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The objective of this study is to build biomass and carbon stock map at several type of forest in Bach Ma National Park, Thua Thien Hue province. To accomplish that goal, field survey was accompanied with the interpretation result of remote satellite imagery in the GIS to determine biomass and carbon stock accumulation of forest. Landsat 8 satellite image year 2014 at 15 meters resolution was used for the analysis and classification of forest status. The results showed that the rich forest had the biggest amount biomass reserve in comparison with medium and restoration forest. It indicated that estimated biomass of rich forest was 144.16 tons/ha; meanwhile, biomass of medium and res- toration forest was reached at 43.17 tons/ha and 20.31 tons/ha, respectively. It means that the total biomass of rich forest was approximately three times as the total biomass of medium forest and seven times compared to restoration forest. Based on estimated biomass map, carbon stock map at Bach Ma National Park was calculated. The carbon stock reserve of differential forest types was unequal and considerable disparity between the rich forest and the rest. Carbon stock of rich forest was 264.53 tons/ha, which was higher nearly three times than medium forest and nearly seven times than restoration forest. The determination of biomass and carbon stock map from tree layer not only contributes to understand the status of forest conditions, but also provide a strategy in reducing emissions and adaptation to climate change. In addition, the research results could be the scientific reference for trade sell carbon certificates in the commercial market within the country and globally.

Mapping biomass and carbon stock of forest by remote sensing and GIS technology at Bach Ma National Park, Thua Thien Hue province