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| Registros recuperados: 27 | |
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| Roos, David; Gaboriau, Matthias; Giannasi, Paul; Maurel, Laurence; Pelletier, Dominique. |
| Les diagnostics des peuplements de poisson d’intérêt halieutique et des principaux stocks mettent en évidence des états contrastés à Mayotte en 2017. A l’échelle des peuplements, toutes espèces confondues, aucun signe patent d’un état non satisfaisant lié à la pression de pêche exercée n’a été observé. Cette situation s’explique en grande partie par les familles les plus diversifiées et les plus abondantes, souvent herbivores, tels que les poissons chirurgiens et les perroquets, dont l’état est jugé satisfaisant. En revanche, l’état des quatre principales familles de grands carnivores (les mérous, les vivaneaux, les capitaines et les carangues) est qualifié de non satisfaisant. La raréfaction des grandes espèces, voire la perte de diversité dans les... |
| Tipo: Text |
Palavras-chave: État initial; Évaluation; Peuplement ichtyologique; Stock; Vidéo; STAVIRO; Abondance; Richesse spécifique; Ressources halieutiques; Poisson; Habitat corallien; Lagon; Récif; Mayotte. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00485/59659/71413.pdf |
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| Leonard, Noemie. |
| Recirculation of the water of fish rearing systems requires a biological treatment based on the nitrifying activity of autotrophic bacteria. In parallel heterotrophic bacterial populations utilise the organic substrate, produced by the fish, to grow. Opposite to the autotrophic populations, the heterotrophic bacteria (1) have a quick growth and (2) might contain fish pathogenic strains. The main aim was to characterise the heterotrophic bacteria populations ?.nd to understand (1) which parameters do control the dynamics of their populations and (2) their influence on the quality of the recirculating water. In a rearing system, the heterotrophic bacterial populations are stable in number and in genus, for a given operating mode. The bacteria are either... |
| Tipo: Text |
Palavras-chave: Carbon; Gills; Bacterium; Humics substances; Fish; Ozone; Aquiculture; Carbone; Branchies; Bacterie; Substances humiques; Poisson; Ozone; Aquaculture. |
| Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/2000/these-1728.pdf |
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| Mahe, Kelig; Bellail, Robert; Dufour, Jean-louis; Boiron-leroy, Anne; Dimeet, Joel; Duhamel, Erwan; Elleboode, Romain; Felix, Jerome; Grellier, Patrick; Huet, Jerome; Labastie, Jacques; Le Roy, Didier; Lizaud, Oceann; Manten, Marie-line; Martin, Stephane; Metral, Luisa; Nedelec, Daniel; Verin, Yves; Badts, Vincent. |
| This document presents all the techniques used in routine by Ifremer to estimate the age of fish from the calcified piece. The procedure for estimating age describes each technical stage from the taking of the calcified piece through to the supplying of key sizes/ages to the European work groups. This procedure is specific to each species and even each population of fish. |
| Tipo: Text |
Palavras-chave: Poisson; TNPC; Préparation; Procédure; Age; Ecaille; Illicium; Otolithe; Sclérochronologie; Fish; TNPC; Preparation; Procedure; Age; Scale; Illicium; Otolith; Sclerochronology. |
| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/00000/7294/rapport-7294.pdf |
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| Cailliet, Gm; Andrews, Ah; Wakefield, Ww; Moreno, G; Rhodes, Kl. |
| Beam trawl, camera sled and submersible data from 2 000-3 300 m off central California produced similar fish faunal composition, but different density estimates. All species caught in trawls were observed in camera-sled and submersible observations. However, some rare species that were observed were not caught in trawls. The fish fauna was dominated by the families Macrouridae, Zoarcidae, Moridae, and Rajidae. Fishes both trawled and observed were the macrourids Coryphaenoides armatus, C. filifer and C. leptolepis; the zoarcids Bothrocara spp., Pachycara lepinium and Lycenchelys spp.; the morid Antimora microlepis; the rajid Bathyraja trachura, the ophidiid Spectrunculus grandis, and the liparidid Careproctus ovigerum. One unidentified liparidid... |
| Tipo: Text |
Palavras-chave: Benthos; Poisson; Habitat; Chalutage; Submersible; Deep-sea; Fishes; Habitat; Sampling; Submersibles. |
| Ano: 1999 |
URL: http://archimer.ifremer.fr/doc/00325/43583/44022.pdf |
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| Suquet, Marc; Chereguini, Olvido; Omnes, Marie-helene; Rasines, Inmaculada; Normant, Yvon; Souto, Isabel; Quemener, Loic. |
| The effect of different parameters on shea-term storage capacity of turbot ova was assessed over a 45-h period after ova collection for fertilization rates and over a 9-h period after ova collection for hatching rates. Increasing the volume of ova sampling from 0.5 to 2.5 mt, as well as adding an antibiotic-antimicotic solution or oxygen did not significantly change the storage capacity of ova. Regarding the hatching rates, a higher storage ability was recorded at 8 and 13 degrees C, compared to 3 degrees C. The mean composition of the ovarian fluid was determined (n = 57 spawns). Use of a diluent mimicking the ovarian fluid significantly decreased the storage ability as assessed by the fertilization rates but did not modify the hatching rates. Diluting... |
| Tipo: Text |
Palavras-chave: Psetta maxima; Turbot; Calcium; Ovarian fluid; Short term storage; Ova; Fish; Psetta maxima; Turbot; Calcium; Liquide ovarien; Conservation à court terme; Ovules; Poisson. |
| Ano: 1999 |
URL: http://archimer.ifremer.fr/doc/1999/publication-857.pdf |
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| Vaillant, Léon. |
| La connaissance des Poissons de la Région antarctique est de date relativement récente, ces contrées, d'un accès difficile, où la navigation est particulièrement pénible et périlleuse, n'ayant été explorées avec quelques succès qu'au commencement du XIXè siècle. Il est toutefois important de définir d'abord, autant que le permettent nos connaissances, ce que l'on doit regarder comme Région polaire australe ou Région antarctique. [OCR NON CONTRÔLE] |
| Tipo: Text |
Palavras-chave: Poisson; Antarctique; Expédition; Campagne; Histoire. |
| Ano: 1908 |
URL: http://archimer.ifremer.fr/doc/1908/publication-6964.pdf |
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| Merceron, Michel; Gaffet, Jean-dominique. |
| Current recordings were performed near the middle of the great breakwater of Cherbourg ("Grande Digue", inner side) during two months of the 1993 summer. The data show that, in this site, the currents drive mostly westwards. They are driving eastwards only during the first half of flood. In the tidal cycle, there is only one current slack, at law tide. The most important velocities are observed during the high tides : 0.5 to 0.6 m.s-1• The fish net pens, which are located there, tend to speed up the undemeath currents and, thus, contribute to scatter the farm effluents. The temperature and salinity records are also displayed. _ |
| Tipo: Text |
Palavras-chave: Courant; Cage; Élevage; Poisson; Cherbourg; Current; Net pen; Farm; Fish; Cherbourg. |
| Ano: 1994 |
URL: http://archimer.ifremer.fr/doc/00082/19330/16924.pdf |
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| Quillerou, Emmanuelle; Roudaut, Nolwenn; Guyader, Olivier. |
| Fishing capacity management policies have been traditionally implemented at national level with national targets for capacity reduction. More recently, capacity management policies have increasingly targeted specific fisheries. French fisheries spatially vary along the French coastline and are associated to specific regions. Capacity management policies however ignore the capital mobility associated with second-hand vessel trade between regions. This is not an issue for national policies but could limit the effectiveness of regional capacity management policies. A gravity model and a random-effect Poisson regression model are used to analyse the determinants and spatial extent of the second-hand market in France. This study is based on panel data from the... |
| Tipo: Text |
Palavras-chave: Gravity model; Fishing vessels; Second-hand markets; Poisson; French Atlantic. |
| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00102/21288/19569.pdf |
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| CHemmam, B.. |
| Le présent travail sur les Dentés des côtes tunisiennes comporte trois parties principales. La première partie a été consacrée à la présentation des milieux prospectés et des trois espèces de Dentés étudiées. En effet, l’analyse des différents milieux prospectés montre deux facteurs principaux caractérisant les côtes de la Tunisie: la variabilité des fonds rocheux et sableux et les courants qui entraînent le mélange de l’eau de l’Atlantique et de la Méditerranée caractérisant les côtes tunisiennes. Ceci pourrait expliquer la richesse en faune benthique de cette région méditerranéenne. De plus ces fonds variables constituent l’habitat préféré pour les Sparidés. En effet, parmi les 22 espèces méditerranéennes 19 espèces sont mentionnées sur les côtes... |
| Tipo: Theses and Dissertations |
Palavras-chave: Dentex dentex; Dentex gibbosus; Dentex maroccanus; Poisson; Sparidae; Eco-Biologie; Dynamique population; Systematique. |
| Ano: 2002 |
URL: http://hdl.handle.net/1834/4612 |
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| Registros recuperados: 27 | |
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