Evaluation of Mangrove Cover Changes in Mexico During the 1970–2005 Period
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- Valderrama, L., Troche, C., Rodriguez, M.T. et al. Wetlands (2014) 34: 747. doi:10.1007/s13157-014-0539-9
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Our objective was to evaluate the changes of mangrove forest coverage of Mexico and adjacent land cover types in the coastal zone between 1970 and 2005 by remote sensing techniques. Based on maps generated by the National Commission for the Knowledge and Use of Biodiversity (CONABIO for its Spanish acronym), three land cover change indicators were estimated: net change, stability of location, and stability of residence. Analyses were made at national and regional (Northern Pacific, Central Pacific, Southern Pacific, Gulf of Mexico, and Yucatan Peninsula) scales, and for the 17 states presenting mangroves. At the national level during the studied period we observed a 10 % net loss of mangrove. At the state level, 13 states lost area, three gained area, and one showed no change in mangrove cover. According to the indicators of location stability and residence stability, the lowest values were recorded in four states within the Pacific Ocean coast (Jalisco, Colima, Guerrero, and Oaxaca), while the highest values corresponded to two states of the Gulf of Mexico (Tamaulipas and Tabasco). Many of the changes in mangrove cover we detected were attributed to crop and animal husbandry activities, and to anthropic infrastructure.