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Relationship between land use pattern around trap location and the number of Culex tritaeniorhynchus collected by dry ice baited traps

YONEJIMA, Mayuko ; WATANABE, Mamoru ; NIHEI, Naoko ; KOBAYASHI, Mutsuo ; NAKAYA, Tomoki

Medical Entomology and Zoology, 2011/03/15, Vol.62(1), pp.13-22 [Periódico revisado por pares]

The Japan Society of Medical Entomology and Zoology

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  • Título:
    Relationship between land use pattern around trap location and the number of Culex tritaeniorhynchus collected by dry ice baited traps
  • Autor: YONEJIMA, Mayuko ; WATANABE, Mamoru ; NIHEI, Naoko ; KOBAYASHI, Mutsuo ; NAKAYA, Tomoki
  • Assuntos: Culex ; Culex tritaeniorhynchus ; dry ice baited trap ; Geographical Information Systems ; landscape
  • É parte de: Medical Entomology and Zoology, 2011/03/15, Vol.62(1), pp.13-22
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: We examined the relationship between spatial variation in the number of vector mosquitoes of Japanese encephalitis, Culex tiritaeniorhynchus, collected by dry ice baited traps and the patterns of land use around each trap location. By using CDC miniature light traps enhanced with 1 kg of dry ice, we collected mosquitoes at 13 trap sites inside 3 cowsheds and 10 outdoor-trap sites distributed at 6 rural villages in Toyama Prefecture, Japan. Significant differences in the number of captured mosquitoes were observed among the trap sites. Multiple regression analysis was performed to explain the observed spatial variation in mosquito numbers among the 10 outdoor-traps by choosing a set of land use components and using the distance from the cowshed as predictors. Twelve “land use components” were distinguished and the proportion of area covered with each component was calculated within a circular area around each trap location. Four different radii of the circular area were used in the regression analysis and the best model explained 66.6% of the variation when the radius was 150 m long. The rural-agricultural landscape represented by paddy fields had the largest regression coefficient suggesting a strong association with the spatial variation in the number of mosquitoes captured by dry-ice baited traps.
  • Editor: The Japan Society of Medical Entomology and Zoology
  • Idioma: Inglês
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