Changes of demersal trawl fishery resources in northern South China Sea as revealed by demersal trawling;

Hydrological characteristics and fishery resources status of mid-lower Hanjiang River;

On the utilization of fishery resources in Yongzhou;

This technology was applied in the minitoring of fisheries resources and the track of monitoring ship on the animation layers was converted into region through programming.

The paper analyzes the causes for marine fisheries overfishing in our country and puts forward the countermeasures and suggestions in the aspects such as strengthening fisheries resources survey, perfection of direct management ways, development of mariculture and ocean-going fisheries and strengthening of propaganda and education, and severe law enforcement system.

It s our target to protect eco-environment, conservate fisheries resources and realize fisheries sustainable development.

Analysis on recent status of the bottom trawl fishery resources in the East China Sea region;

Assessment on fishery resource loss owing to mechanical entanglement and residual chlorine;

Quantitative analysis on fishery resource loss owing to the influence of suspended substance and shock wave;