Species diversity, aboveground biomass, and carbon stock of mangrove species in coastal area of Mahaba Island, Placer, Surigao Del Norte
Paper Details
Species diversity, aboveground biomass, and carbon stock of mangrove species in coastal area of Mahaba Island, Placer, Surigao Del Norte
Abstract
The Philippines is known worldwide for its mangrove rich ecology, which plays an essential role in ecosystem services and climate change mitigation. However, limited information on the ecology and carbon stock of mangroves in Mahaba Island, thus the study was conducted. Twenty plots of 10 m × 10 m were established using the transect line plot method to identify, measure, and record the trees. Meanwhile, aboveground biomass estimation was conducted using a non-destructive method. Based on the results, the diversity index (H’ =1.5218) was very low, with a total of five true mangrove species identified. Among the five mangrove species, Sonneratia alba and Rhizophora mucronata dominated the area in terms of density, frequency, and number of individuals recorded. Mangrove vegetation analysis showed that S. alba has the highest importance value index of 115.78%, followed by R. mucronata and Rhizophora apiculata. The mean aboveground biomass (AGB) of mangroves in Mahaba Island was 1.064968 Mg ℎ????−1 and a mean carbon stock of 0.5112 Mg ℎ????−1.
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