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Revista bio ciencias

versión On-line ISSN 2007-3380


RIVERA GARCIA, J. E.; CRUZ ROMERO, B.  y  MORALES HERNANDEZ, J. C.. Zoning the susceptibility to landslides associated with natural phenomena in the Bahia de Banderas region. Revista bio ciencias [online]. 2020, vol.7, e892.  Epub 18-Nov-2020. ISSN 2007-3380.

The instability of hillsides is one of the most destructive geological phenomena that impact humanity. Mexico has a natural susceptibility to hillside landslides in more than two thirds of its territory, since it is made up of mountainous lands; despite this, the information regarding threat, susceptibility, danger and vulnerability is scarce and heterogeneous. With the aim of generating strategies for climate change mitigation through tools for land use and planning, the Bahia de Banderas region in Mexico was zoned for hillside landslides. The methodology applied by the Indian Standard was used, which considers an empirical approach for individual and collective repercussions; of the variables weighted according to their factors to determine areas with “high” susceptibility to the occurrence of this phenomenon. Such factors were classified as inherent and included slope and morphometry, considered as real conditions of the region analyzed; as well as external factors, related to extraordinary precipitation processes that are related to meteorological events and natural phenomena. As a result, 4.73 % of the area, equivalent to 70,121 ha, is highly susceptible to landslides in the region. This scenario puts 227 rural communities and 35 urban localities at risk, so it is necessary to generate information that allows decision makers to correctly manage the territory, guaranteeing public safety and a sustainable future.

Palabras llave : Hillside Instability; Geological Phenomena; Susceptibility; Land Management.

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