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Please use this identifier to cite or link to this item: http://hdl.handle.net/10961/4066

Title: Assessment and mapping the sensitive areas to desertification in an insular Sahelian mountain region Case study of the Ribeira Seca Watershed, Santiago Island - Cabo Verde
Authors: Tavares, Jacques
Baptista, Isaurinda
Ferreira, António
Amiotte-Suchet, Philippe
Coelho, Celeste
Gomes, Samuel
Amoros, Regla
Dos Reis, Eduardo Amarildo
Mendes, Adriano
Costa, Lenira
Bentub, Jailson
Varela, Larissa
Issue date: 2014
Publisher: INIDA - Pareceiros
Abstract: This paper presents the assessment and mapping of the Ribeira Seca catchment, an insular Sahelian mountain region sensitive to desertification, located on the island of Santiago, Cabo Verde. Desertification is a threat to the global environment, representing a serious ecological problemin Cabo Verde. To successfully combat desertification, an evaluation of desertification consequences is required and the building of cartography of the sensitivity for arid and semi-arid ecosystems is required as a first step. The MEDALUS model was the basis for this study in which six quality indicators were used: climate, soil, vegetation, land management, erosion and social factors. Several parameters were defined for each indicator with weights varying between 1 (very low) and 2 (very high). The geometric mean of each of the six quality indicators was employed to produce a map of areas sensitive to desertification. The results of this study show that more than 50% of the watershed show clear evidence of becoming a desertified area.
URI: http://hdl.handle.net/10961/4066
Appears in Collections:CNIDA - Documentos INIDA

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