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Investigaciones geográficas

On-line version ISSN 2448-7279Print version ISSN 0188-4611


HOLLAND, Tara L.; MARISCAL ROMERO, José; DAVIDSON-ARNOTT, Robin  and  CARDILLE, Jeffrey. Landscape changes in a coastal system undergoing tourism development: implications for Barra de Navidad Lagoon, Jalisco, Mexico. Invest. Geog [online]. 2011, n.74, pp.7-18. ISSN 2448-7279.

In this study, changes in land cover and land use patterns that occurred between 1985 and 2000 in the surrounding basin of the Barra de Navidad coastal lagoon in Jalisco, Mexico are quantified and explained. Two satellite images from 1985 (Landsat TM) and 2000 (Landsat ETM+) were analyzed with supervised classification and ground truthing to evaluate changes in six land use/cover categories: lagoon, agriculture, urban/tourist, tropical dry forest, mangrove and bare substratum. Changes in land use composition were evaluated using a transition matrix and changes to configuration were interpreted using landscape metrics. Results show that urban and tourist areas expanded between 1985 and 2000, mostly at the expense of forested and bare land. Mangroves showed a large relative decrease in area (-39%) and experienced fragmentation. These changes appear to be related to increased sedimentation a fan progradation into Barra de Navidad lagoon. These results may serve as a model for comparison in other systems experiencing multiple stressors, especially changes related to tourism and the intensification of resource extraction.

Keywords : Landscape's metrics; land use/cover change; Barra de Navidad.

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