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Title: The Influence of Dams on Malaria Transmission in Sub-Saharan Africa
Contributor(s): Birhanie, Solomon Kibret (author)orcid ; Wilson, Glenn  (author); Ryder, Darren  (author); Tekie, Habte (author); Petros, Beyene (author)
Publication Date: 2017
DOI: 10.1007/s10393-015-1029-0
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Abstract: The construction of dams in sub-Saharan Africa is pivotal for food security and alleviating poverty in the region. However, the unintended adverse public health implications of extending the spatial distribution of water infrastructure are poorly documented and may minimize the intended benefits of securing water supplies. This paper reviews existing studies on the influence of dams on the spatial distribution of malaria parasites and vectors in sub-Saharan Africa. Common themes emerging from the literature were that dams intensified malaria transmission in semi-arid and highland areas with unstable malaria transmission but had little or no impact in areas with perennial transmission. Differences in the impacts of dams resulted from the types and characteristics of malaria vectors and their breeding habitats in different settings of sub-Saharan Africa. A higher abundance of a less anthropophilic 'Anopheles arabiensis' than a highly efficient vector 'A. gambiae' explains why dams did not increase malaria in stable areas. In unstable areas where transmission is limited by availability of water bodies for vector breeding, dams generally increase malaria by providing breeding habitats for prominent malaria vector species. Integrated vector control measures that include reservoir management, coupled with conventional malaria control strategies, could optimize a reduction of the risk of malaria transmission around dams in the region.
Publication Type: Journal Article
Source of Publication: EcoHealth, 14(2), p. 408-419
Publisher: Springer New York LLC
Place of Publication: United States of America
ISSN: 1612-9210
Fields of Research (FoR) 2008: 050204 Environmental Impact Assessment
050205 Environmental Management
111706 Epidemiology
Fields of Research (FoR) 2020: 410402 Environmental assessment and monitoring
410404 Environmental management
Socio-Economic Objective (SEO) 2008: 920404 Disease Distribution and Transmission (incl. Surveillance and Response)
969999 Environment not elsewhere classified
879899 Environmentally Sustainable Construction not elsewhere classified
Socio-Economic Objective (SEO) 2020: 200404 Disease distribution and transmission (incl. surveillance and response)
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article

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