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Fire-induced carbon emissions from tropical mixed broad-leaved forests of the Terai–Siwalik region,central Nepal

Journal of Forestry Research 2021年第6期32卷 2557-2565页

作者： Krishna Bahadur Bhujel Rejina Maskey Byanju ambika pgautam Ramesh Prasad Sapkota Udhab Raj Khadka Central Department of Environmental Science Tribhuvan UniversityKathmanduNepal Kathmandu Forestry College Tribhuvan UniversityKathmanduNepal

Forest fires are one of the major environmental issues *** Nepal,substantial amounts of forest biomass and carbon are lost due to ***’s high value lowland forests are particularly vulnerable to ***,there are limited studies on the estimation of biomass loss and carbon emissions due to ***,this research addresses the information gap in the tropical mixed broad-leaved forests of Nawalparasi *** forests were divided into three strata:Lower Tropical Sal Mixed Broad-leaved Forest,Hill Sal Forest and Riverine Forest,and from these four community-managed forests were selected for estimating above ground ***-two sample plots were set out for above ground biomass estimation in burnt and non-burnt *** fire incidences from 2001 to 2017 were acquired from the MODIS fire *** biomass and carbon emissions were estimated using standard allometric *** fuel fraction consumed during the fire was estimated through field surveys during the forest fire *** results show that every year,over 3158 ha of forests are burnt,resulting in some 1108 tons of carbon emissions,equivalent to approximately 4066 t CO_(2),2581 t CO and 1474 t *** the forests,the Hill Sal Forest was more vulnerable to *** management strategies,therefore,should include construction of fire lines and conservation ponds along with capacity building and raising awareness among local communities and stakeholders.

关键词： Atmosphere Biomass density Burnt area Carbon emission Greenhouse gases

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