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Registros recuperados: 56
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Etude de l'influence de la température, liée à la pollution thermique, sur la survie et la biologie de quelques mollusques des substrats meubles ArchiMer
Bodoy, Alain.
Tipo: Text
Ano: 1976 URL: http://archimer.ifremer.fr/doc/00036/14760/12066.pdf
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Etude sur la résistance à la température de quelques mollusques marins des côtes de provence ArchiMer
Bodoy, Alain; Massé, Henri.
Tipo: Text
Ano: 1977 URL: http://archimer.ifremer.fr/doc/00040/15125/12462.pdf
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Comparison of events in the seasonal cycle for Donax vittatus and D. trunculus in european waters ArchiMer
Ansell, A. D.; Bodoy, Alain.
Tipo: Text
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00036/14765/12074.pdf
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Quelques paramètres permettant de suivre la production organique d'un mollusque bivalve au cours d'un cycle saisonnier ArchiMer
Bodoy, Alain; Masse, H..
Some parameters measuring the production of organic matter, in field conditions, by a population of the bivalve mollusc Donax trunculus have been stu­died. Those studies which are easily done when the population is composed of long lived species become difficult in Mediterranean Sea where the populations are instable and composed of short-lived species. A large qualitative sample has been made every month on which the inter­pretation of cohort succession has been done using the graphical method of CASSIE (1954) which is an useful mean to determine the modal class-size. The monthly values of the weight/size relationship, during a year, show important fluctuations indicating that size increment, tissue weight increment, gamet production and release are often...
Tipo: Text Palavras-chave: Production; Mollusques bivalves; Production; Molluscs bivalve.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41696/40907.pdf
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Croissance comparée de la palourde européenne (Ruditapes decussatus) et de la palourde japonaise (Ruditapes philippinarum) dans un écosystème artificiel méditerranéen ArchiMer
Bodoy, Alain; Maitre-allain, Thierry; Riva, Alain.
Tipo: Text
Ano: 1980 URL: http://archimer.ifremer.fr/doc/00040/15127/12464.pdf
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Incidence de la répartition géographique, à l'échelle européenne, sur la tolérance thermique de mollusques marins ArchiMer
Ansell, A. D.; Bodoy, Alain; Masse, Henri.
Tipo: Text
Ano: 1980 URL: http://archimer.ifremer.fr/doc/00036/14764/12073.pdf
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Evaluation simultanée des biomasses et productions primaires phytoplanctoniques et microphytobenthiques ArchiMer
Bodoy, Alain; Plante-cuny, Marie-reine.
Tipo: Text
Ano: 1980 URL: http://archimer.ifremer.fr/doc/00036/14763/12072.pdf
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Evaluation simultanée des biomasses et des productions primaires phytoplanctonique et microphytobenthique en milieu côtier ArchiMer
Bodoy, Alain; Plante-cuny, Marie-reine.
On étudie un fond sablo-vaseux de mode calme à Ruditapes decussatus et un fond sableux de mode battu à Donax trunculus. Dans le premier cas, la biomasse chlorophyllienne totale est 10 fois plus élevée que dans le second, et la production primaire double; le rôle du microphytobenthos y est prépondérant (en biomasse, 97%; en production primaire 50%); en mode battu, le phytoplancton représente la quasi-totalité de l'échelon primaire.
Tipo: Text
Ano: 1980 URL: http://archimer.ifremer.fr/doc/00036/14715/12021.pdf
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Croissance saisonnière du bivalve Donax trunculus (L.) en Méditerranée nord occidentale (France) ArchiMer
Bodoy, Alain.
Tipo: Text
Ano: 1982 URL: http://archimer.ifremer.fr/doc/00036/14687/11992.pdf
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Inventaire préliminaire des formations de posidonies dans le golfe d'Aigues-Mortes (Méditerranée nord-occidentale) ArchiMer
Bodoy, Alain; Nicolas, Frédéric; Vaulot, Dominique.
Tipo: Text
Ano: 1982 URL: http://archimer.ifremer.fr/doc/00040/15114/12450.pdf
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Soft Bottom Macrofauna ArchiMer
Beltagy, Samir; Bodoy, Alain.
Tipo: Text
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00040/15123/12459.pdf
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Inventaire des restructurations des rivages et de leur impact sur la vie sous-marine du département des Bouches-du-Rhône ArchiMer
Meinesz, Alexandre; Astier, Jean-marie; Bodoy, Alain; Lefèvre, Jean-robert.
Tipo: Text
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00036/14717/12023.pdf
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Assessment of human impact on giant clams, Tridacna maxima, near Jeddah, Saudi Arabia ArchiMer
Bodoy, Alain.
Tipo: Text
Ano: 1984 URL: http://archimer.ifremer.fr/doc/00036/14766/12075.pdf
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Trophic relationships between benthic or planktonic microphytes and infaunal bivalve molluscs ArchiMer
Plantecuny, M; Bodoy, Alain.
In order to estimate energetic relationship, microphytic and benthic bivalve levels of a shallow (1.5 m), sandy ecosystem near Marseille (Gulf of Fos, Southern France) were sampled monthly during 1.5 year, in two sites differing by their wave exposure. In the sheltered area, the bivalve Ruditapes decussatus was the dominant species, while another bivalve, Donax trunculus , was found in the open, wave exposed site. Chlorophyll a and primary production of the phytoplankton and the microphytobenthos, as well as population dynamic, growth and biochemical composition of bivalves (lipids, proteins and carbohydrates) were monitored.
Tipo: Text Palavras-chave: Ruditapes decussatus; Bivalvia; Periphyton; Phytoplankton; Biochemical composition; Growth; Marine molluscs; Hydrodynamics; Seasonal variations; Primary production; Trophic relationships.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1528.pdf
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Assessments of natural mortality of cultivated oysters (Crassostrea gigas) in the bay of Marennes-Oleron (France) ArchiMer
Bodoy, Alain.
The natural mortality of oysters could by considered, in a man controlled ecosystem, as the result of the action of biological factors, and human factors other then the harvest of the population. Such mortalities need to be estimated in order to be used in population dynamics, as a tool for management purposes. ln Marennes-Oleron bay, different ways of estimating the natural mortality are available. Several oyster farms were monitored for assessing growth, mortality and production in rearing conditions. Furthermore, an experimental framework which includes 15 stations gave an appraisal of the same factors under controlled conditions. Finally, another estimate will be soon available by comparin9 the number of recruited oysters, and the number of oyster...
Tipo: Text Palavras-chave: Marennes Oleron; Mortality; Crassostrea gigas; Oysters.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/acte-2962.pdf
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Comparaison de la respiration chez Ruditapes decussatus (L.) et R. philippinarum (Adams & Reeve) en fonction de la température ArchiMer
Bodoy, Alain; Riva, Alain; Maitre-allain, Thierry.
Measurements of oxygen consumption in the two species Ruditapes decussatus and Ruditapes phi/ippinarum were perfonned using hatchery-reared juveniles, grown under controlled conditions. The temperature range varied from 10 to 30°C. The linear relations between the logarithms of the dry weight and of the oxygen consumption were calculated for each species. Rates were compared in terms of standardized clam tissue weight calculated from the regression of respiration on tissue weight. Such a technique allows to make comparisons between the species by avoiding any interference from the variations in individual weight. Within this range of temperature, oxygen consumption of R. philippinarum and of R. decussatus exhibit the same variations, with a maximum at...
Tipo: Text Palavras-chave: Temperature; Oxygen consumption; Ruditapes philippinarum; Ruditapes decussatus; Température; Consommation oxygène; Ruditapes philippinarum; Ruditapes decussatus.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/publication-2963.pdf
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A methology for the stocks assessments of cultivated oysters among along the French Atlantic coasts ArchiMer
Bacher, Cedric; Baud, Jean-pierre; Bodoy, Alain; Deslous-paoli, Jean-marc; Dreno, Jean-paul; Heral, Maurice; Maurer, Daniele; Prou, Jean.
An assessment of the reared stocks of the Pacific oyster (Crassostrea gigas ) has been recently conducted on the major French areas of molluscs culture. The methodology proposed included both estimates of densities obtained by subsampling in the field, and aerial photographs which covered the cultivated, intertidal area. The size and the number of samples were designed to reach a precision of 10% on the final assessment in each area. The field work consisted in weighing and counting the oyster in unit areas of 0.5 m2 for the bottom culture or in trays or bags, for the off bottom technique. These results give a better knowledge of the technique evolution and of the general structures in the cultivated areas.
Tipo: Text Palavras-chave: Modeling; Estimation; Stocks; Crassostrea gigas; Oysters.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/acte-2864.pdf
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Etude comparative de différents indices de condition chez l'huître creuse (Crassostrea gigas) ArchiMer
Bodoy, Alain; Prou, Jean; Berthome, Jean-paul.
Among the different condition indices, some of them were compared on a population of the japanese oyster, Crassostrea gigas. The follow-up of experimental racks was performed monthly during four years. The use of dry weight in condition indices gave a more precise and more reliable representation for the condition of the oysters than the fresh weight. The sensitivity of these indices, which corresponds to their ability in revealing small changes in the physiological condition, was calculated for each indice. Those exhibiting the best sensitivity were ranked as follow: dry weight on the difference between total weight and shell weight, dry weight on intervalve volume. Other indices including the ratio between dry weight and various assessments of the volume...
Tipo: Text Palavras-chave: Bivalve; Crassostrea gigas; Indice de qualité; Indice de condition; Crassostrea gigas; Bivalve; Condition factor; Condition index.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/00000/2961/9155.pdf
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Performances de croissance de l'huître creuse, Crassostrea gigas (Thunberg) dans le bassin d'élevage de Marennes-Oléron entre 1979 & 1982 ArchiMer
Berthome, Jean-paul; Prou, Jean; Bodoy, Alain.
Growth of the japanese oyster, Crassostrea gigas was monitored during 4 years, by following the recruitment of the year 1978, held in rearing conditions. After three and half years, the average length was la cm and the average total weight was 80 g. Clear seasonal changes were observed on the growth in length and weight. An important loss in dry weight occured in July, during the release of gametes. Such losses constituted 29 %, 43 % and 60 % of the dry weight, respectively for individuals which were 2 years, 3 years and 4 years old. The higher instantaneous growth rates (G) were observed during spring and at the beginning of summer. Growth model of Von Bertalanffy, gave the best estimate for the length growth of the species. During the 1979-1982...
Tipo: Text Palavras-chave: Growth parameter; Growth model; Reardd stock; Crassostrea gigas; Oyster; Growth; Descripteurs de croissance; Modèle de croissance; Stock cultivé; Crassostrea gigas; Huître; Croissance.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/publication-2967.pdf
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Biomasse et production primaire du phytoplancton et du microphytobenthos de deux biotopes sableux (Golfe de Fos, France) ArchiMer
Plante-cuny, Marie-reine; Bodoy, Alain.
The primary production (phytoplankton and microphytobenthos) of a coastaL shallow water ecosystem (0.5 m) was investigated in two sandy areas, differing by their wave exposure. The physical and chemical parameters, the functional chlorophyll and pheopigments as well as the primary production were measured monthly, throughout a two-year study. The bivalve Ruditapes decussatus was the dominant species in the sheltered station (RD), whereas Donax trlmcu/us inhabited the other station (DT) which was exposed to the open-sea waves. Microphytic biomasses were determined after extracting chlorophyll a and pheopigments in 90% acetone. by spectrophotometric measurements before and after acidification. Gross hourly primary production was estimated by measuring the...
Tipo: Text Palavras-chave: Biomasse; Production primaire; Phytoplancton; Microphytobenthos; Mediterranee; Biomass; Primary production; Phytoplancton; Microphytobenthos; Mediterranean.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/1987/publication-2870.pdf
Registros recuperados: 56
Primeira ... 123 ... Última
 

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