Microspatial Distributional Patterns of Vectors of Cutaneous Leishmaniasis in Pernambuco, Northeastern Brazil
Issue Date
2012Author
Donalisio, Maria Rita
Peterson, A. Townsend
Costa, Pietra Lemos
da Silva, Fernadno José
Valença, Helio França
Shaw, Jeffrey J.
Filho, P. Brandao
Publisher
Hindawi Publishing Corporation
Type
Article
Article Version
Scholarly/refereed, publisher version
Metadata
Show full item recordAbstract
The purpose of this study is to analyze the spatial distribution and population trends through time of Lutzomyia species in a long-term focus of cutaneous leishmaniasis transmission in an Atlantic Forest area, northeastern Brazil. Sand fly populations of different ecological niches were monitored spatiotemporally in 2009. To summarize vegetation characteristics and phenology, we calculated the Normalized Difference Vegetation Index from Landsat images. Using niche modeling approaches, we assessed suites of environmental factors to identify areas of transmission risk. Although 12 species were detected, L. whitmani was the most abundant and broadly distributed across the area, particularly in peridomiciliary locations, and associated negatively with denser vegetation areas. On the other hand, L. complexa, L. sordelli, and L. tupynambai were found almost exclusively in forested areas ( 𝑃 < 0 . 0 5 ), and associated positively with denser vegetation. Lutzomyia species' occurrences are related to specific environmental combinations (with contrast among species) in the region.
Description
This is the publisher's version, also available electronically from http://www.hindawi.com/journals/jtm/2012/642910/abs/
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Citation
Maria Rita Donalisio, A. Townsend Peterson, Pietra Lemos Costa, et al., “Microspatial Distributional Patterns of Vectors of Cutaneous Leishmaniasis in Pernambuco, Northeastern Brazil,” Journal of Tropical Medicine, vol. 2012, Article ID 642910, 8 pages, 2012. http:/dx.doi.org/10.1155/2012/642910
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