Spatial Analysis and Mapping of Malaria Risk in Dehradun City India: A Geospatial Technology-Based Decision-Making Tool for Planning and Management
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Land-use change emerged as one of the most rational component to the global environmental change, potentially has significant consequences on human health in relation to mosquito-borne blood diseases like malaria. Land-use change can influence mosquito habitat, and therefore the distribution and abundance of vectors and land use mediates human–mosquito interactions, including biting rate. Based on a conceptual model linking the landscape, human, animal and mosquitoes, this study focuses on the impacts of changes in land use on malaria in Dehradun city of India. Health center wise data on malaria and land-use change data were prepared. Results of the different components of the study were integrated in the geographic information system (GIS) environment and linking land use to disease. The impacts of a number of possible scenarios for land-use changes in the region were delineated and also a risk map of the study area was prepared. Results indicated that land-use changes have a detectable impact on malaria. This impact varies according to the land use land cover (LULC) condition as well as the socio-economic condition but can be counteracted by the adoption of preventive measures.
KeywordsMalaria risk Land use land cover GIS Spatial analysis
The authors are thankful to the Health Department, State Government of Uttrakhand for providing us the necessary data. We are also thankful to the anonymous reviewers for helping us to update the manuscript.
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