Surveying the seabed of the mass death of fish in the North Central Province 4 of Ha Tinh, Quang Binh, Quang Tri, Thua Thien-Hue, the team of Vietnam Academy of Science and Technology said the ecosystem marine general and in particular coral reefs have been destroyed in many areas, the absence of tropical fish. Known entire Vietnam waters approximately 1,100 km2 of coral reefs, if ecosystems are destroyed, Vietnam Sea was no longer in danger of shrimp and fish. This used to be the environment and nature conservation alerts. The coral reef formation millions of years, it's shelter, nourish aquatic species, tropical fish such as grouper, snapper, fish, fishing eagles, and thousands of other fish species .
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