Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela
The composition and ecological aspects of fish larvae present in the Cariaco Trench, Venezuela, were described. Planktonic samples were collected between October 2012 and December 2013 during seven campaigns. A standard conical hanging net with a 35 cm mouth diameter and a 300-micron pore was used....
| Autores: | , , , |
|---|---|
| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2023 |
| País: | Costa Rica |
| Recursos: | Universidad Nacional de Costa Rica |
| Repositorio: | Portal de Revistas UNA |
| Idioma: | español inglés |
| OAI Identifier: | oai:ojs.www.una.ac.cr:article/19193 |
| Acesso em linha: | https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193 |
| Access Level: | acceso abierto |
| Palavra-chave: | Fish larvae Cariaco basin taxonomy diversity composition Larvas de peces Cuenca de Cariaco taxonomía diversidad composición larvas de peixes bacia do Cariaco taxonomia diversidade composição |
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Costa Rica |
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Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela Variación temporal de la densidad y aspectos ecológicos del ictioplancton en la zona epipelágica de la fosa de Cariaco, Venezuela Variação temporal na densidade e aspectos ecológicos do ictioplâncton na zona epipelágica da Fossa de Cariaco, Venezuela |
| title |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela |
| spellingShingle |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela Rondón-Ramos, Mariana Fish larvae Cariaco basin taxonomy diversity composition Larvas de peces Cuenca de Cariaco taxonomía diversidad composición larvas de peixes bacia do Cariaco taxonomia diversidade composição |
| title_short |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela |
| title_full |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela |
| title_fullStr |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela |
| title_full_unstemmed |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela |
| title_sort |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, Venezuela |
| dc.creator.none.fl_str_mv |
Rondón-Ramos, Mariana López-Marcano, Juan Núñez-Peñalver, José Marín-Espinoza†, Baumar |
| author |
Rondón-Ramos, Mariana |
| author_facet |
Rondón-Ramos, Mariana López-Marcano, Juan Núñez-Peñalver, José Marín-Espinoza†, Baumar |
| author_role |
author |
| author2 |
López-Marcano, Juan Núñez-Peñalver, José Marín-Espinoza†, Baumar |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Fish larvae Cariaco basin taxonomy diversity composition Larvas de peces Cuenca de Cariaco taxonomía diversidad composición larvas de peixes bacia do Cariaco taxonomia diversidade composição |
| topic |
Fish larvae Cariaco basin taxonomy diversity composition Larvas de peces Cuenca de Cariaco taxonomía diversidad composición larvas de peixes bacia do Cariaco taxonomia diversidade composição |
| description |
The composition and ecological aspects of fish larvae present in the Cariaco Trench, Venezuela, were described. Planktonic samples were collected between October 2012 and December 2013 during seven campaigns. A standard conical hanging net with a 35 cm mouth diameter and a 300-micron pore was used. Drafts were made horizontally, at a depth of 20 meters, with a duration of 15 minutes, at a speed of 2 knots. A total of 322 fish larvae was obtained: in 16 orders, 20 families and 28 species. The families Carangidae and Gobiidae presented the highest number of species, with 6 and 3, respectively; while Bregmacerotidae was the one that contributed with the highest density of organisms (53.29 org/100 m3), being the species with the highest relative abundance Bregmaceros cantori with 29.81%. In general, monthly diversity was low, with values between 0 and 1.55 bits/ind, not differing statistically between months (KW = 7.604; P = 0.2686). Species richness between 0 and 2.06 did not present differences between months either (KW = 7.0927; P = 0.3124). The ichthyoplankton of the Cariaco Trench was dominated mainly by families of mesopelagic fish such as Bregmacerotidae and Myctophidae. Of the 28 species identified, 54% are of commercial interest to the country, which provides additional value to the Cariaco Trench. |
| publishDate |
2023 |
| dc.date.none.fl_str_mv |
2023-08-25 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/publishedVersion Peer-reviewed article Artículo evaluado por pares Artigo revisto por pares artículo original http://purl.org/coar/resource_type/c_2df8fbb1 info:eu-repo/semantics/article |
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article |
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publishedVersion |
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https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193 10.15359/revmar.15-2.3 |
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https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193 |
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10.15359/revmar.15-2.3 |
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spa eng |
| language |
spa eng |
| dc.relation.none.fl_str_mv |
https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29121 https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29122 https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29123 https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29124 https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29125 |
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acceso abierto http://purl.org/coar/access_right/c_abf2 info:eu-repo/semantics/openAccess |
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acceso abierto http://purl.org/coar/access_right/c_abf2 |
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openAccess |
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application/pdf text/html application/epub+zip audio/mpeg audio/mpeg |
| dc.publisher.none.fl_str_mv |
Universidad Nacional, Costa Rica. |
| publisher.none.fl_str_mv |
Universidad Nacional, Costa Rica. |
| dc.source.none.fl_str_mv |
Revista Ciencias Marinas y Costeras; Vol. 15, Núm. 2 (2023): (July-December); 35-54 Revista Ciencias Marinas y Costeras; Vol. 15, Núm. 2 (2023): (julio-diciembre); 35-54 Revista Ciencias Marinas y Costeras; Vol. 15, Núm. 1 (2023): (julho-desembro); 35-54 1659-407X 1659-455X reponame:Portal de Revistas UNA instname:Universidad Nacional de Costa Rica instacron:UNA |
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Universidad Nacional de Costa Rica |
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UNA |
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UNA |
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Portal de Revistas UNA |
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Portal de Revistas UNA |
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Portal de Revistas UNA - Universidad Nacional de Costa Rica |
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andrea.mora.campos@una.cr |
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1849325684258766848 |
| spelling |
Density temporal variation and ecological aspects of ichthyoplankton in the epipelagic zone of the Cariaco Trench, VenezuelaVariación temporal de la densidad y aspectos ecológicos del ictioplancton en la zona epipelágica de la fosa de Cariaco, VenezuelaVariação temporal na densidade e aspectos ecológicos do ictioplâncton na zona epipelágica da Fossa de Cariaco, VenezuelaRondón-Ramos, MarianaLópez-Marcano, JuanNúñez-Peñalver, JoséMarín-Espinoza†, BaumarFish larvaeCariaco basintaxonomydiversitycompositionLarvas de pecesCuenca de Cariacotaxonomíadiversidadcomposiciónlarvas de peixesbacia do CariacotaxonomiadiversidadecomposiçãoThe composition and ecological aspects of fish larvae present in the Cariaco Trench, Venezuela, were described. Planktonic samples were collected between October 2012 and December 2013 during seven campaigns. A standard conical hanging net with a 35 cm mouth diameter and a 300-micron pore was used. Drafts were made horizontally, at a depth of 20 meters, with a duration of 15 minutes, at a speed of 2 knots. A total of 322 fish larvae was obtained: in 16 orders, 20 families and 28 species. The families Carangidae and Gobiidae presented the highest number of species, with 6 and 3, respectively; while Bregmacerotidae was the one that contributed with the highest density of organisms (53.29 org/100 m3), being the species with the highest relative abundance Bregmaceros cantori with 29.81%. In general, monthly diversity was low, with values between 0 and 1.55 bits/ind, not differing statistically between months (KW = 7.604; P = 0.2686). Species richness between 0 and 2.06 did not present differences between months either (KW = 7.0927; P = 0.3124). The ichthyoplankton of the Cariaco Trench was dominated mainly by families of mesopelagic fish such as Bregmacerotidae and Myctophidae. Of the 28 species identified, 54% are of commercial interest to the country, which provides additional value to the Cariaco Trench.Se describió la composición y los aspectos ecológicos de las larvas de peces presentes en la fosa de Cariaco, Venezuela. Se realizaron 7 campañas, mediante las cuales se colectaron muestras planctónicas entre octubre de 2012 y diciembre de 2013. Se utilizó una red cónica estándar de ahorque de 35 cm de diámetro de boca y poro de 300 micras. Los calados se efectuaron de manera horizontal, a una profundidad de 20 metros, con una duración de 15 minutos, a una velocidad de 2 nudos. Se obtuvo 322 larvas de peces: en 16 órdenes, 20 familias y 28 especies. Las familias Carangidae y Gobiidae presentaron mayor número de especies, con 6 y 3, respectivamente; mientras, Bregmacerotidae fue la que contribuyó con mayor densidad de organismos (53.29 org/100 m3), y constituyó la especie con mayor abundancia relativa Bregmaceros cantori, con un 29.81%. En general, la diversidad mensual resultó baja, con valores entre 0 y 1.55 bits/ind; no difirió estadísticamente entre meses (KW = 7.604; P = 0.2686). La riqueza de especies entre 0 y 2.06 tampoco presentó diferencias entre los meses (KW = 7.0927; P = 0.3124). El ictioplancton de la fosa de Cariaco estuvo dominado, principalmente, por familias de peces mesopelágicos como Bregmacerotidae y Myctophidae. De las 28 especies identificadas, el 54% es de interés comercial para el país, lo que proporciona valor adicional a la fosa de Cariaco.Foram descritos a composição e os aspectos ecológicos das larvas de peixes na Fossa de Cariaco, Venezuela. Foram realizadas sete pesquisas, coletando amostras planctônicas entre outubro de 2012 e dezembro de 2013. Foi usada uma rede suspensa cônica padrão com diâmetro de boca de 35 cm e tamanho de poro de 300 mícrons. As correntes de ar foram realizadas horizontalmente, a uma profundidade de 20 metros, por um período de 15 minutos, a uma velocidade de 2 nós. Foram obtidas 322 larvas de peixes: em 16 ordens, 20 famílias e 28 espécies. As famílias Carangidae e Gobiidae apresentaram o maior número de espécies, com 6 e 3, respectivamente; enquanto Bregmacerotidae contribuiu com a maior densidade de organismos (53.29 org/100m3), e a espécie com a maior abundância relativa foi Bregmaceros cantori, com 29.81%. De modo geral, a diversidade mensal foi baixa, com valores entre 0 e 1.55 bits/ind; e não diferiu estatisticamente entre os meses (KW = 7.604; P = 0.2686). A riqueza de espécies entre 0 e 2.06 também não diferiu entre os meses (KW = 7.0927; P = 0.3124). O ictioplâncton da Fossa do Cariaco foi dominado principalmente por famílias de peixes mesopelágicos, como Bregmacerotidae e Myctophidae. Das 28 espécies identificadas, 54% são de interesse comercial para o país, proporcionando um valor adicional à Fossa do Cariaco.Universidad Nacional, Costa Rica.2023-08-25info:eu-repo/semantics/publishedVersionPeer-reviewed articleArtículo evaluado por paresArtigo revisto por paresartículo originalhttp://purl.org/coar/resource_type/c_2df8fbb1info:eu-repo/semantics/articleapplication/pdftext/htmlapplication/epub+zipaudio/mpegaudio/mpeghttps://www.revistas.una.ac.cr/index.php/revmar/article/view/1919310.15359/revmar.15-2.3Revista Ciencias Marinas y Costeras; Vol. 15, Núm. 2 (2023): (July-December); 35-54Revista Ciencias Marinas y Costeras; Vol. 15, Núm. 2 (2023): (julio-diciembre); 35-54Revista Ciencias Marinas y Costeras; Vol. 15, Núm. 1 (2023): (julho-desembro); 35-541659-407X1659-455Xreponame:Portal de Revistas UNAinstname:Universidad Nacional de Costa Ricainstacron:UNAspaenghttps://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29121https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29122https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29123https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29124https://www.revistas.una.ac.cr/index.php/revmar/article/view/19193/29125acceso abiertohttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccess2023-11-20T19:19:23Zoai:ojs.www.una.ac.cr:article/19193Portal de revistashttp://revistas.una.ac.cr/Universidadhttp://www.una.ac.crhttps://revistas.una.ac.cr/index.php/index/oaiandrea.mora.campos@una.crCosta RicaNo aplicaNo aplicaNo aplicaopendoar:2023-11-20T19:19:23Portal de Revistas UNA - Universidad Nacional de Costa Ricafalse |
| score |
15,198674 |