期刊论文详细信息
Malaria Journal
Change in Anopheles richness and composition in response to artificial flooding during the creation of the Jirau hydroelectric dam in Porto Velho, Brazil
Research
Verissimo A. S. Neto1  Fábio M. Costa1  Luiz Herman S. Gil2  Elis P. Batista3  Alexandre A. Silva4  Moreno S. Rodrigures4 
[1] Energia Sustentável do Brasil, Av. Joaquim Nabuco, 3200 Areal, CEP 76801-066, Porto Velho, RO, Brazil;Instituto de Patologia em Doenças Tropicais, Rua da Beira 7671, CEP 76812-245, Porto Velho, RO, Brazil;Universidade Federal de Mina Gerais, AV. Antônio Carlos, 6627, CEP 31270-901, Belo Horizonte, MG, Brazil;Universidade Federal de Rondônia, BR 364, Km 9.5, CEP 76800-000, Porto Velho, RO, Brazil;
关键词: Amazon;    Malaria;    Human activity;    Vector ecology;   
DOI  :  10.1186/s12936-017-1738-7
 received in 2016-12-24, accepted in 2017-02-16,  发布年份 2017
来源: Springer
PDF
【 摘 要 】

BackgroundAnopheles mosquitoes are the only vectors of human malaria. Anopheles species use standing water as breeding sites. Human activities, like the creation of an artificial lake during the implementation of hydroelectric power plants, lead to changes in environmental characteristics and, therefore, may changes the species richness and composition of Anopheles mosquitoes. The aim of the present study was to verify whether or not there is an association between the artificial flooding resulting from the construction of the Jirau hydroelectric power plant, and the richness and composition of anophelines.MethodsMosquitoes samples were obtained monthly from the Jirau hydroelectric power plant area located at Porto Velho, Rondônia State, using Human Landing Catch (06:00–10:00 PM). Mosquitoes collected were transported to Laboratório de Entomologia Médica FIOCRUZ-RO where they were identified until species using dichotomous key.ResultsA total of 6347 anophelines belonging to eight different species were collected. The anophelines species richness was significantly lower during the first flooding stage. Differences in anophelines species composition were found when comparing the first flooding stage with the other stages. Furthermore, the mean number of Anopheles darlingi, the main vector of malaria in the region, increases during the first and the third flooding stages.ConclusionsThe continual monitoring of these vectors during the late operational phase may be useful in order to understand how anophelines will behave in this area.

【 授权许可】

CC BY   
© The Author(s) 2017

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