IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL)
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Biota Amazônia |
Texto Completo: | https://periodicos.unifap.br/index.php/biota/article/view/2380 |
Resumo: | The present study evaluated the effects of fish farm dams on spatial and temporal distribution of lambari Astyanax cf. bimaculatus in five headwater streams of the Machado River basin, Rondônia State, Brazil. The results show that fish farm dams are spatially separating wild lambari populations into upstream and downstream groups. Moreover, it was observed that the dry and rainy seasons influence the abundance and presence of A. cf. bimaculatus in these areas, while limnological parameters did not differ y in the streams. Additionally, it was shown that fish farm dams built in the headwater stream areas impede the migratory routes of A. bimaculatus, and also possibly the local movements of resident fish populations. Therefore, before the implementation of new farm dams using natural streams in the future, mitigation plans should include adequate access routes for fish to travel between upstream and downstream areas, in order to avoid adversely affecting their wild populations.Keywords: Fish farm dams; lambari fish; Madeira River; microbasins; population parameters. |
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IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL)IMPACTOS DAS PISCICULTURAS E BARRAGENS NA DISTRIBUIÇÃO TEMPORAL E ESPACIAL DE Astyanax cf. bimaculatus EM MICROBACIAS DO RIO MACHADO (RONDÔNIA, BRASIL)The present study evaluated the effects of fish farm dams on spatial and temporal distribution of lambari Astyanax cf. bimaculatus in five headwater streams of the Machado River basin, Rondônia State, Brazil. The results show that fish farm dams are spatially separating wild lambari populations into upstream and downstream groups. Moreover, it was observed that the dry and rainy seasons influence the abundance and presence of A. cf. bimaculatus in these areas, while limnological parameters did not differ y in the streams. Additionally, it was shown that fish farm dams built in the headwater stream areas impede the migratory routes of A. bimaculatus, and also possibly the local movements of resident fish populations. Therefore, before the implementation of new farm dams using natural streams in the future, mitigation plans should include adequate access routes for fish to travel between upstream and downstream areas, in order to avoid adversely affecting their wild populations.Keywords: Fish farm dams; lambari fish; Madeira River; microbasins; population parameters.No presente estudo foi avaliado o efeito das pisciculturas de barragens na distribuição espacial e temporal do lambari Astyanax cf. bimaculatus em cinco canais de igarapés na bacia do Rio Machado em Rondônia (Brasil). Os resultados mostraram que estes empreendimentos separam espacialmente as populações desta espécie em regiões a montante e a jusante das represas. No entanto foi observado que o regime sazonal de estiagem e chuva na região também interfere na abundância e presença de A. cf. bimaculatus nessas áreas. Foi verificado também que os parâmetros limnológicos mensurados nas áreas a montante e jusante das pisciculturas não diferiram a ponto de inferir uma tendência na distribuição do lambari na área de estudo. Os resultados mostram que as pisciculturas de barragens construídas ao longo dos canais dos igarapés estudados interferem no fluxo migratório do lambari, assim para a manutenção das populações de A. cf. bimaculatus, as construções de futuras pisciculturas de barramentos usando igarapés devem ser avaliadas com mais critério levando em consideração estratégias de manejo que possam permitir o fluxo das comunidades desse peixe nas áreas de jusante e montante dos empreendimentos.Palavras-chave: Barragens de piscicultura, lambari, Rio Madeira, microbacias, parâmetros de populações.Universidade Federal do AmapáAlex Junior Vervloet BrazRebecca BrevesConcelho Nacional de Desenvolvimento Científico e TecnológicoUniversidade Federal de Rondônia, Departamento de Engenharia de PescaMereles, Marcos de AlmeidaPiñeyro, Jairo Ildefonso GuimarãesMarshall, Bruce GavinSousa, Raniere Garcez Costa2017-06-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArtigo Avaliado pelos Paresapplication/pdfhttps://periodicos.unifap.br/index.php/biota/article/view/238010.18561/2179-5746/biotaamazonia.v7n2p11-14Biota Amazônia (Biote Amazonie, Biota Amazonia, Amazonian Biota); v. 7, n. 2 (2017); 4-72179-5746reponame:Biota Amazôniainstname:Universidade Federal do Amapá (UNIFAP)instacron:UNIFAPenghttps://periodicos.unifap.br/index.php/biota/article/view/2380/v7n2p4-7.pdfFish farming dams; Lambari fish; Madeira River; Microbasins; Population parameterscronologicaRandômicaDireitos autorais 2017 Biota Amazônia (Biote Amazonie, Biota Amazonia, Amazonian Biota)http://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccess2017-07-26T23:41:23Zoai:ojs.pkp.sfu.ca:article/2380Revistahttp://periodicos.unifap.br/index.php/biotaONGhttps://periodicos.unifap.br/index.php/biota/oai||juliosa@unifap.br2179-57462179-5746opendoar:2017-07-26T23:41:23Biota Amazônia - Universidade Federal do Amapá (UNIFAP)false |
dc.title.none.fl_str_mv |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) IMPACTOS DAS PISCICULTURAS E BARRAGENS NA DISTRIBUIÇÃO TEMPORAL E ESPACIAL DE Astyanax cf. bimaculatus EM MICROBACIAS DO RIO MACHADO (RONDÔNIA, BRASIL) |
title |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) |
spellingShingle |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) Mereles, Marcos de Almeida |
title_short |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) |
title_full |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) |
title_fullStr |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) |
title_full_unstemmed |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) |
title_sort |
IMPACTS OF FISH FARM DAMS ON TEMPORAL AND SPATIAL DISTRIBUTION OF Astyanax cf. bimaculatus IN MICROBASINS OF THE MACHADO RIVER (RONDÔNIA, BRAZIL) |
author |
Mereles, Marcos de Almeida |
author_facet |
Mereles, Marcos de Almeida Piñeyro, Jairo Ildefonso Guimarães Marshall, Bruce Gavin Sousa, Raniere Garcez Costa |
author_role |
author |
author2 |
Piñeyro, Jairo Ildefonso Guimarães Marshall, Bruce Gavin Sousa, Raniere Garcez Costa |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Alex Junior Vervloet Braz Rebecca Breves Concelho Nacional de Desenvolvimento Científico e Tecnológico Universidade Federal de Rondônia, Departamento de Engenharia de Pesca |
dc.contributor.author.fl_str_mv |
Mereles, Marcos de Almeida Piñeyro, Jairo Ildefonso Guimarães Marshall, Bruce Gavin Sousa, Raniere Garcez Costa |
description |
The present study evaluated the effects of fish farm dams on spatial and temporal distribution of lambari Astyanax cf. bimaculatus in five headwater streams of the Machado River basin, Rondônia State, Brazil. The results show that fish farm dams are spatially separating wild lambari populations into upstream and downstream groups. Moreover, it was observed that the dry and rainy seasons influence the abundance and presence of A. cf. bimaculatus in these areas, while limnological parameters did not differ y in the streams. Additionally, it was shown that fish farm dams built in the headwater stream areas impede the migratory routes of A. bimaculatus, and also possibly the local movements of resident fish populations. Therefore, before the implementation of new farm dams using natural streams in the future, mitigation plans should include adequate access routes for fish to travel between upstream and downstream areas, in order to avoid adversely affecting their wild populations.Keywords: Fish farm dams; lambari fish; Madeira River; microbasins; population parameters. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-06-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artigo Avaliado pelos Pares |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.unifap.br/index.php/biota/article/view/2380 10.18561/2179-5746/biotaamazonia.v7n2p11-14 |
url |
https://periodicos.unifap.br/index.php/biota/article/view/2380 |
identifier_str_mv |
10.18561/2179-5746/biotaamazonia.v7n2p11-14 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.unifap.br/index.php/biota/article/view/2380/v7n2p4-7.pdf |
dc.rights.driver.fl_str_mv |
Direitos autorais 2017 Biota Amazônia (Biote Amazonie, Biota Amazonia, Amazonian Biota) http://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Direitos autorais 2017 Biota Amazônia (Biote Amazonie, Biota Amazonia, Amazonian Biota) http://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.coverage.none.fl_str_mv |
Fish farming dams; Lambari fish; Madeira River; Microbasins; Population parameters cronologica Randômica |
dc.publisher.none.fl_str_mv |
Universidade Federal do Amapá |
publisher.none.fl_str_mv |
Universidade Federal do Amapá |
dc.source.none.fl_str_mv |
Biota Amazônia (Biote Amazonie, Biota Amazonia, Amazonian Biota); v. 7, n. 2 (2017); 4-7 2179-5746 reponame:Biota Amazônia instname:Universidade Federal do Amapá (UNIFAP) instacron:UNIFAP |
instname_str |
Universidade Federal do Amapá (UNIFAP) |
instacron_str |
UNIFAP |
institution |
UNIFAP |
reponame_str |
Biota Amazônia |
collection |
Biota Amazônia |
repository.name.fl_str_mv |
Biota Amazônia - Universidade Federal do Amapá (UNIFAP) |
repository.mail.fl_str_mv |
||juliosa@unifap.br |
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1800218370105147392 |