Abstract (en):
Wetlands are among the most productive ecosystems in the world, but its importance is not yet widely recognized. Although these ecosystems are constantly subject to natural changes, human activity has accelerated change rates significantly and it is estimated that more than half the area of wetlands in the world was lost during the last century. This trend was verified in Colombia and almost a quarter of wetlands surface has been converted to other land covers. Using spatial data and quantitative methods, this study quantifies the transformation of wetland areas in the country, identifies the drivers of this transformation and explores the association with
other socioeconomic factors. Results indicate that cattle raising and agriculture are the main drivers of wetland change in the country, and to a lesser extent mining, urbanization, and infrastructure. The relationships of wetland transformation with change drivers vary throughout the territory, which should be considered for wetland management and conservation policies in the country.
Abstract (es):
Los humedales están entre los ecosistemas más productivos del mundo, pero su importancia todavía no es ampliamente reconocida. Aunque son ecosistemas sujetos constantemente a cambios naturales, la acción humana ha acelerado las tasas de cambio de forma significativa y se estima que más de la mitad del área de humedales en el mundo se perdió durante el último siglo. En Colombia se verificó esta tendencia y se estimó que casi una cuarta parte de la superficie de humedales ha sido transformada a otro tipo de coberturas terrestres. Este estudio cuantifica las áreas de humedal que se han transformado por intervención antrópica, identifica los disturbios responsables de esa transformación y explora la asociación con otros factores socioeconómicos usando datos espaciales y métodos cuantitativos. Los resultados indican que la mayor parte de áreas de humedal transformadas en el país están dedicadas a la ganadería y la agricultura, y en menor medida a la minería, la urbanización, la construcción de vías y obras civiles. Las relaciones entre la transformación de humedales y los factores de cambio varían a lo largo del territorio, lo cual debe tenerse en cuenta para la gestión y conservación de los humedales del país.
Keywords:
Cambio de humedales, Factores socioeconómicos, Impulsores de cambio, Regresión ponderadageográficamente (es)
How to Cite
Patiño, J. E. (2016). Quantitative spatial analysis of Colombian continental wetlands transformation. Biota Colombiana, 17(Supl. 1). https://doi.org/10.21068/C2016s01a05
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