jiulongshan Natural Reserve in Zhejiang Province;

A programme of exploitation and utilization of natural resources in Jiulongshan′smountain areas;

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;

Comparative Research of Lithogeochemistry for Jiulongzhang and Xiangshan Volcano Intrusive Complexes;