Development of an agroforestry carbon sequestration project in Khammam district,India |
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Authors: | P Sudha V Ramprasad M D V Nagendra H D Kulkarni N H Ravindranath |
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Institution: | (1) Centre for Ecological Sciences, Indian Institute of Science, Bangalore, India;(2) ITC, Paperboards and Specialty Papers Division, Bhadrachalam, India |
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Abstract: | This paper addresses methodological issues in estimating carbon (C) sequestration potential, baseline determination, additionality
and leakage in Khammam district, Andhra Pradesh, southern part of India. Technical potential for afforestation on cultivable
wastelands, fallow, and marginal croplands was considered for Eucalyptus clonal plantations. Field studies for aboveground and belowground biomass, woody litter, and soil organic carbon for baseline
and project scenarios were conducted to estimate the carbon sequestration potential. The baseline carbon stock was estimated
to be 45.3 t C/ha, predominately in soils. The additional carbon sequestration potential under the project scenario for 30 years
is estimated to be 12.8 t C/ha/year inclusive of harvest regimes and carbon emissions due to biomass burning and fertilizer
application. Considering carbon storage in harvested wood, an additional 45% carbon benefit can be accounted. The project
scenario has a higher benefit/cost ratio compared to the baseline scenario. The initial investment cost requirement, however,
is high and lack of access to investment is a significant barrier for adoption of agroforestry in the district.
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Keywords: | Climate mitigation Afforestation Aboveground biomass Soil organic carbon Baselines Leakage |
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