Urban environmental clustering to assess the spatial dynamics of Aedes aegypti breeding sites

Geospatial Health
Guillermo Albrieu-LlinásCarlos Marcelo Scavuzzo

Abstract

The identification of Aedes aegypti breeding hotspots in urban areas is crucial for the rational design of control strategies against this disease vector. Remote sensing and geographic information systems offer valuable tools for mapping habitat suitability of a given area. However, predicting species occurrences by means of probability distribution maps based on transversal entomological surveys has limited utility for local authorities. The aim of the present study was to carefully examine the temporal evolution of the number of houses infested with immature stages of Ae. aegypti in each individual neighbourhood and to explore the value of producing environmental clusters generated with information provided by remotely sensed variables to explain the observed differential temporal behaviour. Entomological surveys were conducted between 2011 and 2013 throughout a small town in Argentina registering the number of houses with containers harbouring immature stages of Ae. aegypti. A SPOT 5 satellite image was used to obtain land cover variables, which were subsequently submitted to k-means partitioning for grouping neighbourhoods into four environmental clusters. Finally, a generalized linear model was fitted showing that the numb...Continue Reading

Citations

Jun 27, 2020·International Journal of Environmental Research and Public Health·Zhichao LiPeng Gong
Dec 12, 2020·Scientific Reports·Camila LorenzFrancisco Chiaravalloti-Neto

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