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Análisis de textura en imágenes de satélite en el ámbito de la biodiversidad y la estructura en un bosque de los Andes colombianos

dc.creatorAnaya Acevedo, Jesús Adolfospa
dc.creatorDuque Londoño, Rosa Alexandraspa
dc.creatorValencia Hernández, Germán Mauriciospa
dc.date.accessioned2017-06-15T22:05:18Z
dc.date.available2017-06-15T22:05:18Z
dc.date.created2008
dc.identifier.citationAnaya Acevedo, J.A.; Duque Londoño, R. A. & Valencia Hernández G. M. (2008). Análisis de textura en imágenes de satélite en el ámbito de la biodiversidad y la estructura en un bosque de los Andes colombianos. Gestión y Ambiente, 11(3). 137-146.spa
dc.identifier.issn0124177X
dc.identifier.urihttp://hdl.handle.net/11407/3413
dc.descriptionEste trabajo evalúa la relación entre la textura calculada a partir de una imagen de satélite Ikonos con la diversidad y la estructura a lo largo de un corredor con 43 parcelas en los bosques andinos de Colombia. Para ello, utiliza índices de diversidad calculados en 43 parcelas y mapas detallados de Usos del Suelo que separan los bosques desde un punto de vista estructural. A partir de la imagen se obtuvieron valores de textura utilizando matrices de co-ocurrencia de niveles de gris, GLCM (por sus siglas en Inglés Gray Level Co¬ occurrence matrix) y GLDV (Grey Level Dif erence Vector). Tradicionalmente la textura se ha interpretado desde el punto de vista cualitativo entre liso y rugoso, sin embargo nuestra aproximación con el uso de matrices permite una medición cuantitativa. Los valores de textura se relacionan con información de campo con dos niveles de detalle distintos: primero con estudios de biodiversidad (índice de Shannon y riqueza) en zonas de bosque a partir de levantamiento de parcelas en campo; y segundo con el mapa de Uso del Suelo (bosque natural, bosque plantado, bosque secundario, cultivos y pastos), zonas consideradas como representativas de la estructura de la vegetación. Los resultados se basan en las relaciones entre estructura y diversidad, textura y diversidad y textura y estructura. La textura en Ikonos muestra una alto potencial para separar bosques en diferentes estados sucesionales; sin embargo, la relación entre datos obtenidos por teledetección y diversidad sigue siendo débil. Se alude frecuentemente a imágenes Landsat de la misma zona a modo de referencia o comparación.spa
dc.descriptionThe relationship between texture calculated from an Ikonos image with diversity and structure was evaluated along a corridor with 43 field plots in the Colombian Andes. Diversity indexes were calculated at the 43 plots and Land Use maps were used as an approach to vegetation structure. Texture was obtained from an Ikonos image using Gray Level Co¬occurrence Matrix GLCM and Gray Level Difference Vector GLDV. Traditionally, texture has been interpreted from a qualitatively point of view from smooth to rough, however our approach using a matrix allows for a quantitative measurement. Texture was related to field information at two different detail levels: first with diversity measurements (Shannon Index and Richness) established at forest plots and second, with classes of a land use map (primary forest, secondary forests, forest plantation, crops and pastures) considered to be representative of vegetation structure. Results are based on relations between structure¬diversity, texture¬diversity and texture¬ structure. Ikonos texture presents a large potential to classify forests at different sucessional stages; however, the relation between diversity and data gathered with remote sensing is still weak. Landsat images are mentioned throughout the text as a reference or comparison with Ikonos images.spa
dc.language.isospa
dc.publisherUniversidad Nacional de Colombiaspa
dc.relation.isversionofhttp://revistas.unal.edu.co/index.php/gestion/article/view/14041/14819spa
dc.sourceGestión y Ambientespa
dc.subjectBiodiversidadspa
dc.subjectEstructura del Bosquespa
dc.subjectTexturaspa
dc.subjectIkonosspa
dc.subjectBiodiversityspa
dc.subjectForest Structurespa
dc.subjectTexturespa
dc.titleAnálisis de textura en imágenes de satélite en el ámbito de la biodiversidad y la estructura en un bosque de los Andes colombianosspa
dc.typeArticleeng
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.publisher.programIngeniería Ambientalspa
dc.publisher.facultyFacultad de Ingenieríasspa
dc.relation.ispartofesGestión y Ambiente. Volumen 11, Número 3, 2008.spa
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dc.identifier.eissn23575905
dc.type.driverinfo:eu-repo/semantics/article


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