Physical, chemical and biological characteristics in habitats of high and low presence of anopheline larvae in western Kenya highlands.

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dc.contributor.authorNdenga, B. A.
dc.contributor.authorSimbauni, Jemimah A.
dc.contributor.authorMbugi, J. P.
dc.contributor.authorGitheko, A. K.
dc.date.accessioned2013-11-28T12:42:58Z
dc.date.available2013-11-28T12:42:58Z
dc.date.issued2012
dc.descriptiondoi: 10.1371/journal.pone.0047975.en_US
dc.description.abstractBACKGROUND: Characteristics of aquatic habitats determine whether mosquitoes will oviposit, hatch, develop, pupate and successfully emerge into adults or not, thus influencing which mosquito species will occupy a habitat. This study determined whether physiochemical and biological characteristics differ between habitats with high and low presence of anopheline larvae. METHODS: Physical, chemical and biological characteristics were evaluated in selected habitats twice per month within three highland valleys in western Kenya. Aquatic macro-organisms were sampled using a sweep-net. Colorimetric methods were used to determine levels of iron, phosphate, nitrate, ammonium and nitrite in water samples. Generalized Estimating Equations (GEE) was used to compare parameters between the two categories of anopheline presence. RESULTS: Habitats with high anopheline presence had greater abundance of mosquito aquatic stages and tadpoles and two times more levels of nitrate in water, whereas habitats with low anopheline presence had wider biofilm cover and higher levels of iron in water. CONCLUSION: Habitats of high and low presence of anopheline larvae, which differed in a number of physical, chemical and biological characteristics, were identified in valleys within western Kenya highlands. Differences in habitat characteristics are critical in determining the number of anopheline larvae that will fully develop and emerge into adults.en_US
dc.identifier.citationPLoS One. 2012;7(10):e47975.en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/7703
dc.language.isoenen_US
dc.publisherPLoS One.en_US
dc.titlePhysical, chemical and biological characteristics in habitats of high and low presence of anopheline larvae in western Kenya highlands.en_US
dc.typeArticleen_US
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