TAILIEUCHUNG - Marine biodiversity in Ha Long bay and Cat Ba archipelago

Ha Long bay - Cat Ba island located in the Northeast of Vietnam, in the area of Ha Long city (Quang Ninh province) and Cat Hai island district (Hai Phong city) is the largest limestone island in Vietnam. Features of biodiversity include the seven typical ecosystems of tropical limestone islands, namely tropical rainforest ecosystem, cave ecosystem, mangrove ecosystem, tidal ecosystem, coral reef ecosystem, soft-bottom ecosystem. Ha Long - Cat Ba also represents a high level of species diversity with 4,622 species of plants and animals on land and in the sea. | Vietnam Journal of Marine Science and Technology Vol. 19 No. 3 2019 363-369 DOI https 1859-3097 19 3Z13174 https Marine biodiversity in Ha Long bay and Cat Ba archipelago Do Cong Thung1 Nguyen Dang Ngai1 Dau Van Thao1 Nguyen Van Sinh2 Dao Minh Dong3 1Institute of Marine Environment and Resources VAST Vietnam institute of Ecology and Biological Resources VAST Vietnam 3Bach Long Vi Marine Protected Area Management Board Hai Phong Vietnam E-mail thungdc@ Received 13 October 2018 Accepted 18 February 2019 2019 Vietnam Academy of Science and Technology VAST Abstract Ha Long bay - Cat Ba island located in the Northeast of Vietnam in the area of Ha Long city Quang Ninh province and Cat Hai island district Hai Phong city is the largest limestone island in Vietnam. Features of biodiversity include the seven typical ecosystems of tropical limestone islands namely tropical rainforest ecosystem cave ecosystem mangrove ecosystem tidal ecosystem coral reef ecosystem soft-bottom ecosystem. Ha Long - Cat Ba also represents a high level of species diversity with 4 622 species of plants and animals on land and in the sea. In particular on land there are 2 464 species accounting for and under the sea there are 2158 species accounting for . Up to 16 species and 114 species have been recorded in the Vietnam Red List and in the IUCN List respectively. Together with hundreds of rare and precious species at national and regional levels there are species of global conservation value demonstrating that Ha Long bay - Cat Ba archipelago can possibly be a world heritage site according to the criteria of biodiversity ix and x criteria . Keywords Ha Long - Cat Ba limestone island sea typical ecosystem high diversity rare conservation heritage. Citation Do Cong Thung Nguyen Dang Ngai Dau Van Thao Nguyen Van Sinh Dao Minh Dong 2019. Marine biodiversity in Ha Long bay and Cat Ba archipelago. Vietnam Journal of Marine Science .

• Môi trường
• Limestone island
• Typical ecosystem
• High diversity
• Tropical limestone islands
• Cave ecosystem
• Mangrove ecosystem
• Limestone islands in Vietnam sea
• Sponge’s biodiversity in the limestone islands
• Time of sponge sampling
• Different types of substrates
• Water quality
• Sea water quality
• Vietnam's typical limestone islands
• Marine biodiversity
• Hopea samarensis
• Forest over Limestone
• Samar Island
• Threatened species
• Mother Trees
• Spatial distribution
• Anthropologic activities
• Vulnerable category
• Critically endangered
• HLB Cat Ba limstone island marine area
• HLB Cat Ba World Natural Heritage
• National heritage values
• Long Chau archipelagos
• Quang Ninh province
• Climate change
• Sea level rise on mangrove ecosystem
• Valuing economic values of mangroves
• Economic losses of mangroves due to climate change
• Tạp chí khoa học
• Perisesarma maipoense
• Chemical and biological
• The rough chela crab
• The costal mangrove ecosystem
• Mangrove estuaries
• Bacillus cereus
• Antimicrobial activity
• Muthupet mangrove
• Novel Bacillus cereus isolated
• Mangrove plant
• Mangrove forest
• Ca Mau Cape National Park
• Ecosystem formed
• Natural process
• Climate change and sea level rise
• Mangrove restoration
• Coastal life
• Rice fields
• Can Gio mangrove biosphere reserve
• Mangrove ecosystems
• Economic values
• Landscape conservation
• Landscape conservation value
• Valuation of biodiversity
• Economic valuation
• U Minh Ha National Park
• Integrated ecosystem management strategy
• Socioeconomical functions
• Biological diversity
• Sentinel 2A
• Mangrove forests
• Subtropical coastlines
• Including sea grasses
• Ecosystem services
• Aquaculture expansion
• Land use and land cover
• Sentinel 2
• Warm temperate coastlines
• Valuable ecosystem services
• Multi temporal Sentinel 2 data
• Distribution of and key to species
• The genus Daptonema Cobb
• Estuaries and seagrass ecosystem
• The already known species
• Distributed in the mangrove forest