In shallow sea,the excretions of cultivated organisms,fouling organisms and wild fish,exchanges of nutrient at the interface between water and sediment or particulate matters are the major nutrient salt sources of self-pollution in culture system.

Nutritional supplies & biodiversities of deep-sea microorganisms and correlative methodologies were introduced here in an ecological point of view, and development of their natural products was prospective in an applied point of view.

Distributions and the factors influenced of nitrogen and phosphorus nutrients in the Daliaohe Estuary;

The influence of organic modified clay on nutrients and main water quality index in sea water;

The Concentrarions and Distributions of Nutrients in Pore Water of the Aoshan Bay;