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Investigaciones geográficas
versión On-line ISSN 2448-7279versión impresa ISSN 0188-4611
Resumen
SALINAS CASTILLO, Wilver Enrique; TREVINO GARZA, Eduardo Javier; JARAMILLO TOVIAS, Juan Guadalupe y CAMPOS FLORES, Jesús Alejandro. Identification and classification of inland wetlands in Tamaulipas through remote sensing and geographic information systems. Invest. Geog [online]. 2002, n.49, pp.74-91. ISSN 2448-7279.
This work aimed to identify and classify artificial and natural inland wetlands in the state of Tamaulipas, Mexico, important for migratory aquatic birds. Historically, efforts nave been focused on natural coastal wetlands or specific water bodies located in highlands; however, these surveys have not reflected the dramatic changes in landscape due to farming development in northem Mexico in the Iatest decades. Agricultural fieids and dams associated to them provide food, water and shelterto many migratory birds and other species, a fact not well documented. Factors that may influence the use of wetlands were analyzed, including surface area, associated vegetation and proximity to agricultural fieids. The inventory of inland wetlands was based on the analysis of seven 2000 Landsat ETM satellite imagery and field data gathered from 261 sites surveyed in 2001. Baseline maps were created and GIS analyses were undertaken to classify these water bodies. More than 23 000 inland wetlands were identified, and the information derived from this study will be assist in the development of programs to manage and protect wetlands of importance for migratory aquatic birds in Tamaulipas.
Palabras llave : Landsat; migratory; wetlands; geographical information systems (GIS).