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Registros recuperados: 26
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Aide pour l'observation d'Ansates sur des laminaires ArchiMer
Huet, Jerome.
Photos of young and intermediate-age Ansates pellucida. Photos of old individuals. Photos of Polymorphism. Photos demonstrating the presence of some Ansates pellucida under the holdfast of Laminaria hyperborea and the presence of some Ansates pellucida on a stipe of Laminaria digitata.
Tipo: Text Palavras-chave: Polymorphisme; Laminaria hyperborea; Laminaria digitata; Ansates pellucida.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/rapport-6124.pdf
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Bilan des suivis annuels des pêcheries dites "traditionnelles" sur le secteur de l'Hermitage-La Saline de 1999 à 2018 ArchiMer
Roos, David; Rungassamy, Tevamie; Huet, Jerome.
A diagnosis of recreational fisheries is carried out each year on the reef flat area of the Hermitage / La Saline managed by the Natural Marine Reserve of Reunion. The evolution of beach seine, fishing-rod and stick fishing activities, in terms of fishing effort and catch was analyzed. The status of exploited stocks differs according to the fishing technique. In 2018, the annual trend of catch per unit of effort indices showed 1°) an increase in the abundances of goatfish fished with beach seine, 2°) a relative stability with the fishing-rod practice and 3°) a constant decrease in octopus yields for stick fishermen. The honeycomb groupers size structure, targeted by fishing-rod fishermen, has improved. Octopus showed a decrease of larger specimens. Thus,...
Tipo: Text Palavras-chave: Pêcherie récréative; Senne de plage; Capucins nains; Mulloidichthys flavolineatus; Pêche à la gaulette; Epinephelus merra; Poulpe; Octopus cyanea; Aire Marine Protégée (AMP); Réserve Marine; La Réunion; Recreational fisheries; Beach seine; Yellowstripe goatfish; Mulloidichthys flavolineatus; Fishing-rod; Epinephelus merra; Octopus; Octopus cyanea; MPA; Marine Reserve; Reunion island.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00466/57749/60016.pdf
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Bilan synthétique des paramètres biologiques et halieutiques collectés sur les espèces récifales pêchées illégalement au sein de la Réserve Naturelle Marine de La Réunion ArchiMer
Roos, David; Rungassamy, Tévamie; Evano, Hugues; Varenne, Fanchon; Fry, Ludivine; Chapat, Melodie; Gallion, Nicolas; Huet, Jerome.
This study summarizes the results of the processing and analysis of data from illegal fisheries, apprehended by the eco-guards of the Marine Natural Reserve of Reunion from 2015 to 2017 (including the first dataset from 2018). These information are valued in terms of fisheries and bioecological knowledge for reef fish species. Thus, both diversity and abundance indices, size structures, growth parameters, stock characterization, can be apprehended from the biological parameters collected on all the species caught because they often do not exist : the sizes, weights, sexes, maturities, scales, otoliths, stomach contents as well as genetic and isotopic samples. These indices would contribute to a better diagnosis of the status and the sensitivity of stocks...
Tipo: Text Palavras-chave: Paramètres biologiques; Mesure biométrique; Maturité; Braconnage; Aire marine protégée; AMP; Réserve Naturelle Marine de La Réunion; Biological parameters; Biometric measurement; Maturity; Poaching; Marine protected area; MPA; La Reunion Marine Natural Reserve.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00469/58084/60487.pdf
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Comparison between the opercular bones, the scales and the otoliths to investigate the growth of the brilliant pomfret (Eumegistus illustris) off the coast of Reunion Island (SW Indian Ocean) ArchiMer
Mahe, Kelig; Rabhi, Khalef; Bellamy, Elise; Elleboode, Romain; Aumond, Yoann; Huet, Jerome; Roos, David.
The brilliant pomfret (Eumegistus illustris) occurs in the western part of the Indian Ocean and the western and central Pacific Ocean. To date, the biology of E. illustris has never been documented. The aim of the present study was to investigate age and growth of E. illustris along the coasts of Reunion Island, based on calcified structures analysis. One hundred thirty five individuals were sampled in the landings of the French local artisanal fisheries from March 2014 to March 2015. The relationships between two types of body length (Total and Standard lengths, cm) and Total weight (g) were significant (P<0.05). Total length-weight relationship was described by the following parameters: a=0.012 and b=3.015 without significant effect of sexual...
Tipo: Text Palavras-chave: Eumegistus illustris; Growth; Scale; Otolith; Opercular bone; Indian Ocean; Reunion island.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00307/41861/41113.pdf
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Etude de la croissance des espèces profondes de l’île de la Réunion ArchiMer
Rabhi, Khalef; Bellamy, Elise; Elleboode, Romain; Roos, David; Aumond, Yoann; Huet, Jerome; Mahe, Kelig.
Ces dernières années, la petite pêche réunionnaise qui ciblait traditionnellement les espèces récifales et démersales peu profondes, a évolué progressivement vers l’exploitation des stocks de poissons plus profonds (au-delà de 200 m). Ces nouvelles espèces économiquement importantes font l’objet d’une forte exploitation mais sont cependant fragiles d’un point de vue biologique (croissance lente, maturité sexuelle tardive, recrutement aléatoire, écosystème sensible, habitats restreint à La Réunion). Ainsi, il y a une nécessité de mettre en place des mesures de gestion rationnelles et durables de ces ressources. Pour répondre à cela, le projet de recherche DMX (Indicateurs biologiques et écologiques pour une gestion durable des stocks de poissons DéMersauX...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00256/36687/35293.pdf
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Etude de la pêcherie de palourdes du Golfe du Morbihan. ArchiMer
Berthou, Patrick; Huet, Jerome; Noel, Philippe; Jezequel, Michele; Fifas, Spyros.
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Ano: 1997 URL: http://archimer.ifremer.fr/doc/00272/38340/36577.pdf
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Evaluation du stock de palourdes roses Paphia rhomboïdes en baie de St Brieuc ArchiMer
Huet, Jerome; Pitel, Mathilde.
A drop in the performance of banded carpet shell Paphia rhomboïdes fishing in the Saint Brieuc Bay has been witnessed by the Saint-Brieuc Bay banded carpet shell professional fishermen since 2002. The Ifremer has been asked to assess the state of the banded carpet shell deposit in this fishing area. This mission report presents the results of the banded carpet shell stock evaluation campaign carried out in collaboration with professional fishermen in May 2006 on board the "Narval Bretagne". The results of the direct local small bivalve evaluations of the "Bivalve 2002" campaign conducted in May 2002 on board the research vessel Thalia in the same area are provided as a benchmark.
Tipo: Text
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/rapport-6430.pdf
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Evaluation du stock de praires en rade de Brest ArchiMer
Pitel, Mathilde; Martin, Stephane; Fifas, Spyros; Huet, Jerome; Berthou, Patrick.
Pendant les années 50, la praire a joué un rôle secondaire dans le contexte maritime local. Au cours des années 50, cette espèce était ciblée par une flottille différente de la coquille Saint-Jacques de la rade de Brest, à capacité de capture modeste (flottille du Relecq Kerhuon) permettant la réalisation des captures annuelles moyennes de l'ordre de 150 tonnes. La décennie 60, après l'effondrement du stock coquillier a vu la praire occuper une place de ressource de substitution pour atteindre des productions dépassant les 400 tonnes. Les premières étapes de l'évolution de cette pêcherie sont détaillées par Le Gall (1969) et Piboubès (1973). Petit à petit, la flottille s'est transformée (à partir des années 70, entrée progressive des goémoniers dans la...
Tipo: Text Palavras-chave: Jeancani; Venus verrucosa; Clams; Bay of Brest; Brittany; Jeancani; Venus verrucosa; Ressource de substitution; Praires; Rade de Brest; Bretagne.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/rapport-4602.pdf
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Evaluation du stock de praires en rade de Brest - 2001 ArchiMer
Pitel, Mathilde; Fifas, Spyros; Huet, Jerome; Berthou, Patrick.
During the 1950s, the clam played only a bit part in the local maritime context. It was the focus of a different fleet than the king scallop fleet, with a lesser fishing capacity (fleet from the Relecq Kerhuon) and an average annual catch of around 150 tonnes. In the 1960s, with a drop in the king scallop stock, the clam became a substitution resource with productions of over 400 tonnes. The first stages of this evolution are detailed by Le Gall (1969) and Piboubès (1973). Slowly, the fleet developed (from the 70s on, with the progressive arrival of seaweed boats in the fishery) The drop of the production until the disruption of the fishery in the 1980s is the combined consequence of the increase of the fishing capacities with an unfavourable populating...
Tipo: Text Palavras-chave: Venus verrucosa; Stock assessment; Clams; Bay of Brest; Brittany; Venus verrucosa; Évaluation de stock; Praires; Rade de Brest; Bretagne.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/rapport-4607.pdf
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Growth of the oblique-banded grouper (Epinephelus radiatus) on the coasts of Reunion Island (SW Indian Ocean) ArchiMer
Mahe, Kelig; Rabhi, Khalef; Bellamy, Elise; Elleboode, Romain; Aumond, Yoann; Huet, Jerome; Cresson, Pierre; Roos, David.
The oblique-banded grouper, Epinephelus radiatus (Day, 1968), occurred within the whole Indo- West Pacific where it is harvested by small-scale coastal fisheries. The aim of this study was to estimate the growth of this species at Reunion Island (South-West Indian Ocean) since no study investigated this topic so far. Fifty-seven individuals were sampled in the landings of the French local artisanal fisheries from March 2014 to March 2015. The relationships between two types of body length (total and standard lengths, cm) and total weight (g) were significant (p < 0.05). Total length-weight relationship was described by the following parameters: a = 0.01 and b = 3.098. For each individual, morphometry of the whole otolith was described with several...
Tipo: Text Palavras-chave: Epinephelidae; Epinephelus radiatus; Otolith; Indian Ocean; Ageing; Otolith weight.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00313/42385/41723.pdf
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La pêche du buccin sur la côte Ouest-Cotentin - Éléments de biologie ArchiMer
Veron, Gerard; Huet, Jerome.
Le buccin (Buccinum undatum) est un mollusque gastéropode largement répandu sur nos côtes. Il est connu, selon les régions, sous diverses appellations : bulot, ran, calicoco, coucou. Il est présent sur des fonds de nature très variée mais on le trouve le plus fréquemment sur des substrats meubles souvent riches en débris coquilliers. On ne le rencontre qu'épisodiquement dans la zone de balancement des marées et rarement par des fonds supérieurs à soixante mètres.
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Ano: 1980 URL: http://archimer.ifremer.fr/doc/00046/15716/13118.pdf
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Les activités de production - conchyliculture ArchiMer
Deschamps, Gerard; Miossec, Dominique; Pannier, Thierry; Huet, Jerome; Lorance, Pascal.
These studies of halieutic ecology produced at the request of Electricité de France by the French Institute of Research for Exploitation of the Sea in the Normand Breton Gulf must constitute one of the elements making it possible to come to a conclusion or not on the feasibility of the tidal power plant construction project; these studies have three parts: The first part discusses halieutic zooplankton. In the first place, the main species that constitute the exploitable living resources are considered, observed from the first stages of their life, in the egg or at different larval stages preceding the juvenile state. Also of interest are certain holoplanktonic groups. The whole of these observations establishes the status of zooplanktonic populations...
Tipo: Text Palavras-chave: Whelk; Mussels; Oysters; Shellfish farming; Professional fishing; Holoplankton; Zooplankton; France; Conchyliculture; Buccin; Pêche professionnelle; Usine marémotrice; Zooplancton; Holoplancton; Ecologie Halieutique.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/rapport-2333.pdf
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Les pêcheries françaises du chalutage à bar : analyse de séries temporelles 1999-2007 ArchiMer
Morizur, Yvon; Meunier, M; Huet, Jerome; Martin, S.
A displacement of the fishing effort of the French pelagic trawlers from anchovy to the seabass fisheries is observed. A such situation on a non-quota managed species requires to analyse carefully the evolution in the status of seabass stocks. The evolution of fishing effort, the production and the landings per unit of effort were studied from 2000 to 2007 for the bottom trawling and for the pair pelagic trawling in the ICES sub-areas VIII and VII. The fishing effort was assessed by using a threshold on the landings by month in order to select the most effective fishing effort as representing 75 % of the effort concerned with seabass landings. Length compositions and age-length keys were used to calculate the cpue-at-age series. A total mortality value was...
Tipo: Text Palavras-chave: Fishing mortality; Recruitment; Abundance index; Fishing effort; Trawling; Seabass; Dicentrarchus labrax; Mortalité par pêche; Recrutement; Indice d'abondance; Effort de pêche; Chalutage; Bar commun; Dicentrarchus labrax.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/rapport-7303.pdf
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PECHTRAD 2015 & 2016. Analyses des données de pêches traditionnelles à pied et caractérisation des peuplements ichtyologiques grâce à un outil de vidéo rotative (STAVIRO), sur le platier récifal interne et sur la pente externe de l’Ermitage, Réserve Naturelle Marine de La Réunion. Rapport de synthèse des travaux confiés par le GIP RNMR à l’Ifremer Délégation Océan Indien pour les années 2015 & 2016 ArchiMer
Roos, David; Gaboriau, Matthias; Huet, Jerome; Masse, Lola; Pelletier, Dominique.
An analysis of the results on the annual trend of the fishing activities in the beach seine, the fishing pole and the stick techniques, in terms of both fishing efforts and catches on the three reference sectors of the Marine Nature Reserve of Reunion island, was realized according to an indicator trend approach. On the Ermitage/La Saline area, the 2016 results highlight a significant increase of the fishing effort for the three practices. If the indices of catches by effort unit showed increases in 2016 for the beach seine and the fishing pole, a decrease of yields is observed for the stick technic. The analysis of the size structures of macabits species (honeycomb groupers), targeted by the pole fishermen, and in weight of zourites (octopus) by the stick...
Tipo: Text Palavras-chave: Pêcherie récréative; Senne de plage; Capucins nains; Mulloidichthys flavolineatus; Pêche à la gaulette; Pêche au poulpe; Vidéo rotative; Aire Marine Protégée (AMP); Réserve Naturelle Marine de La Réunion; Recreational fisheries; Beach seine; Fishing role; Octopus stick fishing; Yellowstripe goatfish; Mulloidichthys flavolineatus; Rotating video; MPA; Marine Nature Reserve of Reunion island.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00410/52122/52830.pdf
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Projet ANCRE-DMX2 : Indicateurs biologiques et écologiques pour une gestion durable des stocks de poissons DéMersauX profonds (100–700 m) d’intérêt halieutique à La Réunion ArchiMer
Roos, David; Aumond, Yoann; Huet, Jerome; Bruchon, Franck.
L'usage de la ligne à main mécanisée (moulinet électrique) s'est développé à La Réunion au cours des années 2000. Ce métier s’est développé à la suite d’une campagne de prospection des ressources halieutiques profondes (200-700m), menée conjointement par le CRPMEM et l’Ifremer en 2000. L’objectif de cette campagne par pêche au moulinet électrique visait à identifier de nouvelles ressources démersales à des fins de diversification pour la petite pêche artisanale côtière professionnelle réunionnaise. Ainsi, les premiers résultats de cette étude avaient mis en évidence l'existence de nouvelles espèces et des stocks encore peu exploités à l’époque. Leur exploitation par la pêche professionnelle mais aussi par la pêche plaisancière s’est dès lors développée...
Tipo: Text Palavras-chave: Poissons démersaux; Pêche profonde; La Réunion; Pêche artisanale côtière; Indicateurs biologiques et écologiques; Stock halieutique; Lutjanidae; Bramidae; Epinephelidae; Squalidae; Ligne à main mécanisée; Isotopes stables; Contenus stomacaux; Génétique; Sclérochronologie; Demersal fish; Deepwater fishery; Reunion island; Artisanal fishery; Bio-ecological indices; Fish stock; Lutjanidae; Bramidae; Epinephelidae; Squalidae; Electric reel fishing gear; Isotopic analyses; Stomach contents; Genetic; Sclerochronology.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00347/45812/45553.pdf
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Projet DMX2 - Volet Croissance ArchiMer
Rabhi, Khalef; Bellamy, Elise; Elleboode, Romain; Aumond, Yoann; Huet, Jerome; Roos, David; Mahe, Kelig.
Cette étude correspond au volet « croissance » du projet ANCRE-DMX2. Six espèces ciblées parmi les principales espèces démersales débarquées par la petite pêche réunionnaise ont été étudiées afin d’établir leur modèle de croissance, dont certaines pour la première fois. Ce travail présente les résultats de la croissance, acquis à partir de pièces calcifiées (otolithe, écaille, opercule). Des tests préalables des différentes techniques (observation in toto, otolithe brûlé, otolithe cassé-brûlé, coupe fine) sur les principales pièces calcifiées (otolithes, écailles et opercules) ont été menés, afin d’appliquer la méthode de traitement la mieux adaptée à chaque espèce. Les paramètres morphométriques de l’otolithe ont été mesurés (Poids : Ow, Longueur : OLong,...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00347/45866/45554.pdf
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Projet EPICURE : Étude des Peuplements Ichtyologiques et des CommUnautés RécifalEs à partir d’indicateurs spatiaux et de l’approche fonctionnelle, des bancs du Geyser, de la Zélée et de l’Iris. Programme du Xème FED régional « Gestion durable du patrimoine naturel de Mayotte et des îles Eparses ArchiMer
Roos, David; Dupont, Priscilla; Gaboriau, Matthias; Bigot, Lionel; Durville, Patrick; Mulochau, Thierry; Pinault, Mathieu; Wickel, Julien; Urbina-barreto, Isabel; Mouquet, Pascal; Maurel, Laurence; Cantou, Michel; Fallourd, Sophie; Guilbert, Antonin; Hoarau, Jean-marc; Aumond, Yoann; Huet, Jerome; Evano, Hugues; Sabathe, Yoann; Giannasi, Paul; Adami, Paul; Mercky, Yann; Jac, Cyrielle; Sucre, Elliott; Pelletier, Dominique; Claverie, Thomas.
For the first time ever at such a spatial scale, the EPICURE project is using the complementary exosystemic, functional and fisheries approaches to analyze and compare the partially exploited fish‐populating structure of the Geyser, Zélée, and Iris banks. This project focuses on three main points, which are 1) a habitat map of the three banks and an assessment of the live coral coverage as a proxy of the Geyser bank’s health, 2) a description of fish assemblages and a functional analysis relative to habitat type and time and 3) an estimate of the abundance index in structure size of the main exploited stocks. Overall, 42 habitats over 268 km² were mapped on the Geyser bank with 534 field verifications. On the Zélée bank, 24 habitats were mapped over 183...
Tipo: Text Palavras-chave: Peuplements ichtyologiques; Communautés récifales; Indicateurs populationnels; Approche fonctionnelle; Stocks halieutiques; Cartographie; Habitats; Bancs récifaux; Geyser; Iris; Zélée; Canal du Mozambique; Fish populating; Reef community; Population index; Functional approach; Fisheries stocks; Habitat map; Reef bank; Geyser; Zélée; Iris; Mozambican channel.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00434/54549/55924.pdf
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Relationship between somatic growth and otolith growth: a case study of the ornate jobfish Pristipomoides argyrogrammicus from the coast of Réunion (SW Indian Ocean) ArchiMer
Mahe, Kelig; Aumond, Yoann; Rabhi, Khalef; Elleboode, Romain; Bellamy, Elise; Huet, Jerome; Gault, M.; Roos, David.
The ornate jobfish Pristipomoides argyrogrammicus Valenciennes 1832 occurs in the Indo-West Pacific Ocean, where it is harvested by small-scale coastal fisheries. Management of this species is hindered by lack of adequate biological data. We sampled a total of 113 individuals from the landings of local artisanal fishers on the island of Réunion (southwestern Indian Ocean), from March 2014 to March 2015. The relationships between two types of body length (total and standard length, cm) and total weight (g) were shown to be significant (p < 0.05). The length–weight relationship was described by a power function, with the scaling factor estimated to be 0.008 and the exponent 3.146. Age was determined using whole otoliths. The von Bertalanffy growth...
Tipo: Text Palavras-chave: Age estimate; General linear model; Lutjanidae; Modelled age; Morphometric parameters; Otolith morphometry; Reading precision.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00399/51017/51863.pdf
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Report of the Seabass (Dicentrarchus labrax) Otolith and Scale Exchange Scheme 2011 ArchiMer
Mahe, Kelig; Holmes, Alison; Huet, Jerome; Sevin, Karine; Elleboode, Romain.
For seabass (Dicentrarchus labrax), Otolith and Scale Exchange Scheme 2011 was the first exchange. A total of 155 fish from Eastern English Channel (ICES area : VIId) was sampled on-board French research vessels (Gwen-Drez and Thalassa) during 2 international surveys (Channel Ground Fish Survey and International Bottom Trawl Survey). The length range of the fish was between 17 and 74 cm, with a mean length at 46.99 cm. For each fish, the Sagittae otoliths and few scales were used to compare the age estimation between both calcified pieces. 4 readers were participated from UK England (1 reader) and France (3 readers). Only images were used during this exchange. There were noted by the readers that it was very difficult to obtain an image of the scale with...
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Ano: 2012 URL: http://archimer.ifremer.fr/doc/00063/17433/14940.pdf
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Stades pigmentaires de la civelle Anguilla anguilla (L.) dans les estuaires de la Loire et de la Vilaine ArchiMer
Grellier, Patrick; Huet, Jerome; Desaunay, Yves.
Ce catalogue illustre et complète le travail de référence de ELIE et al. (1982). Il vise à venir en aide aux biologistes amenés à comparer leurs descriptions qualitatives et quantitatives des échantillons de civelles.
Tipo: Text Palavras-chave: Pigmentation; Stades Larvaires; Civelle.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/00085/19614/17254.pdf
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