Nguyen Thi Hong Hanh, Le Khanh Linh, Pham Hong Tinh, Le Dac Truong, Bui Thi Thu, Truong Minh Tam

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Abstract

Abstract: In order to assess mangrove carbon sink for state management of greenhouse gas emissions/sequestration, provide a scientific and basis for implementing greenhouse gas reduction programs, e.g. REDD, REDD+, carbon stocks in three carbon pools, 1) above ground biomass,
2) below ground biomass and 3) soil were quantified for mangrove forest with dominant species of Rhizophora stylosa, Bruguiera gymnorhiza, Kandelia obovata, Aegiceras corniculatum, Avicennia marina in Hai Lang Commune, Tien Yen District, Quang Ninh Province, following the guideline by IPCC (2006). The results show that carbon accumulated in mangrove soil is about five times higher than the biomass carbon (above ground biomass and below ground biomass). The carbon accumolated in the soil was 124.85 tons/ha; the carbon accumulated in above ground biomass was 26.31 tons/ha; and the carbon accumulated in below ground biomass was 24.35 tons/ha. The total carbon stock in three carbon pools was 175.52 tonnes/ha (corresponding to 607.48 tons of CO2 sequestrated by one hectare of the mangroves). Large amount of carbon sequestrated in mangrove forest is a scientific basis for the development and implementation of mangrove afforestation projects, combined with conservation, sustainable management of mangroves, and the enhancement of mangrove carbon stocks in the coastal areas of Vietnam.


Keywords: Avicennia marina, Aegiceras corniculatum, Bruguiera gymnorhiza, Kandelia obovata, Rhizophora stylosa, greenhouse gases, mangrove forest, carbon sequestration.


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