Spatial expansion of avocado in Mexico: Could the energy use of pruning residues offset orchard GHG emissions?
Por:
Tauro R., Manrique S., Franch-Pardo I., Charre-Medellin J.F., Ortega-Riascos C.E., Soria-González J.A., Armendáriz-Arnez C.
Publicada:
1 ene 2024
Ahead of Print:
1 ago 2023
Resumen:
Avocado orchards (Persea americana) in Mexico are constantly being expanded to meet the increasing demand for the fruit in the national and international markets. The land-use change (LUC) caused by this expansion has numerous negative impacts, including greenhouse gas (GHG) emissions due to the loss of forest cover and the burning of pruning residues. To generate a comprehensive evaluation of this complex environmental issue, we calculate emissions from LUC and from residue burning between 1974 and 2017 at a local scale (1:20,000), and the energy potential of pruning residues was estimated as an alternative to revalue a waste product and mitigate the negative impacts of avocado cultivation. Our results show that land-use conversions emitted 390.5 GgCO2, of which 91% came from conversions to avocado orchards. Emissions of GHG from biomass burning amounted to an additional 20.68 GgCO2e released per year. Given that around 12,600 tons of dry avocado pruning residues are generated annually in the study region, their use for energy generation could replace 240 TJ/year of fossil fuels in rural industries and could mitigate around 31 GgCO2e per year. This study provides decision-makers with a concrete example of how to establish multiple-impact strategies at local scales. © The Author(s) 2023.
Filiaciones:
Tauro R.:
Escuela Nacional de Estudios Superiores (ENES), Unidad Morelia, Laboratorio de Contaminación y Salud Ambiental, Universidad Nacional Autónoma de México (UNAM), Antigua Carretera a Pátzcuaro 8701, Exhacienda de San José de la Huerta, Morelia, 58190, Mexico
Programa Investigadores por México, Consejo Nacional de Ciencia y Tecnología (CONACYT), Av. Insurgentes Sur 1582, Col. Crédito Constructor, Alcaldía Benito Juárez, Mexico City, 03940, Mexico
Manrique S.:
Instituto de Investigaciones en Energía No Convencional (INENCO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Salta (UNSa), Avenida Bolivia 5150, Salta, A4408FVY, Argentina
Red Iberoamericana de Tecnologias de Biomasa y Bioenergía Rural (ReBiBiR-T), Programa Iberoamericano de Ciencia y Tecnología para el Desarrollo (CYTED), Amaniel 4, Madrid, Spain
Department of Geology, Geography and Environment, Alcalá University, Madrid, 28871, Spain
Franch-Pardo I.:
Escuela Nacional de Estudios Superiores, Unidad Morelia, Laboratorio de SIG, Universidad Nacional Autónoma de México, Antigua Carretera Pátzcuaro 8701, Indeco la Huerta, Michoacán, Morelia, 58190, Mexico
Charre-Medellin J.F.:
Escuela Nacional de Estudios Superiores, Unidad Morelia, Laboratorio de SIG, Universidad Nacional Autónoma de México, Antigua Carretera Pátzcuaro 8701, Indeco la Huerta, Michoacán, Morelia, 58190, Mexico
Ortega-Riascos C.E.:
Escuela Nacional de Estudios Superiores, Unidad Morelia, Laboratorio de SIG, Universidad Nacional Autónoma de México, Antigua Carretera Pátzcuaro 8701, Indeco la Huerta, Michoacán, Morelia, 58190, Mexico
Soria-González J.A.:
Facultad de Ingeniería en Tecnología de la Madera, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), Morelia, 58040, Mexico
Armendáriz-Arnez C.:
Escuela Nacional de Estudios Superiores (ENES), Unidad Morelia, Laboratorio de Contaminación y Salud Ambiental, Universidad Nacional Autónoma de México (UNAM), Antigua Carretera a Pátzcuaro 8701, Exhacienda de San José de la Huerta, Morelia, 58190, Mexico
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