Volume 70, Issue 1 (31.03.2024)

Volume : 70
Issue : 1 (31.03.2024)
   
Authors : Guilherme da Silva RIOS, Derielsen Brandao SANTANA, Guilherme Henrique Expedito LENSE, Bruno Aurelio SILVA, Joaquim Ernesto Bernardes AYER, Shuraik KADER, Velibor SPALEVIC, Felipe Gomes RUBIRA, Ronaldo Luiz MINCATO
Title : ESTIMATES OF SOIL LOSSES DUE TO WATER EROSION IN THE AMAZON BIOME
Abstract : Located in the Brazilian Amazon biome, the Chico Mendes Extractive Reserve, Acre state, is an important area for the conservation of biodiversity and ecosystem services in the region. Despite its importance, it faces challenges such as illegal deforestation, mining, and forest fires, which increase water erosion processes and generate environmental and socioeconomic negative impacts. The need to understand these impacts motivate this research, with the objective of evaluating the influence of forest fires on water erosion and quantify soil losses at this site. For this purpose, we employed the Revised Universal Soil Loss Equation (RUSLE), utilizing parameters obtained from scientific literature and remote sensing data, such as the Normalized Difference Vegetation Index (NDVI), enabling a temporal analysis of vegetation cover. Our results indicate low variations in average soil loss rates, ranging from 3.00 to 3.74 Mg ha⁻¹ yr⁻¹ from 2019 to 2021. In 2021, an increase in soil loss rates was observed due to a higher incidence of forest fires, especially in pasture areas. It is concluded that the preservation and adequate management of vegetation cover are essential for the protection of natural resources. The need to adopt and develop conservation and sustainable management strategies through public policy should contribute to the mitigation of environmental impacts. Furthermore, the results obtained can highlight the importance of environmental conservation
For citation : Rios, G. S., Santana, D. B., Lense, G. H. E., Silva, B. A., Ayer, J. E. B., Kader, S., Spalevic, V., Rubira, F. G., & Mincato, R. L. (2024). Estimates of soil losses due to water erosion in the Amazon biome. Agriculture and Forestry, 70(1), 361-378. https://doi.org/10.17707/AgricultForest.70.1.23
Keywords : Soil Degradation, Forest Fires, Land Use and Land Cover, MapBiomas Project, Remote Sensing
   
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