análise espaço-temporal da cobertura vegetal e uso da terra na interbacia do rio paraguai médio-mt, brasil spatio-temporal analysis of vegetation cover and land use in the middle paraguay river interbasin-mt, brazil

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ID: 173994
2013
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Abstract
O objetivo deste estudo foi realizar uma análise espaço-temporal da cobertura vegetal e do uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil, pelo geoprocessamento de imagens Landsat TM, dos anos 1991, 2001 e 2011. As imagens foram georreferenciadas, classificadas e processadas no software Spring e as classes temáticas, quantificadas e editadas no software ArcGis. Foram mapeadas sete classes, sendo as mais expressivas a vegetação nativa, a pastagem e a cana-de-açúcar. Os resultados indicaram alterações em todas as classes durante os últimos 20 anos, com a diminuição de 22,89% da vegetação nativa, relacionada com o aumento de 58,42% da pastagem e 490,26% de monocultura de cana-de-açúcar. Foi verificado o conflito de uso da terra, principalmente em áreas de mata ciliar, fato que pode influenciar negativamente na conservação da interbacia e, consequentemente, do pantanal mato-grossense.
This study analyzed spatial and temporal land use changes in the Middle Paraguay River Interbasin-MT, Brazil using Landsat images from 1991, 2001 and 2011. Images were geo-referenced, classified and processed using Spring software, and thematic classes were edited and quantified using ArcGis software. Seven map classes were identified, and native vegetation, pasture and sugarcane were the most significant ones. The results showed changes in all classes during the past 20 years, primarily a 22.89% decrease of native vegetation, a 58.42% increase in pasture and 490.26% increase of sugarcane monoculture. We verified land use conflicts, mostly in riparian areas, which may negatively influence Interbasin and, consequently, Pantanal conservation in the State of Mato Grosso, Brazil.
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pessoa2013revistaanlise Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Seyla Poliana Miranda Pessoa;Edinéia Aparecida dos Santos Galvanin;Jesã Pereira Kreitlow;Sandra Mara Alves da Silva Neves;Josué Ribeiro da Silva Nunes;Bruno Wagner Zago
Journal journal of veterinary medical research
Year 2013
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-67622013000100013
Keywords
land use spatio-temporal sensoriamento remotoforestry

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