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Abstract:

The distribution of Lutzomyia longipalpis is heterogeneous with a pattern of high abundance areas (HAAs) embedded in a matrix of low abundance areas (LAAs). The objective of this study was to describe the variability in the abundance of Lu. longipalpis at two different spatial levels and to analyse the relationship between the abundance and multiple environmental variables. Of the environmental variables analysed in each household, the condition that best explained the differences in vector abundance between HAA-LAA was the variable "land_grass", with greater average values in the peridomestic environments within the LAA, and the variables "#sp tree", "#pots" and "dist_water" that were higher in the HAA. Of the environmental variables analysed in the patches, the variable "unpaved_streets" was higher in the LAAs and the variable "prop_inf_dogs" was higher in the HAAs. An understanding of the main environmental variables that influence the vector distribution could contribute to the development of strategies for the prevention and control of visceral leishmaniasis (VL). This is the first work in which environmental variables are analysed at the micro-scale in urban areas at the southern edge of the current range of Lu. longipalpis. Our results represent a significant contribution to the understanding of the abundance of the vector in the peridomestic habitats of the region.

Registro:

Documento: Artículo
Título:Lutzomyia longipalpis abundance in the city of posadas, northeastern argentina: Variations at different spatial scales
Autor:Santini, M.S.; Fernández, M.S.; Pérez, A.A.; Sandoval, A.E.; Salomón, O.D.
Filiación:Centro Nacional de Diagnóstico e Investigaciones Endemo-epidemicas, Administración Nacional de Laboratorios e Institutos de Salud, Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Instituto Municipal de Vigilancia y Control de Vectores, Municipalidad de Posadas, Misiones, Argentina
Instituto Nacional de Medicina Tropical, Puerto Iguazú, Misiones, Argentina
Palabras clave:Lutzomyia longipalpis; Spatial variation; Visceral leishmaniasis; animal; Argentina; article; city; classification; disease carrier; disease transmission; ecosystem; female; male; population density; Psychodidae; visceral leishmaniasis; Animals; Argentina; Cities; Ecosystem; Female; Insect Vectors; Leishmaniasis, Visceral; Male; Population Density; Psychodidae; Canis familiaris; Lutzomyia longipalpis
Año:2012
Volumen:107
Número:6
Página de inicio:767
Página de fin:771
DOI: http://dx.doi.org/10.1590/S0074-02762012000600010
Título revista:Memorias do Instituto Oswaldo Cruz
Título revista abreviado:Mem. Inst. Oswaldo Cruz
ISSN:00740276
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00740276_v107_n6_p767_Santini.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00740276_v107_n6_p767_Santini

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Citas:

---------- APA ----------
Santini, M.S., Fernández, M.S., Pérez, A.A., Sandoval, A.E. & Salomón, O.D. (2012) . Lutzomyia longipalpis abundance in the city of posadas, northeastern argentina: Variations at different spatial scales. Memorias do Instituto Oswaldo Cruz, 107(6), 767-771.
http://dx.doi.org/10.1590/S0074-02762012000600010
---------- CHICAGO ----------
Santini, M.S., Fernández, M.S., Pérez, A.A., Sandoval, A.E., Salomón, O.D. "Lutzomyia longipalpis abundance in the city of posadas, northeastern argentina: Variations at different spatial scales" . Memorias do Instituto Oswaldo Cruz 107, no. 6 (2012) : 767-771.
http://dx.doi.org/10.1590/S0074-02762012000600010
---------- MLA ----------
Santini, M.S., Fernández, M.S., Pérez, A.A., Sandoval, A.E., Salomón, O.D. "Lutzomyia longipalpis abundance in the city of posadas, northeastern argentina: Variations at different spatial scales" . Memorias do Instituto Oswaldo Cruz, vol. 107, no. 6, 2012, pp. 767-771.
http://dx.doi.org/10.1590/S0074-02762012000600010
---------- VANCOUVER ----------
Santini, M.S., Fernández, M.S., Pérez, A.A., Sandoval, A.E., Salomón, O.D. Lutzomyia longipalpis abundance in the city of posadas, northeastern argentina: Variations at different spatial scales. Mem. Inst. Oswaldo Cruz. 2012;107(6):767-771.
http://dx.doi.org/10.1590/S0074-02762012000600010