Temporal and micro-spatial heterogeneity in the distribution of Anopheles vectors of malaria along the Kenyan coast

Parasites & Vectors
Martin WalkerJanet T Midega

Abstract

The distribution of anopheline mosquitoes is determined by temporally dynamic environmental and human-associated variables, operating over a range of spatial scales. Macro-spatial short-term trends are driven predominantly by prior (lagged) seasonal changes in climate, which regulate the abundance of suitable aquatic larval habitats. Micro-spatial distribution is determined by the location of these habitats, proximity and abundance of available human bloodmeals and prevailing micro-climatic conditions. The challenge of analysing--in a single coherent statistical framework--the lagged and distributed effect of seasonal climate changes simultaneously with the effects of an underlying hierarchy of spatial factors has hitherto not been addressed. Data on Anopheles gambiae sensu stricto and A. funestus collected from households in Kilifi district, Kenya, were analysed using polynomial distributed lag generalized linear mixed models (PDL GLMMs). Anopheline density was positively and significantly associated with amount of rainfall between 4 to 47 days, negatively and significantly associated with maximum daily temperature between 5 and 35 days, and positively and significantly associated with maximum daily temperature between 29 and ...Continue Reading

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Citations

May 14, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Janet Hemingway
Jun 11, 2014·Parasites & Vectors·Narayani Prasad KarNutan Nanda
May 11, 2019·The American Journal of Tropical Medicine and Hygiene·Marisa A Hast For The Southern And Central Africa International Centers Of Excellence In Malaria Research
Apr 11, 2019·Molecular Biology and Evolution·Bhavin S Khatri, Austin Burt
Dec 18, 2019·International Journal of Environmental Research and Public Health·Sucharita GopalLawrence Were
Feb 12, 2021·The Science of the Total Environment·Nicole ZachariasSteffen Engelhart

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