Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach

Ecological models are useful for evaluating fishery management scenarios, as they allow researchers to investigate alternative fishing effort, as well as varying environmental and trophic interaction scenarios. Through an ecosystem modeling approach (Ecopath with Ecosim), we addressed the possible i...

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Detalles Bibliográficos
Autores: Philip, Juliana Strieder, Minte-Vera, Carolina V., Coll, Marta, Angelini, Ronaldo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:Brasil
Institución:Universidade Federal do Rio Grande do Norte (UFRN)
Repositorio:Repositório Institucional da UFRN
Idioma:inglés
OAI Identifier:oai:repositorio.ufrn.br:123456789/30602
Acceso en línea:https://repositorio.ufrn.br/handle/123456789/30602
Access Level:acceso abierto
Palabra clave:Ecopath with ecosim
Ecosystem-based management
Inland fisheries
L index
Maximum sustainable yield
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spelling Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approachEcopath with ecosimEcosystem-based managementInland fisheriesL indexMaximum sustainable yieldEcological models are useful for evaluating fishery management scenarios, as they allow researchers to investigate alternative fishing effort, as well as varying environmental and trophic interaction scenarios. Through an ecosystem modeling approach (Ecopath with Ecosim), we addressed the possible impacts of small-scale fisheries on the structure and functioning of a tropical ecosystem (Itaipu Reservoir, Brazil). We found that fishing effects and predator–prey interactions were the main drivers explaining catch trends in the Itaipu Reservoir fisheries. The mean trophic level of catch did not change throughout the analyzed time period and no losses in secondary production from exploitation (L index) were observed, indicating that Itaipu fisheries are sustainable regarding ecosystem effects. The negative impacts of introduced species on native species seem to be greater than the fishing impacts. Fishing simulations from the ecosystem Maximum Sustainable Yield (MSY) reduced the biomass of some important species in the local fishery. Regarding management advice, our results indicate that fishing efforts should not be increased for curimba (Prochilodus lineatus), pintado (Pseudoplatystoma corruscans), and jaú (Zungaro jahu). Additionally, participative management methods are important measures for local fisheries. Finally, additional research is needed to investigate how fishery management can promote the use of multispecific methods (e.g., gillnets) to control introduced speciesSpringer2020-11-19T19:33:21Z2020-11-19T19:33:21Z2018-10-31info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfPHILIPPSEN, Juliana Strieder; MINTE-VERA, Carolina V.; COLL, Marta; ANGELINI, Ronaldo. Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach. Reviews in Fish Biology and Fisheries, [S.L.], v. 29, n. 1, p. 125-146, 31 out. 2018. Disponível em: Acesso em: https://link.springer.com/article/10.1007/s11160-018-9539-9.Acesso em: 10 nov. 2020. https://doi.org/10.1007/s11160-018-9539-90960-31661573-5184https://repositorio.ufrn.br/handle/123456789/3060210.1007/s11160-018-9539-9ark:/41046/001300000d2jvAttribution 3.0 Brazilhttp://creativecommons.org/licenses/by/3.0/br/info:eu-repo/semantics/openAccessengreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNPhilip, Juliana StriederMinte-Vera, Carolina V.Coll, MartaAngelini, Ronaldo2020-11-22T07:54:15Zoai:repositorio.ufrn.br:123456789/30602Repositório InstitucionalPUBhttp://repositorio.ufrn.br/oai/repositorio@bczm.ufrn.bropendoar:2020-11-22T07:54:15Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false
dc.title.none.fl_str_mv Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
title Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
spellingShingle Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
Philip, Juliana Strieder
Ecopath with ecosim
Ecosystem-based management
Inland fisheries
L index
Maximum sustainable yield
title_short Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
title_full Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
title_fullStr Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
title_full_unstemmed Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
title_sort Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach
dc.creator.none.fl_str_mv Philip, Juliana Strieder
Minte-Vera, Carolina V.
Coll, Marta
Angelini, Ronaldo
author Philip, Juliana Strieder
author_facet Philip, Juliana Strieder
Minte-Vera, Carolina V.
Coll, Marta
Angelini, Ronaldo
author_role author
author2 Minte-Vera, Carolina V.
Coll, Marta
Angelini, Ronaldo
author2_role author
author
author
dc.subject.por.fl_str_mv Ecopath with ecosim
Ecosystem-based management
Inland fisheries
L index
Maximum sustainable yield
topic Ecopath with ecosim
Ecosystem-based management
Inland fisheries
L index
Maximum sustainable yield
description Ecological models are useful for evaluating fishery management scenarios, as they allow researchers to investigate alternative fishing effort, as well as varying environmental and trophic interaction scenarios. Through an ecosystem modeling approach (Ecopath with Ecosim), we addressed the possible impacts of small-scale fisheries on the structure and functioning of a tropical ecosystem (Itaipu Reservoir, Brazil). We found that fishing effects and predator–prey interactions were the main drivers explaining catch trends in the Itaipu Reservoir fisheries. The mean trophic level of catch did not change throughout the analyzed time period and no losses in secondary production from exploitation (L index) were observed, indicating that Itaipu fisheries are sustainable regarding ecosystem effects. The negative impacts of introduced species on native species seem to be greater than the fishing impacts. Fishing simulations from the ecosystem Maximum Sustainable Yield (MSY) reduced the biomass of some important species in the local fishery. Regarding management advice, our results indicate that fishing efforts should not be increased for curimba (Prochilodus lineatus), pintado (Pseudoplatystoma corruscans), and jaú (Zungaro jahu). Additionally, participative management methods are important measures for local fisheries. Finally, additional research is needed to investigate how fishery management can promote the use of multispecific methods (e.g., gillnets) to control introduced species
publishDate 2018
dc.date.none.fl_str_mv 2018-10-31
2020-11-19T19:33:21Z
2020-11-19T19:33:21Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv PHILIPPSEN, Juliana Strieder; MINTE-VERA, Carolina V.; COLL, Marta; ANGELINI, Ronaldo. Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach. Reviews in Fish Biology and Fisheries, [S.L.], v. 29, n. 1, p. 125-146, 31 out. 2018. Disponível em: Acesso em: https://link.springer.com/article/10.1007/s11160-018-9539-9.Acesso em: 10 nov. 2020. https://doi.org/10.1007/s11160-018-9539-9
0960-3166
1573-5184
https://repositorio.ufrn.br/handle/123456789/30602
10.1007/s11160-018-9539-9
dc.identifier.dark.fl_str_mv ark:/41046/001300000d2jv
identifier_str_mv PHILIPPSEN, Juliana Strieder; MINTE-VERA, Carolina V.; COLL, Marta; ANGELINI, Ronaldo. Assessing fishing impacts in a tropical reservoir through an ecosystem modeling approach. Reviews in Fish Biology and Fisheries, [S.L.], v. 29, n. 1, p. 125-146, 31 out. 2018. Disponível em: Acesso em: https://link.springer.com/article/10.1007/s11160-018-9539-9.Acesso em: 10 nov. 2020. https://doi.org/10.1007/s11160-018-9539-9
0960-3166
1573-5184
10.1007/s11160-018-9539-9
ark:/41046/001300000d2jv
url https://repositorio.ufrn.br/handle/123456789/30602
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv Attribution 3.0 Brazil
http://creativecommons.org/licenses/by/3.0/br/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution 3.0 Brazil
http://creativecommons.org/licenses/by/3.0/br/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFRN
instname:Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
instname_str Universidade Federal do Rio Grande do Norte (UFRN)
instacron_str UFRN
institution UFRN
reponame_str Repositório Institucional da UFRN
collection Repositório Institucional da UFRN
repository.name.fl_str_mv Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)
repository.mail.fl_str_mv repositorio@bczm.ufrn.br
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