Association of cyclopoid copepods with the habitat of the malaria vector Anopheles aquasalis in the peninsula of Paria, Venezuela

The southern region of the Paria Peninsula shows a high malaria incidence. This work relates the abundances of cyclopoid species and the malaria vector Anopheles aquasalis to certain abiotic parameters and vegetation features. Samples were collected over a 4-month period in several habitats, includi...

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Bibliographic Details
Published inJournal of the American Mosquito Control Association Vol. 18; no. 1; p. 47
Main Authors Zoppi de Roa, Evelyn, Gordon, Elizabeth, Montiel, Edie, Delgado, Laura, Berti, Jesús, Ramos, Santiago
Format Journal Article
LanguageEnglish
Published United States 01.03.2002
Subjects
Animals
Anopheles - parasitology
Crustacea
Ecosystem
Environment
Insect Vectors - parasitology
Larva
Malaria - transmission
Plants
Population Density
Predatory Behavior
Venezuela
Venezuela
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Summary:The southern region of the Paria Peninsula shows a high malaria incidence. This work relates the abundances of cyclopoid species and the malaria vector Anopheles aquasalis to certain abiotic parameters and vegetation features. Samples were collected over a 4-month period in several habitats, including marsh, irrigation channel, lagoon, and mangrove swamp during the wet season and the wet-dry transition. Dominant plant species in the marsh were Typha dominguensis and Eleocharis mutata. Mesocyclops meridianus also was dominant in the marsh. Highest densities of An. aquasalis larvae, as well as lowest pH values and highest sulfate concentrations, were found in habitats containing E. mutata. Statistical correlation analysis showed that abundances of M. longisetus longisetus and An. aquasalis larvae were positively and significantly correlated in the irrigation channel, and abundances of M. meridianus and An. aquasalis larvae were negatively and significantly correlated in the E. mutata marsh.
ISSN:8756-971X