Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela
Pearl oysters are abundant bivalves in the northeastern coast of South America that form dense shoals in the Caribbean Sea, where they are exploited for marketing, making them a valuable resource in northeastern Venezuela. In order to provide information on Pinctada imbricata in the La Restinga Lago...
| Autores: | , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2015 |
| País: | Costa Rica |
| Institución: | Universidad Nacional de Costa Rica |
| Repositorio: | Portal de Revistas UNA |
| Idioma: | español |
| OAI Identifier: | oai:ojs.www.una.ac.cr:article/7109 |
| Acceso en línea: | https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109 |
| Access Level: | acceso abierto |
| Palabra clave: | Mollusks bivalves oysters dynamics management Moluscos bivalvos ostras dinámica manejo dinâmica manejo. |
| id |
CR_2b9a93e2dab92b53bc2dd65c30bbb89f |
|---|---|
| oai_identifier_str |
oai:ojs.www.una.ac.cr:article/7109 |
| network_acronym_str |
CR |
| network_name_str |
Costa Rica |
| repository_id_str |
|
| dc.title.none.fl_str_mv |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela Aspectos biológicos básicos de Pinctada imbricata (Bivalvia: Pteriidae) en la laguna de La Restinga, isla de Margarita, Venezuela Aspectos biológicos básicos de Pinctada imbricata (Bivalvia: Pteriidae) na lagoa de La Restinga, ilha de Margarita, Venezuela |
| title |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela |
| spellingShingle |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela Vásquez, Gladys Mollusks bivalves oysters dynamics management Moluscos bivalvos ostras dinámica manejo Moluscos bivalves ostras dinâmica manejo. |
| title_short |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela |
| title_full |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela |
| title_fullStr |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela |
| title_full_unstemmed |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela |
| title_sort |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, Venezuela |
| dc.creator.none.fl_str_mv |
Vásquez, Gladys Crescini, Roberta Villalba, William Mogollón, José Troccoli, Luis |
| author |
Vásquez, Gladys |
| author_facet |
Vásquez, Gladys Crescini, Roberta Villalba, William Mogollón, José Troccoli, Luis |
| author_role |
author |
| author2 |
Crescini, Roberta Villalba, William Mogollón, José Troccoli, Luis |
| author2_role |
author author author author |
| dc.subject.none.fl_str_mv |
Mollusks bivalves oysters dynamics management Moluscos bivalvos ostras dinámica manejo Moluscos bivalves ostras dinâmica manejo. |
| topic |
Mollusks bivalves oysters dynamics management Moluscos bivalvos ostras dinámica manejo Moluscos bivalves ostras dinâmica manejo. |
| description |
Pearl oysters are abundant bivalves in the northeastern coast of South America that form dense shoals in the Caribbean Sea, where they are exploited for marketing, making them a valuable resource in northeastern Venezuela. In order to provide information on Pinctada imbricata in the La Restinga Lagoon, its growth, size structure, condition index and natural mortality were estimated from April 2012 to January 2013. A total of 40 random samples of pearl oysters were collected on a monthly basis by freediving in a linear transect of approximately 200 m. The total length and total weight ratio indicated a negative allometric growth. A multimodal distribution was shown in almost all sampling months, with sizes ranging between 21.56 and 54.61 mm of total length. The modal peak observed in most of the months was between 24 and 28 mm, indicating a continuous recruitment throughout the year. The maximum peak of the monthly condition index was in May 2012, while the minimum was in November 2012. Growth parameters were L∞ = 68.5 mm, K = 1.18/year and t0 = 0.37, reaching the regulatory market size of 50 mm at approximately 18 months, with an estimated 2.92 year maximum longevity. Total mortality, corresponding to natural mortality M, was calculated as Z = 1.40/year. |
| publishDate |
2015 |
| dc.date.none.fl_str_mv |
2015-10-05 |
| 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 |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109 10.15359/revmar.7.8 |
| url |
https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109 |
| identifier_str_mv |
10.15359/revmar.7.8 |
| dc.language.none.fl_str_mv |
spa |
| language |
spa |
| dc.relation.none.fl_str_mv |
https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109/7320 https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109/7324 https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109/14727 |
| dc.rights.none.fl_str_mv |
acceso abierto http://purl.org/coar/access_right/c_abf2 info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
acceso abierto http://purl.org/coar/access_right/c_abf2 |
| eu_rights_str_mv |
openAccess |
| dc.format.none.fl_str_mv |
application/pdf text/html application/epub+zip |
| 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. 7 (2015); 117-132 Revista Ciencias Marinas y Costeras; Vol. 7 (2015); 117-132 Revista Ciencias Marinas y Costeras; v. 7 (2015); 117-132 1659-407X 1659-455X reponame:Portal de Revistas UNA instname:Universidad Nacional de Costa Rica instacron:UNA |
| instname_str |
Universidad Nacional de Costa Rica |
| instacron_str |
UNA |
| institution |
UNA |
| reponame_str |
Portal de Revistas UNA |
| collection |
Portal de Revistas UNA |
| repository.name.fl_str_mv |
Portal de Revistas UNA - Universidad Nacional de Costa Rica |
| repository.mail.fl_str_mv |
andrea.mora.campos@una.cr |
| _version_ |
1849325683518472192 |
| spelling |
Basic biological aspects regarding Pinctada imbricata (Bivalvia: Pteriidae) in the La Restinga Lagoon, Margarita Island, VenezuelaAspectos biológicos básicos de Pinctada imbricata (Bivalvia: Pteriidae) en la laguna de La Restinga, isla de Margarita, VenezuelaAspectos biológicos básicos de Pinctada imbricata (Bivalvia: Pteriidae) na lagoa de La Restinga, ilha de Margarita, VenezuelaVásquez, GladysCrescini, RobertaVillalba, WilliamMogollón, JoséTroccoli, LuisMollusksbivalvesoystersdynamicsmanagementMoluscosbivalvosostrasdinámicamanejoMoluscosbivalvesostrasdinâmicamanejo.Pearl oysters are abundant bivalves in the northeastern coast of South America that form dense shoals in the Caribbean Sea, where they are exploited for marketing, making them a valuable resource in northeastern Venezuela. In order to provide information on Pinctada imbricata in the La Restinga Lagoon, its growth, size structure, condition index and natural mortality were estimated from April 2012 to January 2013. A total of 40 random samples of pearl oysters were collected on a monthly basis by freediving in a linear transect of approximately 200 m. The total length and total weight ratio indicated a negative allometric growth. A multimodal distribution was shown in almost all sampling months, with sizes ranging between 21.56 and 54.61 mm of total length. The modal peak observed in most of the months was between 24 and 28 mm, indicating a continuous recruitment throughout the year. The maximum peak of the monthly condition index was in May 2012, while the minimum was in November 2012. Growth parameters were L∞ = 68.5 mm, K = 1.18/year and t0 = 0.37, reaching the regulatory market size of 50 mm at approximately 18 months, with an estimated 2.92 year maximum longevity. Total mortality, corresponding to natural mortality M, was calculated as Z = 1.40/year.La ostra perla es un bivalvo muy abundante en las costas nororientales de América del Sur, formando densos bancos en el Mar Caribe, donde es explotada para su comercialización, siendo un recurso valioso en el nororiente de Venezuela. Con la finalidad de aportar información sobre Pinctada imbricata en la laguna de La Restinga, se estimó el crecimiento, estructura de tallas, índice de condición y mortalidad natural desde abril de 2012 hasta enero de 2013. Se recolectaron 40 muestras mensuales de forma aleatoria de ostra perla por medio de buceo en apnea, en un transecto lineal de 200 m aproximadamente. La relación entre la longitud total y el peso total indicó un crecimiento alométrico negativo. Se mostró una distribución multimodal en casi todos los meses de muestreo, con un intervalo de tallas comprendidas entre 21.56 y 54.61 mm de longitud total. El pico modal observado en casi todos los meses fue entre 24 y 28 mm, indicando un reclutamiento continuo durante todo el año. El índice de condición mensual presentó su valor máximo en mayo de 2012 y el mínimo en noviembre de 2012. Los parámetros de crecimiento fueron: L∞ = 68.5 mm, K = 1.18/año y t0 = 0.37, alcanzando su talla comercial reglamentaria de 50 mm a los 18 meses de vida aproximadamente, con una longevidad máxima estimada de 2.92 años. La mortalidad total corresponde a la mortalidad natural M y fue calculada como Z = 1.40/año.A ostra perlífera é um bivalve muito abundante nas costas do nordeste da América do Sul, formando densos bancos no Mar Caribe, onde é explorada para sua comercialização, sendo um recurso valioso no nordeste da Venezuela. Com a finalidade de fornecer informação sobre Pinctada imbricata na lagoa de La Restinga, calculou-se o crescimento, estrutura de tamanho, índice de condição e mortalidade natural desde abril de 2012 até janeiro de 2013. Foram coletadas 40 mostras mensais de forma aleatória de ostra perlífera por meio de mergulho em apneia, em uma transeção linear de 200 m aproximadamente. A relação entre a longitude total e o peso total indicou um crescimento alométrico negativo. Mostrou-se uma distribuição multimodal em quase todos os meses de amostragem, com um intervalo de tamanhos compreendidos entre 21.56 e 54.61 mm de longitude total. O pico modal observado em quase todos os meses foi entre 24 e 28 mm, indicando um recrutamento contínuo durante todo o ano. O índice de condição mensal apresentou seu valor máximo em maio de 2012 e o mínimo em novembro de 2012. Os parâmetros de crescimento foram: L∞ = 68.5 mm, K = 1.18/ano e t0 = 0.37,alcançando seu tamanho comercial regulamentário de 50 mm aos 18 meses de vida aproximadamente, com uma longevidade máxima prevista de 2.92 anos. A mortalidade total corresponde à mortalidade natural M foi calculada como Z = 1.40/ano. Universidad Nacional, Costa Rica.2015-10-05info: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+ziphttps://www.revistas.una.ac.cr/index.php/revmar/article/view/710910.15359/revmar.7.8Revista Ciencias Marinas y Costeras; Vol. 7 (2015); 117-132Revista Ciencias Marinas y Costeras; Vol. 7 (2015); 117-132Revista Ciencias Marinas y Costeras; v. 7 (2015); 117-1321659-407X1659-455Xreponame:Portal de Revistas UNAinstname:Universidad Nacional de Costa Ricainstacron:UNAspahttps://www.revistas.una.ac.cr/index.php/revmar/article/view/7109/7320https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109/7324https://www.revistas.una.ac.cr/index.php/revmar/article/view/7109/14727acceso abiertohttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccess2019-08-23T19:53:44Zoai:ojs.www.una.ac.cr:article/7109Portal 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:2019-08-23T19:53:44Portal de Revistas UNA - Universidad Nacional de Costa Ricafalse |
| score |
15,228081 |