Dynamics of forest loss in the southeast of the Peruvian Amazon: a case study in Madre de Dios
Open accessAbstract
: La Amazonia occidental, puntualmente la región de Madre de Dios, es conocida como la capital de la biodiversidad del Perú y es reconocida mundialmente como uno de los lugares con mayor biodiversidad de la Tierra. Sin embargo, se ha visto amenazada por un grave problema de pérdida de bosques. Las principales amenazas ambientales se deben a una mala gestión del territorio que ocasionan la concentración de tierras, expansión agrícola, ganadería, minería de oro y la explotación económica descontrolada. El presente estudio analiza la dinámica de pérdida de bosques y los cambios de uso de suelo entre 1999-2018. Para la cuantificación de la pérdida de bosque se utilizaron técnicas de sensoramiento remoto, imágenes Landsat 5 Thematic Mapper (TM) y 8 Operational Land Imagery (OLI). Las imágenes fueron procesadas utilizando una clasificación supervisada denominada Neural Net. La metodología incluye procedimientos de validación utilizando puntos de verificación de campo e imágenes de teledetección de media y alta resolución de diferentes sensores (SPOT-5, PlanetScope, WorldView y Drone). Los resultados mostraron una pérdida de bosque durante 1999-2018 de 1698.63 km2 , con una tasa anual de -0.21% y una pérdida promedio de 59.28 km2 /año. Para los cambios de bosques a otros usos de la tierra, encontramos la conversión 841.41 km2 durante 2014-2018. Nuestros resultados indican que la agricultura es la mayor responsable del avance de la deforestación (72.90%), mientras que la minería de oro tiene una mayor incidencia en los sectores focalizados.
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Gold mining has been increasing since 1984, especially in Madre do Dios, Peru.
“Gold mining has been increasing since 1984, especially in Madre do Dios, Peru [122-124].”
From A systematic comparison of deforestation drivers and policy effectiveness across the Amazon biome (2023) · cites this paper as [123]
The passage labelled Financiación (page unavailable) reports increases in gold-mining extraction areas in the Madre de Dios study area across periods from 1999 to 2018. It does not establish that the increase began in 1984; the Discusión (page unavailable) instead describes a mining upturn beginning in 2004–2009. (LLM, conf=0.88)
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A systematic comparison of deforestation drivers and policy effectiveness across the Amazon biome
Hänggli, A., Levy, S. A., Armenteras, D., Bovolo, C. I., Brandão, J., Rueda, X., & Garrett, R. D. (2023) · Environmental Research Letters · doi:10.1088/1748-9326/acd408 · Cited by 73 · see citing works
- Authors
- Alarcon Aguirre, G., Canahuire Robles, R. R., Guevara Duarez, F. M., Rodríguez Achata, L., Gallegos Chacón, L. E., & Garate-Quispe, J.
- Affiliations
- Amazon National University of Madre de Dios (PE)
- ORCID
- Venue
- Ecosistemas
- Published
- 2021-08-22
- Volume
- 30
- Issue
- 2
- Pages
- 1-11
- ISSN
- 1697-2473 (ISSN-L)
- OpenAlex
- W3195546311
- Cited by
- 18
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 2 · 2023: 5 · 2022: 4 · 2021: 1 · 2017: 1
- FWCI
- 1.23
- Type
- journal article
- Language
- es
- Open access
- diamond
- doi.org
- Licence
- cc-by-nc
- Locations
- Ecosistemas (publishedVersion, cc-by-nc)
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Conservation, Biodiversity, and Resource Management
- Physical Sciences › Environmental Science › Global and Planetary Change › Land Use and Ecosystem Services
- Physical Sciences › Environmental Science › Ecology › Remote Sensing in Agriculture
- Keywords
- forest loss, deforestation, land use change, Madre de Dios, Peruvian Amazon, agricultural expansion, gold mining, forest-to-agriculture conversion, Landsat imagery, supervised classification
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