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Abstract:

The objective of this study was to analyze the spatio-temporal patterns of Aedes aegypti immatures based on four entomological surveys that inspected over 6000 households in a large neighborhood of the city of Clorinda between 2007 and 2008. Global and local spatial point pattern analyses of immature presence or absence, habitat quality (estimated using a previously obtained statistical model) and pupal production were performed. Global analyses showed aggregation of both infestation and habitat quality up to 10 times bigger than previously described, ranging from 150 to 400. m between surveys. Pupal production was also clustered but at smaller scales than infestation presence/absence. The location of the clusters was temporally unstable between surveys. There was no spatial structure related to the control strategy; lots treated with temephos and lots uninspected (i.e., closed or refusing) were randomly distributed. These results suggest a combination of exogenous (the aggregation of better quality habitats) and endogenous (dispersal) processes explaining the observed patterns of larger-scale infestation. A spatial targeting strategy at the neighborhood scale would not be as cost-effective in Clorinda as in other sites where stable smaller-scale clusters permit the identification of key premises. © 2013 Elsevier B.V.

Registro:

Documento: Artículo
Título:Spatial analysis of Aedes aegypti immatures in Northern Argentina: Clusters and temporal instability
Autor:Garelli, F.M.; Espinosa, M.O.; Gürtler, R.E.
Filiación:Laboratorio de Eco-Epidemiología, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Intendente Güiraldes 2160, Buenos Aires C1428EGA, Argentina
Fundación Mundo Sano, Paraguay 1535, Buenos Aires C1061ABC, Argentina
Palabras clave:Aedes aegypti; Dengue; Spatial statistics; temefos; cluster analysis; dengue fever; entomology; habitat quality; mosquito; neighborhood; spatial analysis; temporal analysis; Aedes aegypti; Argentina; article; controlled study; geographic distribution; habitat quality; habitat structure; infestation; nonhuman; pupa (life cycle stage); pupation; soil treatment; spatial analysis; spatial point pattern analysis; spatio temporal global analysis; statistical analysis; statistical model; zoology; Argentina; Aedes aegypti; Clorinda; Aedes aegypti; Dengue; Spatial statistics; Aedes; Animals; Argentina; Data Collection; Phylogeography; Spatial Analysis
Año:2013
Volumen:128
Número:3
Página de inicio:461
Página de fin:467
DOI: http://dx.doi.org/10.1016/j.actatropica.2013.07.019
Título revista:Acta Tropica
Título revista abreviado:Acta Trop.
ISSN:0001706X
CODEN:ACTRA
CAS:temefos, 3383-96-8
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0001706X_v128_n3_p461_Garelli

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Citas:

---------- APA ----------
Garelli, F.M., Espinosa, M.O. & Gürtler, R.E. (2013) . Spatial analysis of Aedes aegypti immatures in Northern Argentina: Clusters and temporal instability. Acta Tropica, 128(3), 461-467.
http://dx.doi.org/10.1016/j.actatropica.2013.07.019
---------- CHICAGO ----------
Garelli, F.M., Espinosa, M.O., Gürtler, R.E. "Spatial analysis of Aedes aegypti immatures in Northern Argentina: Clusters and temporal instability" . Acta Tropica 128, no. 3 (2013) : 461-467.
http://dx.doi.org/10.1016/j.actatropica.2013.07.019
---------- MLA ----------
Garelli, F.M., Espinosa, M.O., Gürtler, R.E. "Spatial analysis of Aedes aegypti immatures in Northern Argentina: Clusters and temporal instability" . Acta Tropica, vol. 128, no. 3, 2013, pp. 461-467.
http://dx.doi.org/10.1016/j.actatropica.2013.07.019
---------- VANCOUVER ----------
Garelli, F.M., Espinosa, M.O., Gürtler, R.E. Spatial analysis of Aedes aegypti immatures in Northern Argentina: Clusters and temporal instability. Acta Trop. 2013;128(3):461-467.
http://dx.doi.org/10.1016/j.actatropica.2013.07.019