期刊
JOURNAL OF MEDICAL ENTOMOLOGY
卷 55, 期 2, 页码 351-359出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/jme/tjx215
关键词
Anopheles; community; diversity; ecology; Argentina
资金
- Fundacion Mundo Sano
- Secretaria General de Ciencia y Tecnica/UNNE
- Consejo Nacional de Investigaciones Cientificas y Tecnologicas (CONICET)
In order to extend the knowledge of the composition of the anopheline community and the seasonal variation related to anthropogenic modifications in the city of Puerto Iguazu, adult females were captured between 2009 and 2012. Samples were collected in three environments with different degrees of anthropogenic modification: urban, periurban, and wild. Alpha diversity was evaluated as the 'true' diversity of the species in each environment. Among environments, range-abundance curves were used to compare the composition, abundance, and uniformity of species and cluster analysis was used to analyze the similarities and differences. The temporal distribution was analyzed and the relative abundance of the species captured was correlated with meteorological variables. A total of 4,565 females, belonging to seven species: Anopheles albitarsis s.s. (Lynch-Arribalzaga), Anopheles argyritarsis (Robineau-Desvoidy), Anopheles deaneorum (Rosa-Freitas), Anopheles fluminensis (Root), Anopheles mediopunctatus (Theobald), Anopheles strodei s.l. (Root), and Anopheles triannulatus s.l. (Neiva and Pinto) were captured. The wild environment showed higher abundance, diversity, and greater uniformity reflected on the less sharp area of the range-abundance curve. Species richness was the same in the wild and periurban environments. Higher abundances were observed in summer during the months with higher temperatures. Although the wild environment showed greater Anopheles abundances and diversity, specific richness and species complementarity were similar among the three environments studied. Thus, the periurban environment would turn into a transition zone of great epidemiological importance due to the introduction of people in this environment, which represents a potential risk of malaria transmission in the area.
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