Abstract
Ability of plant to fix atmospheric carbon dioxide and store it in biomass is contributing to global carbon cycle. Sacred groves, one of the regimes for forest management, play role in regulating climate by acting as sinks for carbon. Aiming to assess sequestrated carbon in tree the study was conducted in two sacred groves of Kathmandu valley, Nepal. Concentric circular plots of 20 m radius were used for data collection. Allometric equation having height, diameter, and specific gravity of tree was used to determine biomass. The calculated biomass of tree was converted to the carbon stock by using carbon fraction. Tree species of both sacred groves sequestered 15.08 metric tons of carbon. The carbon stock was high in Quercus-Myrsine forest and low in Schima-Pyrus forest.
Highlights
Carbon sequestration is the process of capturing and longterm storage of atmospheric carbon dioxide (CO2) in the biosphere
On the basis of importance value, three types of forest namely Schima-Pyrus, Myrsine-Persea, and Quercus-Myrsine were recorded in Pashupati Sacred Grove (PSG), whereas single forest type, Neolitsea cuipala, was identified in Bajrabarahi Sacred Grove (BSG) [19]
The lowest carbon stock was recorded from Schima-Pyrus forest (76.35 ton ha−1) whereas the tree species richness was high (n = 14)
Summary
Carbon sequestration is the process of capturing and longterm storage of atmospheric carbon dioxide (CO2) in the biosphere. Forests play a key role in climate change; both sinks and sources of carbon dioxide [2] and the rate of sequestration depend on the growing stages of tree. Above-ground biomass is determinant to the ecosystem’s potential for carbon storage. Forest trees are contributing to reduce atmospheric CO2 concentration by accumulating it as biomass [4]. This plays an important role in regulating the concentration of atmospheric CO2 and global climate change [5]
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