Recently, more and more research focus on the isolation and application of marine probiotics from the aquiculture environments or aquatic animals.

China has rich seabed resources,but the progress in seabed resource development is comparatively slow,and the efforts made on the ocean rights and interests are inadequate.

With the increasing of China s sea trade and energy demanding,and because of the current situation of ocean rights and interests,China is facing more potential and existing influence of island chain on national security and ocean rights and interests.

Since making effective of《United Nations Conventions on the Law of the Sea》, coastal country have obtained the unprecedented expansion jurisdiction s sea area, and also have obtained the full legal safeguard sea rights and interests, but simultaneously there were also created some sea boundary dispute among the coastal country.

After the implementation of The UN Convention on the Law of the Sea, States drew the line of territorial waters and exclusive economic zone in accordance with the relevant provisions of the law, and actively safeguard the maritime rights and interests of their territorial waters, exclusive economic zone and continental shelf.

Studies on the steroid components isolated from marine fungus No.2492 from the South China Sea;

Fermentation of fucoidanase production by marine fungus Dedryphiella Arenaria and enzyme properties;

Antibacterial metabolites from the fermentation broth of marine fungus 095407;