Study of Carbon Stock Potential and Carbon Absorption on Pamonean Land of Mentawai Community at Siberut Island
Abstract
The amount of carbon stored in each land varies depending on the species diversity and the existing plant density, the type of soil and the form of management. Long-lived plants or trees grown in forests as well as extensive mixed gardens (agroforestry) are much larger carbon storage than other forms of management. Pamonean is an agroforestry land of indigenous people at Mentawai that have been carried out from generation to generation and are different from other land management systems in Sumatera. Research on carbon stock potential and carbon absorbtion capability in pamonean lands indigenous peoples at Mentawai was conducted in April 2018. Data collection for tree and sapling rates using non destructive methods and using allometric equations Kettering, Hairiah and Arifin. Result of analysis get total pamonean carbon stock equal to 155,66 ton/ha with capability of CO2 absorption equal to 571,27 ton/ha. The highest carbon reserves are found at the tree level of 135.05 ton/ha, the sapling rate of 20.61 tons/ha. Cultivated plants contribute the highest carbon stock of 98.35 tons/ha, while the value of wild plant carbon stocks allowed to grow by 57.31 tons/ha. The Pamonean Lands of Mentawai indigenous peoples are an important part of the world climate change mitigation efforts.
Keywords: stock carbon, absorptions, Pamonean and Mentawai
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