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| Registros recuperados: 37 | |
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| Miazaki, Lizandra Fernandes; Santos, Ana Paula Freitas dos; Salvati, Dalilla da Silva; Simões, Sabrina Morilhas; Costa, Rogério Caetano da. |
| Litopenaeus schmitti is one of the most commercially exploited penaeids on the southeastern and southern Atlantic coast of Brazil. Information about juvenile recruitment and growth patterns of individuals is important for management programs. The present study estimated the growth parameters, longevity, and recruitment of L. schmitti in the region of Ubatuba, São Paulo State. The growth parameters of individuals were estimated by the Bertalanffy growth model, and longevity was estimated with the inverted Bertalanffy equation. The growth parameters were, for females and males respectively: CL∞ = 53.10 mm and 43.23 mm, k = 1.82 year-1 and 2.19 years-1, t0= 1.10 and 0.69. Longevity was calculated to be 2.27 years for females and 2.10 years for males.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dendrobranchiata; Shrimp fisheries; Closed season; Bertalanffy; Growth coefficient.. |
| Ano: 2018 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/40379 |
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| Vianna,Marcelo; Almeida,Tabajara. |
| Trawling for pink shrimp (Farfantepenaeus brasiliensis and F. paulensis) catches also large quantities of fish, mostly bony fish, which are discarded, as they have no commercial value. Their composition and abundance were studied in an area that corresponded to the southeastern coastline of Brazil. Ninety one species were registered. Incidental fishing affected mainly small individuals and occured throughout the year. The year round rate of bony fish to shrimp catches was 10,5:1,0. Three assemblages of bony fishes could be identified, influenced by the seasonal variation of the water masses, the predominant group being associated with the Coastal Water, another with the penetration of colder waters onto the platform (SACW) and a third group of a more... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bycatch; Bony fishes; Demersal fish; Shrimp fisheries. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000500014 |
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| Ajayi, T.O.. |
| Before the Nigerian Institute for Oceanography and Marine Research was established in 1975, the Research division of the parent body carried out extensive resources surveys of the inshore waters (0-50m depth), identified and documented most of the Nigerian Marine and brackish water fish and shrimp resources. The promulgation of the Sea Fisheries Decree of 1971 was based on the research findings of the division which also initiated the biological study of the commercially important fishes. The research efforts of the division provided the first ever scientific information on the coastal oceanography of Nigeria. The possibility of a viable brackish water polyculture was also established at Buguma and Lagos.... |
| Tipo: Report |
Palavras-chave: Inshore waters; Freshwater fish; Shrimp fisheries; Coastal oceanography; Historical account. |
| Ano: 1991 |
URL: http://hdl.handle.net/1834/1185 |
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| Fransozo, A.; Costa, R.C.; Castilho, A.L.; Mantelatto, F.L.. |
| The spatial and temporal distribution of the shrimp Artemesia longinaris in Fortaleza Bay, northern coast of Sao Paulo State, Brazil, in relation to abiotic factors, was studied. Shrimp samples were obtained on a monthly basis from November 1988 through October 1989 at seven pre-delimited transects on board of a fishing vessel supplied with double otter trawl nets. Depth was recorded at the midpoint of each transect; water and sediment samples were taken to measure salinity, temperature, texture and organic matter content of sediment. The shrimps obtained in the trawls were sorted, identified and 100 g subsample at each transect was separated for measurements (carapace length). A total of 3,083 individuals were obtained. Shrimps were more abundant from... |
| Tipo: Journal Contribution |
Palavras-chave: Abiotic factors; Ecological distribution; Shrimp fisheries; Fishery surveys; Abundance. |
| Ano: 2004 |
URL: http://hdl.handle.net/1834/1537 |
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| Fernández, M.. |
| En este estudio se presenta el análisis de la relación entre los valores de densidad de hembras maduras y de hembras impregnadas de langostino Pleoticus muelleri (Bate, 1888) del Golfo San Jorge y las variables ambientales. Los datos analizados provienen de las campañas de investigación del INIDEP OB-03/08 y OB-01/09 realizadas en noviembre-diciembre de 2008 y en enero-febrero de 2009, respectivamente; en el área comprendida entre las latitudes 43º 20´ S y 47º 00´ S y el meridiano 64º 00´ W y la costa. Se consideraron las variables biológicas: densidad de hembras maduras y de hembras impregnadas de langostino, por rango de tallas y las variables ambientales: profundidad, temperatura y salinidad de agua de fondo así como, la diferencia de temperatura y de... |
| Tipo: Theses and Dissertations |
Palavras-chave: Females; Sexual maturity; Spawning grounds; Environmental conditions; Spatial analysis; Statistical models; Shrimp fisheries. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/5159 |
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| Institut de Recherche pour le Développement, Paris (France); Fall, Massal. |
| Français - Les traits essentiels de la côte sénégalaise, repères historiques de la pêche, communautés de pêcheurs, caractéristiques des flottes et modes d’accès à la ressource et d’interaction sont analysés. Les caractéristiques, tendances décroissantes de l’abondance,niveaux d’exploitation, mesures d’aménagement, relations interspécifiques, changements potentiels et sources de variation des stocks démersaux côtiers sont précisés. Les notions de tactiques et stratégies de pêche sont passées en revue, conceptualisées puis étudiées.Le modèle «Dynamique Conjointe Exploitation Ressource» utilisé repose sur la définition de 4 typologies. L’utilisation de méthodes de classification et de connaissances d’experts conduit à considérer 32 stocks, 31 strates, 82... |
| Tipo: Theses and Dissertations |
Palavras-chave: Fisheries; Demersal fisheries; Modelling; Stocks; Ecosystems; Community fishing; Inland waters; Marine water; Hydrologic cycle; Fishermen; Fishing fleet; Shrimp fisheries; Capture fisheries; Fisheries management; Trawling; Artisanal fishing; Fishing licenses. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/5004 |
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| Palha de Sousa, L.; Abdala, S.; Brito, A.. |
| O camarão de superfície do Banco de Sofala representa uma importante fonte de divisas para Moçambique. O estado de conhecimento sobre a pescaria encontra-se distribuído por fontes bibliográficas diversas incluindo principalmente relatórios internos. Este trabalho tem como principal objectivo compilar todos os dados e informação sobre a pescaria e o stock de camarão de superfície no Banco de Sofala desde o início da sua exploração comercial até ao presente momento. Nele se inclui uma breve descrição da pescaria, a evolução do esforço de pesca, capturas e os respectivos rendimentos da pescaria. É feita referência à história das diferentes medidas de gestão adoptadas sobre o licenciamento, a malhagem mínima, vedas e Total Admissível de Captura (TAC). É... |
| Tipo: Journal Contribution |
Palavras-chave: Shrimp fisheries; Fishing effort; Stock assessment. |
| Ano: 2011 |
URL: http://hdl.handle.net/1834/5139 |
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| Diop, M.. |
| Résumé L’analyse des échantillons prélevés sur les captures des crevettiers et merluttiers espagnols opérant dans les eaux mauritaniennes entre 1991 et 1994, a montré que ces pêcheries engendrent beaucoup de prises accessoires. Ces dernières varient entre 87% et 89% pour la pêcherie crevettière et dépassent 64% pour la pêcherie merluttière. Le rapport prises accessoires/capture espèce cible varie donc de 7 :1 à 8 :1 pour les crevettiers et se situerait à environ 2 :1 pour les merluttiers. Les prises accessoires sont constituées principalement de poissons démersaux (représentés essentiellement par les sparidés), de céphalopodes (poulpe, seiches et calmar) et de petits pélagiques. Les poissons démersaux sont largement dominants. |
| Tipo: Journal Contribution |
Palavras-chave: Shrimp fisheries; Hake fisheries; Bycatch; Http://aims.fao.org/aos/agrovoc/c_15949. |
| Ano: 1996 |
URL: http://hdl.handle.net/1834/230 |
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| Martínez, J.. |
| Reporte del estudio de la pesca acompañante del camarón para el Golfo de Guayaquil, para los meses de mayo, junio y julio de 1986. Se dan a conocer las diferentes familias y/o especies para las categorías camarón, pescado bueno y basura; con sus respectivas tasas de captura y porcentajes de ocurrencia. La razón fue 1:2.18:13.84 kg.h-1 variando 1:2.75:12.60 kg.h-1 determinándose que entre 13%-17% es aprovechado para consumo humano directo y entre 77%-81% es aprovechado. Hipotéticamente se calculó para el total de la flota camaronera (240 barcos), que apróximadamente de 11,000 y 36,000 t son aprovechadas anualmente y entre 70,000 y 190,000 t son devueltas al mar. |
| Tipo: Journal Contribution |
Palavras-chave: By catch; Shrimp fisheries. |
| Ano: 1986 |
URL: http://hdl.handle.net/1834/3150 |
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| Kande, S.; Ministère de l'Enseignement Supérieur, des Universités et Centres Universitaires Régionaux et de la Recherche Scientifique, Dakar (Senegal); Université Cheikh Anta Diop, Faculté des Lettres et Sciences Humaines, Département de Sociologie, Dakar (Senegal). |
| Pour accomplir sa mission, le Ministère chargé de la pêche a mis en place une politique bâtie autour de la gestion durable et rationnelle des ressources halieutiques. Dans le cadre de cette politique, il a été mis en place des instruments sectoriel de gestion (permis de pêche, immatriculation des pirogues, etc.) et une réglementation à travers le cote de la pêche. Malgré la volonté affichée et les moyens déployés par l'administration des pêches, ces instruments de gestion sont difficiles à mettre en œuvre et la réglementation en vigueur est très souvent contournée par les pêcheurs artisanaux dont les aspirations et les logiques sont aux antipodes des préoccupations biologiques à long terme. Dans le cadre de ce travail, nous avons choisi d’étudier les... |
| Tipo: Theses and Dissertations |
Palavras-chave: Artisanal fishing; Fishing nets; Shrimp fisheries; Hydrology; Fishery management; Socioeconomic aspects; Fishing gear; Environmental legislation; Fishery management; Environmental legislation; Fishing nets; Hydrology; Fishing gear. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/5000 |
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| Góngora, M.E.. |
| This work characterizes the composition and dynamics of the incidental catch in the patagonian shrimp (Pleoticus muelleri) fishery, with special emphasis on the bycatch of common hake (Merlucius hubbsi). The Observer Program coordinated by the Chubut Province (Argentina) and used to monitor the fishery is evaluated. The factors that explain the variability of hake bycatch rates are analyzed, different statistical estimators are evaluated and possible strategies for controlling bycatch are discussed. The study is centered on the double-otter-trawl freezers, responsible for 75 percent of the Argentine shrimp landings. This fleet operates in San Jorge Gulf, in waters under the jurisdiction of the provinces of Chubut and Santa Cruz, and in waters of the... |
| Tipo: Theses and Dissertations |
Palavras-chave: Shrimp fisheries; Stock assessment; Fishery management; By catch; Catch composition. |
| Ano: 2011 |
URL: http://hdl.handle.net/1834/4190 |
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| Brito, A.. |
| Trawling for penaeid shrimps in Sofala Bank (central Mozambique) has been suggested to have major effects on the size of sea turtle populations. A total of 39 commercial fishers, fishery observers and enforcers were interviewed to assess the level of sea turtle catches in fishing operations and reported that at least 1,735±1,235 sea turtles are caught each fishing season of about seven months. Green turtle (Chelonia mydas, 48.4%), the loggerhead turtle (Caretta caretta, 25.8%) were the most common species, but catches also comprised the olive ridley (Lepidochelys olivacea),the hawksbill turtle (Eretmochelys imbricata) and the leatherback (Dermochelys coriacea). Over 54.8% of the incidents occur within a few miles of the small islands forming the Primeiras... |
| Tipo: Journal Contribution |
Palavras-chave: Marine turtles; Trawling; Shrimp fisheries; Prawns and shrimps; Trawling. |
| Ano: 2012 |
URL: http://hdl.handle.net/1834/5142 |
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| Garcés Rodríguez, Yuliesky; Giménez, Enrique; Alzugaray, Romina. |
| Se representa la distribución del esfuerzo y rendimiento pesquero en la pesca de camarón durante el periodo de 2003 – 2005 para el Golfo de Ana María aplicando Sistema de Información Geográfica. Las salidas espaciales en los mapas obtenidos permitieron mostrar que la región de mayor esfuerzo pesquero fue la zona de Manuel Gómez, de empresas de Cienfuegos (EPICIEN), y las cuadrículas pertenecientes a la empresa de Santa Cruz del Sur (EPISUR). Los máximos de rendimiento pesquero reflejados espacialmente, pertenecen a la sub-zona Este de Manatí, al noreste de las cuadrículas de EPISUR y las sub-zonas de Manuel Gómez y Palomo. La representación gráfica de los resultados muestra que no existe una correspondencia entre el esfuerzo y la captura por unidad de... |
| Tipo: Journal Contribution |
Palavras-chave: Shrimp fisheries; Geographic information systems; Fishing effort. |
| Ano: 2012 |
URL: http://hdl.handle.net/1834/4570 |
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| Villamar, F.. |
| En el presente estudio se realiza un bioensayo para determinar el grado de concentración media letal del dispersante de petróleo BP 1100-WD, utilizando organismos vivos en condiciones de laboratorio. Se describe el método estadístico de Bliss. En definitiva el propósito de realizar bioensayos es la de comparar la toxicidad de diferentes compuestos y conocer la sensibilidad de las diversas especies, para determinar los mecanismos de los efectos de las sustancias ensayadas (Alcazar, 1988). |
| Tipo: Journal Contribution |
Palavras-chave: Bioassays; Toxicity; Larvae; Shrimp fisheries; Bioassays; Toxicity; Larvae. |
| Ano: 1990 |
URL: http://hdl.handle.net/1834/2164 |
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| Registros recuperados: 37 | |
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