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Greenhouse gas mitigation potential of combining forest management and bioenergy substitution: a case study from Central Highlands of Michoacan, Mexico

De Jong, Bernardus Hendricus Jozeph [autor/a] | Masera Cerutti, Omar Raúl [autor/a] | Olguín, Marcela [autor/a] | Martínez, Rene [autor/a].
Tipo de material: Artículo ArtículoTema(s): Gases de efecto invernadero | Captura de carbono | Gestión de recursos | Energía biomásica | Conservación de bosquesDescriptor(es) geográficos: Nuevo San Juan Parangaricutiro, Nuevo Parangaricutiro (Michoacán de Ocampo, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Forest Ecology and Management. volumen 242, número 2-3 (April 2007), páginas 398-411. --ISSN: 0378-1127Número de sistema: 46168Resumen:
Inglés

Key to climate change abatement strategies is the understanding of the comparative carbon mitigation implications of management of native forests oriented to different end-uses such as conservation, conventional management, or integrated management that includes bioenergy. In Mexico 95% of total logging is conducted in native forests, and 80% of it in pine-oak forests. In this paper we compare the carbon mitigation dynamics of mixed native pine-oak forests in Central Mexico under current management - used as a reference scenario - with two alternative scenarios: (a) oak conservation and (b) oak conservation + bioenergy. To estimate the carbon fluxes for each scenario and each forest type we used the CO2FIX V3.1 model, a user-friendly tool designed to calculate all carbon fluxes in forest stands, forest-derived products and bioenergy technologies based on forest slash and industrial residues. The CO2FIX model applies a cohort-type approach to estimate carbon fluxes in mixed or uneven-aged forests where species groups or age cohorts typically show differences in growth, biomass allocation, intra and inter-cohort competition, and mortality.

The product module tracks the carbon in products derived from the forests until the decomposition is complete, whereas the bioenergy module compares total greenhouse gas dynamics of reference and alternative bioenergy technologies, applying IPCC guidelines to estimate the carbon equivalence of the various greenhouse gases. We compare the outcome of the three scenarios in a managed community forest of about 11,000 ha in Michoacan, Central Mexico. The carbon mitigation potential after 20 years varied between 8.2 and 19.3 t C/ha for the oak conservation scenario and between 21.6 and 42.9 t C/ha for the oak conservation-bioenergy scenario. The bioenergy scenario results in a continuous stream of about 1.36 t C/ha of carbon benefits per year, whereas the oak conservation scenario will stop accumulating carbon after 40 years, compared to current forest management and energy generation.
Lista(s) en las que aparece este ítem: Energia
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Disponible para usuarios de ECOSUR con su clave de acceso

Key to climate change abatement strategies is the understanding of the comparative carbon mitigation implications of management of native forests oriented to different end-uses such as conservation, conventional management, or integrated management that includes bioenergy. In Mexico 95% of total logging is conducted in native forests, and 80% of it in pine-oak forests. In this paper we compare the carbon mitigation dynamics of mixed native pine-oak forests in Central Mexico under current management - used as a reference scenario - with two alternative scenarios: (a) oak conservation and (b) oak conservation + bioenergy. To estimate the carbon fluxes for each scenario and each forest type we used the CO2FIX V3.1 model, a user-friendly tool designed to calculate all carbon fluxes in forest stands, forest-derived products and bioenergy technologies based on forest slash and industrial residues. The CO2FIX model applies a cohort-type approach to estimate carbon fluxes in mixed or uneven-aged forests where species groups or age cohorts typically show differences in growth, biomass allocation, intra and inter-cohort competition, and mortality. eng

The product module tracks the carbon in products derived from the forests until the decomposition is complete, whereas the bioenergy module compares total greenhouse gas dynamics of reference and alternative bioenergy technologies, applying IPCC guidelines to estimate the carbon equivalence of the various greenhouse gases. We compare the outcome of the three scenarios in a managed community forest of about 11,000 ha in Michoacan, Central Mexico. The carbon mitigation potential after 20 years varied between 8.2 and 19.3 t C/ha for the oak conservation scenario and between 21.6 and 42.9 t C/ha for the oak conservation-bioenergy scenario. The bioenergy scenario results in a continuous stream of about 1.36 t C/ha of carbon benefits per year, whereas the oak conservation scenario will stop accumulating carbon after 40 years, compared to current forest management and energy generation. eng

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