Carbon sequestration in a tropical landscape: an economic model to measure its incremental cost |
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Authors: | GE Shively CA Zelek DJ Midmore TM Nissen |
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Institution: | (1) Agricultural Economics, Purdue University, West Lafayette, IN, USA;(2) USDA-NRCS, Indianapolis, IN, USA;(3) Biological and Environmental Sciences, Central Queensland University, Rockhampton, QLD, AUS;(4) Natural Resources and Environmental Studies, University of Illinois, Urbana, IL, USA |
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Abstract: | Farm level rates of carbon sequestration are derived for timber and agroforestry systems based on Paraserianthes falcataria. An economic model is used to measure the incremental cost of carbon storage, based on the opportunity cost of land diverted
from annual crop production. The method is applied to the Manupali watershed, in the Philippine province of Bukidnon, to estimate
carbon storage potential and carbon storage costs at a landscape scale. Carbon storage via land use modification is calculated
to cost between $3.30 per ton on fallowed lands and $62.50 per ton on land that otherwise supports high value cropping. Carbon
storage through agroforestry is less costly than via a pure tree-based system; a strong argument for the role of agroforestry
rather than forestry per se, in re-forestation projects.
This revised version was published online in June 2006 with corrections to the Cover Date. |
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Keywords: | Farm forestry Land conversion Marginal cost Paraserianthes falcataria Philippines |
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