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Aplicación de índices de cambios para evaluación de las alteraciones en el uso de las tierras

Authors: Marcos Antonio dos Santos; Rozely Ferreira dos Santos;

Aplicación de índices de cambios para evaluación de las alteraciones en el uso de las tierras

Abstract

En planificación ambiental la interpretación de los cambios de un paisaje en términos cualitativo, cuantitativo y espacial es importante para comprender las causas de las presiones humanas, reconocer el escenario actual y tomar decisiones sobre el escenario futuro. Este estudio argumenta que estas respuestas son conseguidas eficientemente a partir del uso de los índices de cambios. De esta manera, se busca seleccionar, desarrollar, asociar y aplicar índices de cambio con el auxilio de un sistema de información geográfica, con el propósito de mensurar las transformaciones en el uso y ocupación de tierras ocurridas en una región dentro de una serie temporal. La propuesta metodológica fue aplicada en cuatro ciudades de la región agrícola de Andradina (São Paulo, Br), en una serie temporal entre los años 1970-2000. El análisis de estos índices ayudó a entender las variaciones resultantes de los levantamientos cartográficos de la serie temporal adoptada. A partir de los índices se pueden evaluar: la cuantificación de los cambios en términos del tipo de uso y área ocupada; los porcentajes relativos de los cambios temporales; el desplazamiento del área de los cambios; y la concentración o dispersión de los cambios en el espacio territorial.

Keywords

Geography (General), Human pressure, Presión humana, Index, Paisaje, Índice, Cambios temporales, G1-922, Landscape, Temporal change

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold