Carbon stock assessment of the undisturbed forest in the heavily mined Island of Nonoc, Surigao City, Philippines

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Research Paper 11/02/2023
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Carbon stock assessment of the undisturbed forest in the heavily mined Island of Nonoc, Surigao City, Philippines

Joylinber P. Tandingan*1, Nethanel Roland A. Ignacio2, Aiyan P. Villalon3, Jules Dominic S. Catulay4, Cresencio C. Cabuga, Jr.
J. Bio. Env. Sci.22( 2), 26-38, February 2023.
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Forest serves as a significant carbon sink that helps minimize carbon concentrations in the atmosphere through the process of carbon sequestration. The purpose of this study was to determine the total carbon storage of the forest reserve area in Nonoc Island, Surigao City, as one of the areas in Surigao del Norte facing threats of forest degradation from mining and anthropogenic activities. Non-destructive and destructive sampling methods were used to determine the total aboveground (TAG) and belowground (BG) biomass density (BD) and carbon stock of the natural forest’s various carbon pools. Results revealed a total BD of 606Mg ha-1 composed of 484Mg ha-1 TAG while BG is 122Mg ha-1. The forest has an estimated carbon stock value of 368Mg ha-1. Artocarpus blancoi has the highest carbon stock value of 41Mg ha-1 among the 19 species of trees recorded in the area. This implies that the Nonoc Island Forest reserve stored a significant amount of carbon, similar to the reports of other natural forests in the country that may help reduce carbon concentration. As a result, this study would like to recommend preserving and improving the island’s remaining forest areas, not only for forest resource conservation but also for climate change mitigation measures.


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