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Registros recuperados: 38
Primeira ... 12 ... Última
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Cladocères des petits lacs de barrage du nord de la Côte d'Ivoire. OceanDocs
Aka-Koffi, N.M.; Pagano, M.; Cecchi, P.; Corbin, D..
Au niveau de la chaîne trophique, les cladocères constituent un maillon important dans le transfert de la production primaire vers les échelons terminaux exploitables. Ils tiennent un rôle important dans la gestion des écosystèmes naturels exploités. Ils peuvent également être utilisés pour différentes applications et notamment l'aquaculture et les programmes de santé.
Tipo: Journal Contribution Palavras-chave: Taxa; Reservoirs (water); Crustaceans.
Ano: 2011 URL: http://hdl.handle.net/1834/5781
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Electron microscopy of glial cells of the central nervous system in the crab Ucides cordatus BJMBR
Allodi,S.; Taffarel,M..
Invertebrate glial cells show a variety of morphologies depending on species and location. They have been classified according to relatively general morphological or functional criteria and also to their location. The present study was carried out to characterize the organization of glial cells and their processes in the zona fasciculata and in the protocerebral tract of the crab Ucides cordatus. We performed routine and cytochemical procedures for electron microscopy analysis. Semithin sections were observed at the light microscope. The Thiéry procedure indicated the presence of carbohydrates, particularly glycogen, in tissue and in cells. To better visualize the axonal ensheathment at the ultrastructural level, we employed a method to enhance the...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Glial cells; Crustaceans; Electron microscopy; Cytochemistry; Ucides cordatus.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1999000300013
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Exploitation et optimisation de la production des cystes du crustacé "Artemia tunisiana" (bowen et sterling, 1978) dans la saline de Sfax OceanDocs
Aloui, N.; Amorri, M..
La saline de Sfax constitue le meilleur site pour l’exploitation et la production d’Artemia en Tunisie. La production de cystes est exploitée chaque année pour être utilisée dans l’alimentation des larves de poissons. Cette production est estimée à 30 kg de cystes poids sec. Toutefois, lors de nos campagnes de récolte, nous avons enregistré de grandes pertes de cystes occasionnées par les vents emportant les cystes qui seront mélangés avec le sable. Afin de minimiser les pertes et optimiser la production naturelle de la saline, nous avons jugé utile, d’installer des barrages dans les coins des bassins à Artemia pour s’opposer à l’action du vent. Par ailleurs, nous avons fait un suivi mensuel de l’abondance des cystes récoltés et de quelques paramètres...
Tipo: Journal Contribution Palavras-chave: Barriers; Brine shrimp culture; Dissolved oxygen; Environmental conditions; Exploitation; Feeding; Fish larvae; Food organisms; Salinity effects; Spatial variations; Temporal variations; Cysts; Artemia culture; Prawns and shrimps; Crustaceans; Artemia.
Ano: 2009 URL: http://hdl.handle.net/1834/4747
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Planktonic copepod community in the neritic area south western part of Tunis bay influenced by Meliane river supplies (south western Mediterranean sea) OceanDocs
Ben Lamine, Y.; Daly Yahia Kefi, O.; Daly Yahia, N..
The Tunis bay is located in the North Estern coast of Tunisia and receives in its Western part flows from Meliane River. Our study aims to describe the composition and the spatiotemporal distribution of planktonic copepods in the bay in order to identify the effect of the Meliane River supplies on the community. A grid of 19 stations was investigated monthly from July 2004 to December 2004 using a 160 μm mesh size plankton net, towed obliquely from the bottom to the surface. The planktonic copepod community was represented by 21 taxa of Calanoida, 4 taxa of Cyclopoida, 3 taxa of Poicilostomatoida and one species of Harpacticoida. The presence of freshwater taxa like Arctodiaptomus salinus, Microcyclops sp and Thermocyclops sp in the coastal stations...
Tipo: Journal Contribution Palavras-chave: Plankton; Distribution; Crustaceans; Freshwater-seawater interface.
Ano: 2012 URL: http://hdl.handle.net/1834/5317
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Composition and seasonal variation of brachyura and anomura (Crustacea, Decapoda) associated with brown mussel farms at Praia da Cocanha, Brazil BABT
Bernadochi,Ligia Coletti; Silvestri,Fausto; Turra,Alexander.
The composition and seasonal variation of brachyuran and anomuran species associated with mussel farms were evaluated at Praia da Cocanha, São Paulo between May 2007 and February 2008. Nine mussel ropes were sampled at random in each quarter, and 1,208 organisms were identified, comprising five families and 28 species. The most numerous species was the porcellanid Pachycheles laevidactylus (18.5%), followed by the xanthids Acantholobulus schmitti (16.6%), Hexapanopeus paulensis (11.3%), Panopeus americanus (10.2%), and Menippe nodifrons (8.4%). The exotic crab Charybdis hellerii was recorded throughout the study period. The ecological descriptors, except Pielou evenness index, varied significantly over the time. The highest abundance and diversity of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Associated fauna; Mussel culture; Perna perna; Crustaceans; Community ecology.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000400010
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Chlordecone in the marine environment around the French West Indies: from measurement to pollution management decisions ArchiMer
Bertrand, Jacques; Bodiguel, Xavier; Abarnou, Alain; Reynal, Lionel; Bocquene, Gilles.
Chlordecone is a very persistent insecticide used in banana plantations of the French West Indies between 1972 and 1993. Chlordecone residues were found in inland water, in agricultural and freshwater products, and in marine organisms. This pollution has become of great concern in 2007. Therefore, a governmental action Plan was launched to better assess the pollution and to improve the consumer’s protection. Within this plan, 1048 samples from 69 different species of marine fishes and crustaceans were collected all around both the Guadeloupe and the Martinique Islands and analyzed. The results confirm the presence of chlordecone in marine organisms, with highly variable concentrations (from the detection limit to 1000 μg.kg-1). In 17.9 % of the samples,...
Tipo: Text Palavras-chave: Chlordecone (Kepone); French West Indies; Fishes; Crustaceans; Organochlorinated contaminant; Risk assessment; Pollution management.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00014/12511/9361.pdf
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Organochlorinated contaminants in decapod crustaceans from the coasts of Brittany and Normandy (France) ArchiMer
Bodin, Nathalie; Abarnou, Alain; Le Guellec, Anne-marie; Loizeau, Veronique; Philippon, Xavier.
The contamination and distribution of organ ochlorinated compounds were considered in three crustacean species (edible crab, Cancer pagurus; spider crab, Maja brachydactyla; velvet swimming crab, Necora puber) from five sites along the coasts of Brittany and Normandy (Western and North-Western France). PCBs (16 single congeners), pp'-DDE and HCB were measured in hepatopancreas, gonads and muscle: in all, 175 samples were analysed. The spider crab was the only species found in the five sampling sites, thus enabling comparison between areas. Specimens from Antifer were much more contaminated (Sigma(16)PCBs in hepatopancreas = 2000-4000 ng g(-1) dry weight) than those from other sites (50-1000 ng g(-1) d.w.). Among all the three species, the spider crab...
Tipo: Text Palavras-chave: Human diet; France; Brittany; Normandy; Crustaceans; Polychlorobiphenyls.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2594.pdf
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Osmoregulation in larvae and juveniles of two recently separated Macrobrachium species: Expression patterns of ion transporter genes ArchiMer
Boudour-boucheker, Nesrine; Boulo, Viviane; Charmantier-daures, Mireille; Anger, Klaus; Charmantier, Guy; Lorin-nebel, Catherine.
In this comparative study, osmoregulatory mechanisms were analyzed in two closely related species of palaemonid shrimp from Brazil, Macrobrachium pantanalense and Macrobrachium amazonicum. A previous investigation showed that all postembryonic stages of M. pantanalense from inland waters of the Pantanal are able to hyper-osmoregulate in fresh water, while this species was not able to hypo-osmoregulate at high salinities. In M. amazonicum originating from the Amazon estuary, in contrast, all stages are able to hypo-osmoregulate, but only first-stage larvae, late juveniles and adults are able to hyper-osmoregulate in fresh water. The underlying molecular mechanisms of these physiological differences have not been known. We therefore investigated the...
Tipo: Text Palavras-chave: Salinity; Crustaceans; Branchial chamber; NHE3 transporter; V-type H+-ATPase; Na+/K+-ATPase.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00313/42427/41899.pdf
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Could a diet enriched with n-3 highly unsaturated fatty acids be considered a promising way to enhance the immune defences and the resistance of Penaeid prawns to environmental stress? ArchiMer
Chim, Liet; Lemaire, Pierrette; Delaporte, Maryse; Le Moullac, Gilles; Galois, Robert; Martin, Jean-louis.
The prawn Penaeus stylirostris (Stimpson), when fed for 28 days with n-3 highly unsaturated fatty acid (HUFA)-enriched feed pellets, demonstrated an enhanced resistance to variations in environmental parameters (a decrease in temperature and salinity over a 4-day period from 28 degreesC to 17 degreesC and from 35 parts per thousand to 10 parts per thousand respectively) and an improvement in their immune defence potential, i.e. increased agglutination titre of plasma and increased respiratory burst of haemocytes.
Tipo: Text Palavras-chave: Immunostimulation; Osmoregulation; Environment; Stress; Essential fatty acids; Crustaceans.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/publication-606.pdf
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Acoustic behaviours of large crustaceans in NE Atlantic coastal habitats ArchiMer
Coquereau, Laura; Grall, Jacques; Clavier, Jacques; Jolivet, Aurelie; Chauvaud, Laurent.
Although many studies have investigated the benthic environment of temperate marine waters, little is known about the acoustic behaviour of the organisms in these habitats, particularly crustaceans. This study focused on the acoustic behaviour of large crustaceans in NE Atlantic coastal regions. A total of 11 crustacean species were recorded in tank-based experiments to identify sound-producing species and the behaviours associated with their sounds as well as to quantitatively characterise and compare the sounds. A total of 34 sounds were associated with behaviours such as moving, feeding, mandible rubbing, swimming, species-specific behaviour and other unidentified behaviours. The sounds included single pulse and pulse train signals that were distributed...
Tipo: Text Palavras-chave: Acoustic behaviour; Sound library; Crustaceans; Crabs; Snapping shrimps.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00616/72859/72983.pdf
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A null model for explain crustacean zooplankton species associations in central and southern patagonian in land waters OceanDocs
De los Rios, Patricio.
Los ensambles zooplanctónicos en cuerpos de agua de la zona centro y sur de la Patagonia chilena se caracterizan por su alto endemismo y un relativo bajo número de especies lo cual se debería principalmente a la oligotrofía y niveles de conductividad de estos ambientes. El objetivo del presente trabajo consistió en analizar información publicada y sin publicar sobre crustáceos zooplanctónicos en lagos y lagunas de la zona central y sur de la Patagonia (44 - 53g S). A estos datos se les estimó la razón especies / género, y se aplicó un modelo nulo basado en co-ocurrencia de especies mediante una matriz de presencia y ausencia de especies, con la intención de determinar ausencia de factores reguladores de las asociaciones de especies. Dentro de este mismo...
Tipo: Journal Contribution Palavras-chave: Zooplankton; Assemblages; Lakes; Ponds; Crustaceans.
Ano: 2008 URL: http://hdl.handle.net/1834/4161
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Distribución de los cangrejos porcelánidos (Decapoda: Anomura) en la costa de Santiago de Cuba, con la adición de especies para Cuba OceanDocs
Diez García, Y. L.; Jover Capote, A..
Se presenta la lista de los cangrejos porcelánidos de la costa de Santiago de Cuba, la clave taxonómica para su identificació y los apuntes sobre su distribución batimétrica. Se adicionan cuatro especies a la lista de porcelánidos de las costas cubana (Neopisosoma angustifrons, Petrolisthes marginatus, P. politus, y P. quadratus).
Tipo: Journal Contribution Palavras-chave: Species; Crustaceans.
Ano: 2013 URL: http://hdl.handle.net/1834/4925
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Relations biométriques de quelques espèces de crustacés pêchées en Mauritanie. OceanDocs
Diop, M..
Note Scientifique
Tipo: Other Palavras-chave: Biometrics; Crustaceans; Lobster culture; Crab fisheries; Shrimp culture.
Ano: 1996 URL: http://hdl.handle.net/1834/240
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Modification paysagères et mecanisation des côtes sableuses de la région d'alicante (S-E de l'Espagne) OceanDocs
El Gtari, M.; Bouriga, N.; Medini-Bouaziz, L.; Hamaied, S.; Charfi-Cheikhrouha, F..
Dans le but de mettre en évidence l’impact des modifications paysagères et la mécanisation des plages sur la faune carcinologique semi-terrestre, une campagne de terrain a été effectuée en février 2004 au niveau de deux sites de la province d’Alicante (Sud-Est de l’Espagne). La plage de Santa Pola, partiellement épargnée de l’accès des machines de nettoyage et celle d’El Pinet où la mécanisation est très intense. Les résultats obtenus ont montré que, malgré une faible densité des arthropodes récoltés, la biodiversité de la plage de Santa Pola est plus élevée que celle de la plage d’EL Pinet caractérisée par la quasi absence des amphipodes semi-terrestres. Seule l’espèce Tylos europaeus est commune dans les 2 sites. Ce résultat s’expliquerait par l’impact...
Tipo: Journal Contribution Palavras-chave: Biodiversity; Sandy beaches; Crustaceans; Landscape; Amphipoda.
Ano: 2012 URL: http://hdl.handle.net/1834/5314
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Conocimiento de la fauna Cladocera (Crustacea: Branchiopoda) de la Ciénaga Grande de Santa Marta, Colombia OceanDocs
Fuentes Reines, Juan M.; Zoppi de Roa, Evelyn; Morón, Eliana; Gámez, Dáninso; López, Carlos.
Se analizaron 108 muestras recolectadas entre marzo y noviembre de 2009 provenientes de macrófitas y aguas abiertas de la costa oriental de la Ciénaga Grande de Santa Marta, adyacente a la desembocadura del río Sevilla, departamento del Magdalena. El mayor número de especies se registró en la zona de macrófitas. Este es el primer registro acerca de la existencia de cladóceros en esta región. Se encontró un total de 36 especies, de las cuales, ocho (Guernella raphaelis, Ilyocryptus plumosus, Moina eugeniae, Kurzia polyspina, K. media, Oxyruella longicaudis y O. tenuicaudis) son nuevos registros para Colombia. Además se hace una breve descripción de todas las especies y su distribución geográfica.
Tipo: Journal Contribution Palavras-chave: Crustaceans; Species diversity; New records.
Ano: 2012 URL: http://hdl.handle.net/1834/4435
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Recommended reporting standards for test accuracy studies of infectious diseases of finfish, amphibians, molluscs and crustaceans: the STRADAS-aquatic checklist ArchiMer
Gardner, Ian A.; Whittington, Richard J.; Caraguel, Charles G. B.; Hick, Paul; Moody, Nicholas J. G.; Corbeil, Serge; Garver, Kyle A.; Warg, Janet V.; Arzul, Isabelle; Purcell, Maureen K.; Crane, Mark St J.; Waltzek, Thomas B.; Olesen, Niels J.; Gallardo Lagno, Alicia.
Complete and transparent reporting of key elements of diagnostic accuracy studies for infectious diseases in cultured and wild aquatic animals benefits end-users of these tests, enabling the rational design of surveillance programs, the assessment of test results from clinical cases and comparisons of diagnostic test performance. Based on deficiencies in the Standards for Reporting of Diagnostic Accuracy (STARD) guidelines identified in a prior finfish study (Gardner et al. 2014), we adapted the Standards for Reporting of Animal Diagnostic Accuracy Studies—paratuberculosis (STRADAS-paraTB) checklist of 25 reporting items to increase their relevance to finfish, amphibians, molluscs, and crustaceans and provided examples and explanations for each item. The...
Tipo: Text Palavras-chave: Reporting standards; Sensitivity; Specificity; Finfish; Amphibians; Molluscs; Crustaceans; STRADAS-paraTB; Diagnostic validation.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00334/44505/44191.pdf
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A white spot disease-like syndrome in the Pacific blue shrimp (Litopenaeus stylirostris) as a form of bacterial shell disease ArchiMer
Goarant, Cyrille; Brizard, Raphael; Marteau, Anne-laure.
In May 1997, some white lesions evoking the white spot syndrome disease were observed in Litopenaeus stylirostris broodstock in New Caledonia. The occurrence of these lesions was neither associated with mortality, nor with histological evidence of white spot syndrome baculovirus (WSBV), The evidence suggests that these lesions result from a form of bacterial disease and are associated with an increased bacterial flora on the outer surface of the cuticle, as well as an increased incidence throughout the molt cycle. A microscopic observation of these lesions allows them to be differentiated from WSBV-associated lesions.
Tipo: Text Palavras-chave: New Caledonia; White spot syndrome; Aquaculture; Pathogenic bacteria; Shrimp culture; Crustaceans; Diseases; Litopenaeus stylirostris.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/2000/publication-373.pdf
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A Preliminary Investigation of the Effects of Human Physical Disturbance on the Ecology of the Soldier Crab Dotilla fenestrata (Crustacea, Ocypodidae) at Praia da Costa do Sol, Maputo OceanDocs
Gonçalves, P.M.B.; Pereira, M.A.M..
The effects of human trampling on the population parameters of the soldier crab Dotilla fenestrata at Praia da Costa do Sol, Maputo were studied in two areas subjected to two different levels of human disturbance: (1) a low disturbance area; and (2) a high disturbance area. Sampling was carried out 1 day before and 1 day after disturbance took place and crab abundance and biomass data were compared between the two periods at each area. No significant differences (P > 0.05) were found between abundance and biomass values before and after the disturbance. These results suggest that human trampling has an insignificant effect on D. fenestrata and that behavioral and habitat structure aspects might play more important roles on the population ecology of the...
Tipo: Conference Material Palavras-chave: Crustaceans.
Ano: 2000 URL: http://hdl.handle.net/1834/441
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Comportamiento de los virus de crustáceos de declaración obligatoria de la OIE en Litopeneaeus vannamei de cultivo en Cuba en el período 2003-2009 OceanDocs
Gonzalez, E.; Rubio, M.; Laria, R.; Silveira, R.; Artiles, A..
Uno de los principales problemas del cultivo del camarón blanco del Pacífico, Litopeneaeus vannamei, es la susceptibilidad de esta especie a diversas enfermedades virales, que pueden conducir a grandes mortalidades y/o pérdidas económicas. En este trabajo se reportan los resultados obtenidos en la ejecución de los muestreos periódicos y chequeos de cuarentenas correspondientes al programa de vigilancia, desde la primera introducción de esta especie en Cuba en 2003 hasta el 2009. Para ello se emplearon técnicas de análisis en fresco, histológicas y de biología molecular. En este período, no se detectó ninguno de los virus de crustáceos que son de declaración obligatoria por la Organización Mundial de la Salud Animal (OIE, de sus siglas en francés): el virus...
Tipo: Journal Contribution Palavras-chave: Viruses; Crustaceans.
Ano: 2011 URL: http://hdl.handle.net/1834/4141
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Crustacean fundamentals Naturalis
Grabowski, M..
Tipo: Book review Palavras-chave: Crustaceans; 42.74.
Ano: 2007 URL: http://www.repository.naturalis.nl/record/269648
Registros recuperados: 38
Primeira ... 12 ... Última
 

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