Impacto de huracanes en las praderas de Thalassia testudinum (Hydrocharitaceae) en el Caribe Mexicano
Hurricanes have increased in strength and frequency as a result of global climate change. This research was conducted to study the spatio-temporal distribution and changes of Thalassia testudinum, the dominant species in Bahia de la Ascension (Quintana Roo, Mexico), when affected by heavy weather conditions. To complete this objective, a 2001 Landsat ETM+ image and the information from 525 sampling stations on morpho-functional and coverage of T. testudinum were used, and the seeds generated for the classification of eight benthic habitats. To quantify the changes caused by two hurricanes, we used two images, one of 1988 (Gilberto) and another of 1995 (Roxanne); other three data sets (2003, 2005 and 2007) were also used to describe the study area without major weather effects. Six categorial maps were obtained and subjected to analysis by 8 Landscape Ecology indexes, that describe the spatial characteristics, structure, function, change of the elements (matrix-patch-corridor), effects on ecosystems, connectivity, edges, shape and patch habitat fragmentation.
Main Authors: | Arellano Méndez, Leonardo U., Liceaga Correa, María de los A. autor/a, Herrera Silveira, Jorge Alfredo autor/a 13940, Hernández Núñez, Héctor autor/a |
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Format: | Texto biblioteca |
Language: | spa |
Subjects: | Thalassia testudinum, Indicadores ambientales, Cambio climático, Huracán Gilbert, 1988, Huracán Roxanne, 1995, Paisajes fragmentados, Artfrosur, |
Online Access: | http://www.ots.ac.cr/tropiweb/attachments/volumes/vol59-1/34-Arellano-Huracanes_Thalassia_Caribe_Mexico.pdf |
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