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Registros recuperados: 25
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Aire marine protégée du Bamboung OceanDocs
La première aire marine protégée communautaire (AMP) du Sénégal a vu le jour dans le delta du Sine Saloum au niveau du bolong du bambooung. Cette action de préservation et de conservation s'inscrit dans un contexte de baisse globale des ressources halieutiques. Depuis le mois d'Avril 2003, l'aire Marine Protégée Communautaire du Bamboung est balisée et surveillée par des bénévoles des villages périphériques. La mise en place de cette aire protégée s'est faite grâce à une réelle volonté locale.
Tipo: Working Paper Palavras-chave: Marine ecologists; Marine aquaculture; Marine ecology; Marine accidents; Marine crustaceans; Marine ecology; Http://aims.fao.org/aos/agrovoc/c_4609.
Ano: 2003 URL: http://hdl.handle.net/1834/1742
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Aquaculture en système clos : estimation des coûts de production pour l'élevage du bar et du turbot ArchiMer
Lavenant, M; Paquotte, Philippe.
Two major constraints to aquaculture have raised in most countries : the little availability of convenient sites because of the competition for the use of the coastline and the progressive implementation of regulations to reduce the impact of the farms on the environment. The technique of recirculation, widely used for hatcheries, has been developed to answer these constraints and to get free of the natural variations in order to regulate the résults. The ongrowing experimental facilities have proved good enough results to make it possible to conceive industrial projects for sea-bass and turbot. In first approach, the production costs of these systems are similar to traditional techniques but expected productivity gains due to an increase of zootechnical...
Tipo: Text Palavras-chave: Economical aspects; Production costs; Sea bass; Turbot; Marine aquaculture; Recirculation; Closed system; SEM; Aspects économiques; Coût de production; Bar; Turbot; Aquaculture marine; Système clos; Circuit fermé.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/1995/acte-4032.pdf
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Biología reproductiva del lenguado Paralichthys orbignyanus: Maduración y potencial reproductivo en ejemplares cultivados y salvajes OceanDocs
Radonic, M..
Intensive culture of teleost fish introduces changes over the environmental conditions found in their spawning grounds, leading to reproductive dysfunctions. The manipulation of these parameters (photoperiod, temperature) represents a common technique to alter the reproductive rhythms and enhance the spawnings in terms of quality and quantity. Nevertheless, for each species some modifications or adjustments have to be done according to their reproductive strategies. The advantages of manipulating those parameters are primarily to schedule the spawning for a desired period of time and to obtain good quality and quantity eggs. Many factors such as tank dimension, light intensity, nutritional status and husbandry of broodfish and minimum stress level have...
Tipo: Theses and Dissertations Palavras-chave: Fish culture; Marine aquaculture; Reproduction; Fecundity; Wild spawning; Brood stocks; Fish culture; Aquaculture; Paralichthys orbignyanus.
Ano: 2011 URL: http://hdl.handle.net/1834/4505
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Common snook fed in alternate and continuous regimens with diet supplemented with Bacillus subtilis probiotic. Repositório Alice
NOFFS, A. P.; TACHIBANA, L.; SANTOS, A. A.; RANZANI-PAIVA, J. T..
The objective of this work was to evaluate the addition of Bacillus subtilis probiotic to the feed of common snook (Centropomus undecimalis) fingerlings, in alternate and continuous regimens. Six hundred and sixty fish, with verage length of 5.90±0.88 cm and weight of 1.92±0.28g, were stocked in 12 cages of 1.0 m 3 , with 55 fish each. The experimental design was completely randomized, with three treatments and four replicates. The treatments consisted of diet with the addition of probiotic, provided in alternate regimen for 7 days and in continuous regimen; besides a control without probiotic in the feed. Zootechnical performance, body composition, immune response, and blood parameters were evaluated. No significant differences were observed in...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Centropomus undecimalis; Respiratory burst; Imunoestimulante; Piscicultura marinha; Exploração respiratória; Hematologia; Bacillus subtilis; Hematology; Immunostimulant; Marine aquaculture.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1016280
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Common snook fed in alternate and continuous regimens with diet supplemented with Bacillus subtilis probiotic PAB
Noffs,André Pedro; Tachibana,Leonardo; Santos,Antenor Aguiar; Ranzani-Paiva,Maria José Tavares.
The objective of this work was to evaluate the addition of Bacillus subtilis probiotic to the feed of common snook (Centropomus undecimalis) fingerlings, in alternate and continuous regimens. Six hundred and sixty fish, with average length of 5.90±0.88 cm and weight of 1.92±0.28 g, were stocked in 12 cages of 1.0 m3, with 55 fish each. The experimental design was completely randomized, with three treatments and four replicates. The treatments consisted of diet with the addition of probiotic, provided in alternate regimen for 7 days and in continuous regimen; besides a control without probiotic in the feed. Zootechnical performance, body composition, immune response, and blood parameters were evaluated. No significant differences were observed in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacillus subtilis; Centropomus undecimalis; Hematology; Immunostimulant; Marine aquaculture; Respiratory burst..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015000400267
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Crecimiento del lenguado Paralichthys orbignyanus (Valenciennes, 1839) en condiciones de cultivo OceanDocs
Fraysse, C.; Petraroia, A..
Mariculture in Argentina has expanded over the last years. Flounders of the Paralichtydae family are a very important fishery resource due to their abundance, meat quality, and high market price. The first mass production of juveniles of Paralichthys orbignyanus in captivity was successfully performed in 2002 at the Estación Experimental de Maricultura (EEM), Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata. Moreover, it has got potential as a species for cultivation, due to its behaviour in captivity, good growth, survival and feed conversion rates. In this study, the parameters that affect this flounder cultivation under controlled conditions and in closed recirculating seawater system, are presented. Temperature, pH, and...
Tipo: Theses and Dissertations Palavras-chave: Fish culture; Controlled conditions; Recirculating systems; Juveniles; Marine aquaculture.
Ano: 2013 URL: http://hdl.handle.net/1834/5445
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Cultivation of native seaweed Gracilaria domingensis (Rhodophyta) in Southern Brazil BABT
Salles,José Pedrassoli; Scherner,Fernando; Yoshimura,Cristalina Yoshie; Fanganiello,Maurício; Bouzon,Zenilda Laurita; Horta,Paulo Antunes.
The aim of this work was to study the cultivation of Gracilaria domingensis in a mussel farming urbanized area in Santa Catarina, Brazil. Relative growth rate was the parameter used to evaluate the cuttings attachment methods on the cultivation rope, cuttings density, cultivation period and cystocarpic versus unfertile thalli performance. The cultivation was feasible only when protected by net cages due to herbivory. The tie-tie attachment method presented the best results. No differences were observed when comparing the cuttings densities and reproductive phase. Future studies should evaluate the cost-effectiveness of producing the species in net cages and its potential as biofilter.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gracilaria domingensis; Marine aquaculture; Seaweed cultivation; Cultivation methods.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000300018
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Cultivo experimental en el mar de alga roja Hypnea musciforms en el área de Santa Marta, Caribe colombiano OceanDocs
Camacho, Olga; Montaña Fernández, Julián.
Con el fin de proporcionar información sobre cultivos macroalgales en Colombia, se realizaron ensayos de cultivo en medio natural del alga roja Hypnea musciformis. El estudio se desarrolló entre febrero-junio de 2006 en la zona costera de Santa Marta, Caribe colombiano. Los ensayos se hicieron utilizando bolsas de polipropileno suspendidas en una línea superficial en el mar, considerando: lugar (Taganga y Puerto Luz), época climática (seca mayor y lluviosa menor) y tiempo de cosecha (semanal y quincenal). Se obtuvo en promedio total una tasa de crecimiento diaria (TCD) de 2.66 %. No se encontraron diferencias significativas entre los ensayos desarrollados; sin embargo, los mejores resultados se obtuvieron en Taganga en los ensayos semanales durante la...
Tipo: Journal Contribution Palavras-chave: Algal culture; Aquaculture techniques; Marine aquaculture; Hypnea musciformis.
Ano: 2011 URL: http://hdl.handle.net/1834/4429
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Desove en cautiverio y calidad de los huevos y larvas del besugo, Pagrus pagrus (L.) OceanDocs
Aristizabal, E.O..
Spontaneous spawning of red porgy was achieved in captivity by using photoperiod and temperature control systems along the year. During a four-month reproduction period females released in average about 0.2 times their own body weight in oocytes with an energy content of 5.71 J mg-1 wet weight. A total of 28.8 x 106 eggs and approximately 200 g of viable eggs (wet weight) per female kg were obtained. The eggs and larvae quality in terms of hatching and larval survival rates experienced a significant variation during the spawning season ranging between 0%-92% and 0.3%-33.2% respectively. Comments in reference to the probable causes of these variations and the need of carrying on with this line of research are presented.
Tipo: Journal Contribution Palavras-chave: Fish culture; Marine aquaculture; Spawning seasons; Fish culture; Http://aims.fao.org/aos/agrovoc/c_2918.
Ano: 2006 URL: http://hdl.handle.net/1834/1569
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Development of Intergrated Mariculture Pond System (Imps) at Makoba Bay, Zanzibar, Tanzania : a Dream About to Come True OceanDocs
Bhai, A.; Mmochi, A.J..
Tipo: Report Palavras-chave: Ponds construction; Marine aquaculture; Mariculture; Aquaculture; Fish ponds.
Ano: 2003 URL: http://hdl.handle.net/1834/216
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Dix ans de production en ecloserie de mollusques bivalves ArchiMer
Leborgne, Y.
SATMAR has developed techniques and methods allowing a production of over 100 million spat per year at a size from 2 to 10 millimetres. Among the 13 species concerned by this production, 3 of major importance are the oysters Crassostrea gigas, Ostrea edulis and the Japanese little neck clam, Ruditapes philippinarum . The hatchery production could easily be doubled if the market would increase. Current research tend to increase the quality of the products by means of genetics and to lower the costs by improving the nursery phase.
Tipo: Text Palavras-chave: Ruditapes philippinarum; Ostrea edulis; Crassostrea gigas; Bivalvia; Costs; Marine aquaculture; Economics; Hatcheries; Aquaculture enterprises; Ecloserie; Production commerciale; Mollusques bivalves.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1184.pdf
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Ecologie bacterienne dans les bacs d'elevage larvaire de coquilles Saint-Jacques (Pecten maximus ) ArchiMer
Jacq, E; Moal, Jeanne; Samain, Jean-francois; Corre, S; Daniel, J; Nicolas, Jean-louis; Cochard, Jean-claude; Fera, P.
Larval rearings were performed with seawater either freshly pumped or after storage in a pond. Concerning bacterial populations these waters were characterized by a high diversity, little sized bacteria whose few of them (1%) were cultivable on Zobell medium. In the tanks, the bacterial ecosystem was modified by the presence of antibiotics, larvae and algae: the diversity was lowered, the cellular volume was increased by a factor 2 to 5, 100% bacteria were cultivable and chloramphenicol resistant, and their metabolism changed. Taxonomic screening showed no differences among the two waters neither at the beginning nor at the end of the rearings. However, depending on the water (stored or not) differences were identified for bacterial physiology and...
Tipo: Text Palavras-chave: Marine aquaculture; Pond culture; Scallop culture; Ecology; Antibiotics; Organic matter; Grazing; Carbohydrates; Mathematical models; Modelling; Growth; Bacterial diseases; Biological production; Culture tanks; Larvae; Rearing.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-914.pdf
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Efectos de temperatura y salinidad sobre el crecimiento de juveniles de besugo Pagrus pagrus (Linné,1758)(Actinopterygii; Perciformes) en sistemas de recirculación cerrada OceanDocs
Suárez, J..
The growth and survival of juvenile red porgy, Pagrus pagrus, reared in captivity (mean body weigth 81.0 not equal to 37.24g), exposed to two different temperatures (18 degree and 22 degree C)and three salinities (21, 27 and 33 psu)during a 30 day period, were studied. Final survival rate was 100. in all treatments. The highest growth rate was reached at 18 degree C/33 psu with a value of 1.07 /day. There was an inverse trend in the growth rate between the two temperatures. Food consumption increased with the increase of salinity and temperature. The highest food consumption rate was 1.17. (18 degree C/33 psu). The relationships between protein efficiency ration (PER)and salinity were positive at 18 degree C and negative at 22 degree C. The highest values...
Tipo: Theses and Dissertations Palavras-chave: Environmental effects; Fish culture; Food consumption; Growth; Juveniles; Recirculating systems; Survival; Marine aquaculture; Fish culture; Food consumption; Growth; Juveniles; Survival; Http://aims.fao.org/aos/agrovoc/c_2918; Http://aims.fao.org/aos/agrovoc/c_3016; Http://aims.fao.org/aos/agrovoc/c_3394; Http://aims.fao.org/aos/agrovoc/c_25393; Http://aims.fao.org/aos/agrovoc/c_7538.
Ano: 2004 URL: http://hdl.handle.net/1834/2601
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Effect of the incubation temperature on the embryonic development and hatching time of eggs of the red porgy Pagrus pagrus (Linne, 1758)(Pisces: Sparidae) OceanDocs
Radonic, M.; López, A.V.; Oka, M.; Aristizabal, E.O..
Assessment of egg quality at early embryonic stages may be useful predictive criterion to evaluate the potential mass juvenile production in red porgy Pagrus pagrus. The objective of the present study is to describe in detail the embryonic developmental stages in the red porgy and the time taken by larvae to hatch at three incubation temperatures. Fertilized eggs obtained from natural spawnings were incubated at 15, 20 and 25°C. Photomicrographs of all the embryonic stages were taken at the three temperatures. Cell divisions after fertilization and organ appearance during the embryonic development were identified. The sequence in cellular divisions and appearance of sensory and motor organs were the same for the three temperatures, although the higher the...
Tipo: Journal Contribution Palavras-chave: Marine aquaculture; Marine fish.
Ano: 2005 URL: http://hdl.handle.net/1834/1404
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Effets de l’incorporation de la farine de tomate dans l’alimentation du Tilapia du nil (oreochromis niloticus, l., 1758) en élevage dans les eaux géothermales du sud Tunisien OceanDocs
Azaza, M.S.; Mensi, F.; Imouri Toko, I.; Dhraief, M.N.; Abdelmouleh, A.; Brini, B.; Kraiem, M.M..
Afin de réduire le coût des aliments aquacoles, nous avons procédé à la substitution d’une matière première végétale importée: le tourteau de soja (TS) par un sous produit local : la farine de tomate (FT). L’expérience est menée sur des juvéniles de Tilapia (Oreochromis niloticus) monosexe mâle ayant un poids moyen initial de 20,54 ± 0,08 g. (poids moyen ± ES), et elle consiste à tester 4 régimes alimentaires isoprotéiques (27 % de protéines) et isoénergétiques (17 KJ/g) contenant différents taux de farine de tomate: 0 % (aliment témoin), 10 %, 20 % et 30 % noté respectivement A0, A10, A20 et A30. Ces aliments sont testés, durant 75 jours. A la fin de l’expérience les poids moyens finaux ont atteint des valeurs comprises entre 98,62 g et 129,77 g selon...
Tipo: Journal Contribution Palavras-chave: Diets; Digestibility; Feed efficiency; Feeding experiments; Fish culture; Growth; Marine aquaculture; Nutrition; Oreochromis niloticus; Http://aims.fao.org/aos/agrovoc/c_34687.
Ano: 2006 URL: http://hdl.handle.net/1834/4238
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Evaluación del crecimiento de Pargo Canane Ocyurus chrysurus y Biajaiba Lutjanus synagris cultivadas en jaulas flotantes en la costa de Lerma, Campeche, México OceanDocs
García Torcuato, R.; Cervantes Trujano, M.; Ancona Ordaz, A..
Among the marine species more quoted in the coasts of Campeche in the Gulf of Mexico, we can found the pargo canane (Ocyurus chrysurus) and the biajaiba (Lutjanus synagris), that have a great demand in the national and regional market. In the installations of the Technological Institute of Lerma, has developed growing of O. chrysurus and L. synagris in floating cages, until this moment growing of these specie has been never carried out. In this work we carried out an evaluation of the growth of O. chrysurus and L. synagris at three different culture densities, in floating cages with volume of 1.5 m3. We conclude that O. chrysurus presents a greater growth rate for length and biomass (27.6 and 99.28%) with regard to L. synagris (18.99 and 76.81). The growth...
Tipo: Proceedings Paper Palavras-chave: Marine aquaculture; Cage culture; Growth; Cage culture; Growth; Http://aims.fao.org/aos/agrovoc/c_25190; Http://aims.fao.org/aos/agrovoc/c_3394.
Ano: 2006 URL: http://hdl.handle.net/1834/2074
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Grossissement des juveniles de palourdes "Ruditapes decussatus" (l., 1758), sur l’estran de Zarat (golfe de Gabès, Tunisie), dans des conditions expérimentales. OceanDocs
Zouari, M.; Hitonori, N.; Lymayem, Y.; M'Rabet, R.; Dhraief, M.N.; Missaoui, H.; Guergej, H.; Kraiem, M.M..
Le potentiel de grossissement de la palourde Ruditapes decussatus (L. 1758), élevée dans des poches de filet de 1 m2 de surface, a été évalué sur l’estran de Zarat (golfe de Gabès) pour la période de juillet 2006 à novembre 2007. Dans une première expérience, trois niveaux de la marée, représentant des chenaux de drainage de l’eau, existants entre la ligne de marée haute et celle de marée basse, ont été comparés sur une durée de 16 mois. Chacun des niveaux a été représenté par un triplicata de sacs de 150 individus. Dans une seconde expérience, trois densités de mise en charge différentes ont été comparées sur une durée de 17 mois. Pour cela, deux sacs de 100 individus chacun et deux autres de 200 individus chacun ont été alignés à l’expérience précédente,...
Tipo: Journal Contribution Palavras-chave: Clam culture; Comparative studies; Environmental conditions; Estuaries; Experimental culture; Growth; Growth rate; Marine aquaculture; Marine molluscs; Population density; Rearing; Stocking density; Clams.
Ano: 2009 URL: http://hdl.handle.net/1834/4495
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Hydrological Characteristics of Cienfuegos’ Bay, Cuba, Related to the Presence of the Invasive Green Mussel Perna viridis OceanDocs
Garcés, Y.; Betanzos, A.; Lopeztegui, A.; Artiles, A..
The aim of this work was to analyze hydrological condition variations in Cienfuegos’ Bay in 2011 and its possible influence in life cycle and distribution of the green mussel Perna viridis. The hydrological parameters in the bay are described according to the campaigns performed in February, May and November. Samples from two levels (surface and bottom) were taken, in order to get water temperature, salinity and dissolved oxygen. The results show the climatic seasonality influence (dry and rain) both in spatial as well as in vertical distribution of the observed parameters. The mean concentrations of the analyzed hydrological markers were in agreement with the NC 25: 1999 requirements of good quality water for fishing use. The observed hydrological...
Tipo: Journal Contribution Palavras-chave: Marine aquaculture; Temperature; Parameters; Environmental conditions; Salinity effects.
Ano: 2012 URL: http://hdl.handle.net/1834/5349
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Isolement et identification de vibrions halophiles d'une station experimentale de mariculture ArchiMer
Bruni, V; Crisafi, E; Maugeri, T; Zaccone, R.
110 Vibrio strains were isolated, at various times of the year, from samples of sea-water supply, breeding-tank water and discarded fish used as food at the breeding stations. From the results obtained by the biochemical and cultural tests, it was possible to identify most of the isolated strains as Vibrio anguillarum . Strains with intermediate characteristics, above-all positive saccharose, proved to be numerous. The authors discuss the occurrence, in particular environments such as those being studied, of atypical or intermediate vibrio strains which are difficult to classify.
Tipo: Text Palavras-chave: Vibrio; Microbiological culture; Bacteria; Food; Minced products; Fish ponds; Sea water; Identification; Marine aquaculture; Bacteria collecting devices; Microbiological analysis.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-997.pdf
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l'Aquaculture (pisciculture et crevetticulture) dans la vallée du fleuve Sénégal: potentialité et perspective OceanDocs
Diallo, A.; Diouf, P.S.; Ngom, M.; Ndiaye, V..
l'Aquacuulture dans sa composante pisciculture à fait l'objet de plusieurs expérimentations dans la vallée du fleuve Sénégal par le biais de projet de production ce dernier n'a pas donné de résultats escomptés. L'Aménagement de la vallée à induit des disponibilités en terre et eau qui offre à l'aquaculture les possibilités d'un developpement durable notamment la pisciculture et crevetticulture.
Tipo: Journal Contribution Palavras-chave: Aquaculture; Aquaculture development; Aquaculture statistics; Freshwater aquaculture; Aquaculture systems; Marine aquaculture; Small scale aquaculture; Aquaculture; Http://aims.fao.org/aos/agrovoc/c_550.
Ano: 2003 URL: http://hdl.handle.net/1834/2222
Registros recuperados: 25
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