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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Fragmentation analysis for prediction of suitable habitat for vectors: Example of riverine tsetse flies in Burkina Faso
Journal of Medical Entomology, Volume 45, No. 6, Year 2008
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Description
Tsetse flies are the cyclic vectors of sleeping sickness and African animal trypanosomosis. The possibility to classify the natural habitat of riverine tsetse species is explored in the Mouhoun River basin, Burkina Faso: the objectives were to discriminate the riverine forests community types and their fragmentation levels by using Landsat 7 enhanced thematic mapper images, to map tsetse densities. Glossina palpalis gambiensis Vanderplank 1949 (Diptera: Glossinidae) and G. tachinoides Westwood, 1850 are the vectors of trypanosomoses in this area. After a supervised classification, the community types were discriminated using the water area in 400-m-wide polygons around the river. A fragmentation analysis of the swamp forest unit, cross-tabulated with the community types, lead to identification of the final landscapes where tsetse apparent densities (ADT) were implemented using a training data set of 608 trap locations. The predicted ADT were then compared with an independent validation data set of 78 trap locations. The correlation between the model predictions and the validation data set was high, validating this approach (P < 0.001). The riverine forest community type and fragmentation level are critical factors for riverine tsetse species, which should be taken into consideration to map their suitable habitat. © 2008 Entomological Society of America.
Authors & Co-Authors
Guerrini, Laure
France, Paris
Cirad
Burkina Faso, Bobo-dioulasso
Centre International de Recherche-developpement Sur Lelevage en Zone Subhumide, Bobo-dioulasso
Bord, J. P.
France, Montpellier
Universite Paul-valery Montpellier Iii
Ducheyne, Els I.
Belgium, Zoersel
Agriculture and Veterinary Information and Analysis, Belgium
Bouyer, Je´re´my
France, Paris
Cirad
Burkina Faso, Bobo-dioulasso
Centre International de Recherche-developpement Sur Lelevage en Zone Subhumide, Bobo-dioulasso
Statistics
Citations: 51
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1603/0022-2585(2008)45[1180:FAFPOS]2.0.CO;2
ISSN:
00222585
Research Areas
Environmental
Study Locations
Burkina Faso