Dynamics of the agricultural frontier of the zapotal hydrographic basin system through remote sensing tools

Deforestation is one of the most critical problems facing humanity. Ecuador is one of the Latin American countries with the highest rate of forest clearing compared to its size, mainly due to the increase in agricultural area. The objective of this work was to determine the dynamics and changes that have occurred in the agricultural frontier in the last 30 years in the hydrographic basins belonging to the Zapotal using remote sensing tools. The images were obtained from the Sentinel 2 and Landsat satellites from 1990 to 2020. The free QGIS software was used to analyze, classify and process the satellite images; Through a confusion matrix and the kappa index, precision was evaluated. High quality and resolution satellite images corresponding to the period from 1990 to 2020 were obtained and processed. The Normalized Difference Vegetation Index (NDVI) allowed us to know the dynamics of the formation of the vegetation of the studied period and, consequently, the uses of the land. soil depending on the vegetation cover. The dynamics of the agricultural frontier, determined through the remote sensing tools used in this study, shows a decrease of approximately 15%. The methodology used in this study proved to be effective and economical to understand the dynamics of the agricultural frontier, which provides an effective tool to monitor, plan, and execute various territorial planning and local development projects.

• Yazar: García Ortega, Yoansy (author)
• Diğer Yazarlar: Valdez Rivera, Danilo (author), Mancero Castillo, Daniel (author)
• Materyal Türü: article
• Dil: spa
• Baskı/Yayın Bilgisi: 2023
• Konular: sistema de información geográfica; agricultura; uso de suelo; geographic information system; agriculture; land use
• Online Erişim: https://revistas.uteq.edu.ec/index.php/cyt/article/view/637