Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2004 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista do Instituto de Medicina Tropical de São Paulo |
Texto Completo: | https://www.revistas.usp.br/rimtsp/article/view/30828 |
Resumo: | Diversity of mosquito species was evaluated in different habitats before and after the Igarapava reservoir flooding in the Grande River, Southern Cerrado of Brazil. We aimed at verifying changes in these mosquito populations in consequence of the lake formation. Four habitats were selected as sampling stations: peridomiciliary habitat, pasture, "veredas" and gallery forest patch. Bimonthly collections were made with the Shannon trap and human bait, including diurnal, crepuscular and nocturnal period of mosquito activity. The Shannon Index results from the potential vectors were compared using Student t-test. Aedes scapularis, Anopheles darlingi and An. albitarsis senso latu seasonal abundance were described with moving average and compared using chi2 test. There were changes in the mosquito frequency in the habitats, except for the "veredas" that was 13 km away from the catchment area. The altering in mosquito species seasonal abundance suggests breeding places expansion. Diversity indexes can be used to monitor changes in mosquito vector population in environments where abrupt disturbance can alter disease transmission cycles. |
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Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil Estudos em monitoramento entomológico: mudanças na freqüência de mosquitos em habitats ripários da usina hidroelétrica de Igarapava, Sudeste do Brasil Entomological monitoringAedes scapularisAnopheles darlingiAnopheles albitarsis s.l. Diversity of mosquito species was evaluated in different habitats before and after the Igarapava reservoir flooding in the Grande River, Southern Cerrado of Brazil. We aimed at verifying changes in these mosquito populations in consequence of the lake formation. Four habitats were selected as sampling stations: peridomiciliary habitat, pasture, "veredas" and gallery forest patch. Bimonthly collections were made with the Shannon trap and human bait, including diurnal, crepuscular and nocturnal period of mosquito activity. The Shannon Index results from the potential vectors were compared using Student t-test. Aedes scapularis, Anopheles darlingi and An. albitarsis senso latu seasonal abundance were described with moving average and compared using chi2 test. There were changes in the mosquito frequency in the habitats, except for the "veredas" that was 13 km away from the catchment area. The altering in mosquito species seasonal abundance suggests breeding places expansion. Diversity indexes can be used to monitor changes in mosquito vector population in environments where abrupt disturbance can alter disease transmission cycles. Avaliou-se a diversidade de mosquitos em diferentes habitats antes e depois da formação do reservatório de Igarapava no Rio Grande, Cerrado do Sudeste do Brasil, com objetivo de verificar alteração nessas populações de mosquitos. Quatro habitats foram selecionados como sítios de coleta: a) peridomicílio rural, b) pastagem, c) veredas e d) mata ciliar. Realizaram-se coletas bimestrais com isca humana e armadilha de Shannon, incluindo períodos de atividade culicídea diurna, crepuscular vespertina e noturna. Os resultados do Índice de Shannon para os potenciais vetores nos diferentes habitats foram comparados pelo teste t de Student. As abundâncias sazonais de Aedes scapularis, Anopheles darlingi e Anopheles albitarsis s.l., foram descritas com a média móvel e comparadas com o teste chi2. Houve alteração nas freqüências dos mosquitos nos habitats, com exceção das veredas, que estavam afastadas 13 km da área de influência do reservatório. A modificação nas abundâncias sazonais dos potenciais vetores sugere o incremento de criadouros após a formação do reservatório. Índices de diversidade são ferramentas úteis para monitorar populações de mosquitos vetores em ambientes cujas mudanças drásticas podem alterar ciclos de transmissão de doenças transmitidas por vetores. Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo2004-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/rimtsp/article/view/30828Revista do Instituto de Medicina Tropical de São Paulo; Vol. 46 No. 4 (2004); 223-229 Revista do Instituto de Medicina Tropical de São Paulo; Vol. 46 Núm. 4 (2004); 223-229 Revista do Instituto de Medicina Tropical de São Paulo; v. 46 n. 4 (2004); 223-229 1678-99460036-4665reponame:Revista do Instituto de Medicina Tropical de São Pauloinstname:Instituto de Medicina Tropical (IMT)instacron:IMTenghttps://www.revistas.usp.br/rimtsp/article/view/30828/32712Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Pauloinfo:eu-repo/semantics/openAccessTubaki, Rosa MariaMenezes, Regiane Maria Tironi deCardoso Junior, Rubens PintoBergo, Eduardo Sterlino2012-07-07T18:29:27Zoai:revistas.usp.br:article/30828Revistahttp://www.revistas.usp.br/rimtsp/indexPUBhttps://www.revistas.usp.br/rimtsp/oai||revimtsp@usp.br1678-99460036-4665opendoar:2022-12-13T16:51:34.440639Revista do Instituto de Medicina Tropical de São Paulo - Instituto de Medicina Tropical (IMT)true |
dc.title.none.fl_str_mv |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil Estudos em monitoramento entomológico: mudanças na freqüência de mosquitos em habitats ripários da usina hidroelétrica de Igarapava, Sudeste do Brasil |
title |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil |
spellingShingle |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil Tubaki, Rosa Maria Entomological monitoring Aedes scapularis Anopheles darlingi Anopheles albitarsis s.l. |
title_short |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil |
title_full |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil |
title_fullStr |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil |
title_full_unstemmed |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil |
title_sort |
Studies on entomological monitoring: mosquito species frequency in riverine habitats of the Igarapava Dam, Southern Region, Brazil |
author |
Tubaki, Rosa Maria |
author_facet |
Tubaki, Rosa Maria Menezes, Regiane Maria Tironi de Cardoso Junior, Rubens Pinto Bergo, Eduardo Sterlino |
author_role |
author |
author2 |
Menezes, Regiane Maria Tironi de Cardoso Junior, Rubens Pinto Bergo, Eduardo Sterlino |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Tubaki, Rosa Maria Menezes, Regiane Maria Tironi de Cardoso Junior, Rubens Pinto Bergo, Eduardo Sterlino |
dc.subject.por.fl_str_mv |
Entomological monitoring Aedes scapularis Anopheles darlingi Anopheles albitarsis s.l. |
topic |
Entomological monitoring Aedes scapularis Anopheles darlingi Anopheles albitarsis s.l. |
description |
Diversity of mosquito species was evaluated in different habitats before and after the Igarapava reservoir flooding in the Grande River, Southern Cerrado of Brazil. We aimed at verifying changes in these mosquito populations in consequence of the lake formation. Four habitats were selected as sampling stations: peridomiciliary habitat, pasture, "veredas" and gallery forest patch. Bimonthly collections were made with the Shannon trap and human bait, including diurnal, crepuscular and nocturnal period of mosquito activity. The Shannon Index results from the potential vectors were compared using Student t-test. Aedes scapularis, Anopheles darlingi and An. albitarsis senso latu seasonal abundance were described with moving average and compared using chi2 test. There were changes in the mosquito frequency in the habitats, except for the "veredas" that was 13 km away from the catchment area. The altering in mosquito species seasonal abundance suggests breeding places expansion. Diversity indexes can be used to monitor changes in mosquito vector population in environments where abrupt disturbance can alter disease transmission cycles. |
publishDate |
2004 |
dc.date.none.fl_str_mv |
2004-08-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/rimtsp/article/view/30828 |
url |
https://www.revistas.usp.br/rimtsp/article/view/30828 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/rimtsp/article/view/30828/32712 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Paulo info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Paulo |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo |
publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo |
dc.source.none.fl_str_mv |
Revista do Instituto de Medicina Tropical de São Paulo; Vol. 46 No. 4 (2004); 223-229 Revista do Instituto de Medicina Tropical de São Paulo; Vol. 46 Núm. 4 (2004); 223-229 Revista do Instituto de Medicina Tropical de São Paulo; v. 46 n. 4 (2004); 223-229 1678-9946 0036-4665 reponame:Revista do Instituto de Medicina Tropical de São Paulo instname:Instituto de Medicina Tropical (IMT) instacron:IMT |
instname_str |
Instituto de Medicina Tropical (IMT) |
instacron_str |
IMT |
institution |
IMT |
reponame_str |
Revista do Instituto de Medicina Tropical de São Paulo |
collection |
Revista do Instituto de Medicina Tropical de São Paulo |
repository.name.fl_str_mv |
Revista do Instituto de Medicina Tropical de São Paulo - Instituto de Medicina Tropical (IMT) |
repository.mail.fl_str_mv |
||revimtsp@usp.br |
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1798951644589719552 |