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Mission d'information sur le développement de la pêche dans le territoire des AFARS et des ISSAS du 10 au 15 avril 1974 ArchiMer
Allain, Charles.
Cette mission d'information, prise en charge par le Centre d'Etudes Géologiques et de Développement du Territoire des Afars et des Issas, s'est déroulée du 10 au 15 avril, à l'issue d'une mission à La Réunion. Cette période coïncidant avec les congés de pâques, il n'a guère été possible de prendre contact avec les autorités locales.
Tipo: Text
Ano: 1974 URL: http://archimer.ifremer.fr/doc/00088/19907/17570.pdf
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Congélation des produits marins par l'azote liquide : décongélation - recongélation ArchiMer
Crepey, J. R.; Gorbic, G..
L'emploi de l'azote liquide appliqué à la congélation des produits marins peut apporter certaines améliorations dans la rapidité des opérations et la qualité des produits. Les travaux ont démontré que pour les échantillons de faible épaisseur on obtenait une qualité meilleure qu'avec la congélation classique. Cependant, dans le cas des produits d'une certaine épaisseur, on a constaté une hétérogénéité de la structure qui ntexiste pas avec la congélation à – 40° C. Bien que la température d'évaporation de l'azote soit de – 195°,8 l'abaissement de la température du traitement au-dessous de -100° C/-120° C n'apporte pas un gain notable, ni dans la vitesse de congélation, ni dans la qualité des produits finis. L'amélioration constatée au début de l’entreposage...
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Ano: 1974 URL: http://archimer.ifremer.fr/doc/00119/22990/20821.pdf
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Description de selioides guineensis SP.N., copépode cyclopoide parasite d'aphroditidae ArchiMer
Carton, Y.; Laubier, L..
A new species of parasitic Copepod on polychaetous Annelid (family Polynoidae), Seliodes guineensis sp. n, has been collected in South Atlantic (Guinea Gulf). This discovery permits to extend the biogeographical distribution of the genus, which was as yet limited to boreoarctic and antarctic seas. [NOT CONTROLLED OCR]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5161.pdf
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Maladie de la glande digestive de l'huître plate - Etude histochimique ArchiMer
Morel, Marc; Tige, Gilbert.
The histochemical study conducted here aims to bring to light the different biochemical components of the parasite. We carried out a series of analyses focusing on the main features known to this parasite: basic "primary" cell (stage 1), included "secondary" cells (stage 2), groups of "secondary" cells isolated by a membrane with or without "refracting clusters" (stage 4 and 3). The results of these histochemical tests are described in this work.
Tipo: Text Palavras-chave: Histochimie; Pathologie; Maladie; Ostrea edulis; Huître.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-6287.PDF
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Talismania grandisquamis sp.nov. Poissons, Clupeiformes, Alepocephalides, espece nouvelle de l'Atlantique centre-est. ArchiMer
Quero, Jean-claude.
The author describes a new alepocephaliid fish of the gen Talismania Goode and Bean, 1895 from the waters along the coast of north-west Africa. The new sp T.grandisquamis differs from T.homoptera (Vaillant, 1888) and T.oregoni Parr, 1952 by the highly developed pectoral ray and from T.longifilis (Brauer, 1902) and T.bifurcata (Parr, 1951) by the larger scales, only about 47 in a longitudinal series, and about 13 in a transverse count.
Tipo: Text Palavras-chave: ASE; Africa Talismania bifurcata Talismania longifilis Talismania oregoni Talismania homoptera Talismania grandisquamis Taxonomy New species.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-2037.pdf
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La houle déferlante et son action ArchiMer
Cavanie, Alain.
The breaking of waves is probably the most spectacular phenomenon linked to sea swell for the average coastal walker, even if he does not know anything about the mechanisms involved. For the oceanographer, it is a hydrodynamic non-linear, non-stationary phenomenon, which depends on the bottom slope and on the nature of the offshore swell. For the engineer, it is a source of destructive forces (evaluated in tens, if not hundreds of tonnes per square metre of building) which has to be anticipated and mastered.
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5428.pdf
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Larves de Décapodes Macrura et Anomura, espèces européennes ; Caractères morphologiques et observations écologiques ArchiMer
Thiriot, Alain.
The number of European species of Decapods Macrura reptantia and Anomura, currently listed, reaches 100. 44 of them have been described at a larval state, at least the first Zoeal stage. However, due to the discovery of new species and some descriptions being rather dated, only about 30 can be determined precisely. The different families gathered under these two sections of Decapod crustaceans, make a polyphylogenic group, very diverse, but showing common characters in their larval state and making the transition between Natantiae and Brachyurae.
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5074.pdf
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Aménagement de la Baie de la Canche - Rapport de l'étude sur l'écologie et la productivité de l'estuaire de la Canche ArchiMer
Desaunay, Yves.
Tipo: Text
Ano: 1974 URL: http://archimer.ifremer.fr/doc/00080/19119/16714.pdf
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Etude de l'état du stock nord-atlantique de germon thunnus alalunga par l'analyse des cohortes (rendement pondéral et fécondité) ArchiMer
Le Gall, Jean-yves; Laurec, Alain; Bard, François-xavier; Dao, Jean-claude.
Cette étude intègre simultanément les données de la pêcherie palangrière de l'Atlantique Nord Central (prises annuelles en nombre par classes d'âge à partir des échantillonnages de la pêcherie japonaise) et les données de la pêcherie de surface franco-espagnole de l'Atlantique Nord-Est (prises annuelles en nombre par classes d'âge à partir des échantillonnages de la pêcherie française). L'analyse des cohortes sur ces données conduit à des estimations de Fi et de tailles de cohortes au recrutement et la sortie de la pêche de surface, puis au recrutement de la pêcherie palangrière. Le recoupement et le recouvrement de ces résultats permettent de construire une série de Fi et, à partir des données de Mi extraites d'autres études, d'appliquer les modèles...
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5469.pdf
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Capture d'une espece nouvelle pour la faune de l'atlantique nord-est Photostylus pycnopterus beebe, 1933 poissons, clupeiformes, alepocephalides ArchiMer
Quero, Jean-claude.
Photostylus pycnopterus Beebe, 1933 is recorded for the lst time off the north-eastern Atlantic.
Tipo: Text Palavras-chave: ANE; Photostylus pycnopterus; New records; Geographical distribution.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-2035.pdf
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Respiratory electron transport activity in plankton from upwelled waters ArchiMer
Packard, Théodore.; Harmon, Dana; Boucher, Jean.
This paper presents measurements of the respiratory electron transport system (ETS) in the plankton from the upwelled waters of Morocco, Mauritania and Baja California. The ETS activity in the euphotic-zone phytoplankton is associated with chlorophyll-a, carbon and 14C-uptake, but not with nitrate reductase activity. Zooplankton respiration and excretion of phosphate and ammonium are calculated from zooplankton ETS measurements. The details of the method and significance of the results are discussed. [NOT CONTROLLED OCR]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5163.pdf
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An oceanographic grid system for coastal and continental margin areas ArchiMer
Le Gall, Jean-yves.
In the Marsden Square Grid System, or its derivations - and this is the system that most national and international oceanographic data acquisition centres employ - the information is located geographically for statistical purposes by means of a grid consisting of 10°, 5° or 1° " squares ". The system, an early one dating from 1850, has three major disadvantages, and this has meant that its numbering principle cannot be used for a grid whose smallest lattice is less than 1° of latitude by 1° of longitude. [NOT CONTROLLED OCR]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5157.pdf
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Fichier technique des estuaires Bretons - Estuaire de l'Odet ArchiMer
,.
Tipo: Text
Ano: 1974 URL: http://archimer.ifremer.fr/doc/00080/19157/16751.pdf
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CNEXO - Rapport annuel 1974 ArchiMer
Dans un monde perturbé, inquiet, qui n'est pas sans rappeler à bien des égards, comme le soulignait à l'ouverture du Colloque International de Bordeaux sur l'Exploitation des Océans, le 1er octobre 1974, le représentant du gouvernement français, « l'époque de bruits, de fureurs, d'écroulements économiques, d'émergences de nations nouvelles, de révolutions géographiques ou techniques que nous appelons avec le recul du temps, la Renaissance! », l'océanologie française a vécu en 1974 une année féconde, comportant l'acquisition de nombreux résultats, ouvrant des perspectives de développement. [OCR NON CONTRÔLE]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/rapport-4818.PDF
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Etude des incertitudes affectant l'estimation des réserves en granulats exploitables en mer ArchiMer
Debyser, Jacques; Berthois, Léopold; Auffret, Gérard André.
These orticle is concerned with errors involved in the evaluation of mineral gravel reserve from a dredging netwark. After the examination of different sources an actual example have been treated. The results show that gravels reserves from the Southern port of the Western channel cannot be evaluated better than two a factor of three. [NOT CONTROLLED OCR]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-4980.pdf
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Donnees sur la biologie de la plie americaine Hippoglossoides platessoides des bancs meridionaux de Terre-Neuve et du plateau du Cap Breton ArchiMer
Minet, Jean-pierre.
The systematic position and morphological characters of H.platessoides are presented. The geographical distribution, habitat and seasonal movements of the sp are described. Data on stomach contents and feeding behaviour are presented. Age and growth studies are also carried out and data on sexual maturity and reproduction are given. There are no significant morphological differences between the populations from the southern banks of Newfoundland and the Cap Breton are, however, biological and physiological differences between the 2 populations, especially in the diet, growth rates, spawning and sexual maturity. There are also differences in growth rates and size at 1st sexual maturity, between male and female.
Tipo: Text Palavras-chave: ANW; Canada Hippoglossoides platessoides Reproduction Feeding Growth Geographical distribution Life cycle Organism morphology Taxonomy.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-2034.pdf
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L'activité amylasique indice de la nutrition de zooplancton ; mise en évidence d'un rythme quotidien en zone d'upwelling ArchiMer
Boucher, Jean; Samain, Jean-francois.
Specific amylase activity was measured during the CINECA III cruise in the moroccan upwelling area. In this region the population is homogeneous and in a steady state during the study. The hypothesis of enzymatic activity rate as a nutrition index is enlarged by a relation with diet, fast and feeding stock. A mathematical expression is given of the relationship between zooplankton digestive activity and phytoplankton biomass. Analysis of this equation shows a daily physiological rhythm of the amylase activity. [NOT CONTROLLED OCR]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5149.pdf
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Distribution d'espèces planctoniques carnivores dans la région sud de l'antlantique marocain. Résultats des campagnes Cineca-Charcot I, II et III ArchiMer
Goy, Jacqueline; Thiriot, Alain.
The distribution of three groups of zooplanktonic animals, chosen to represent the carnivorous trophic level (Medusae : Liriope tetraphylla ; Siphonophora Diphyidae ; Chaetognaths) is studied from samples of three cruises in the upwelling zone of Moroccan Coast. Four areas can be distinguished because their populations are not homogeneous Correlations between abundance of these three groups and parameters of upwelling system : temperature, depth, phytoplankton and zooplankton biomasses, show that only one species : Liriope tetraphylla can be related to these factors. [NOT CONTROLLED OCR]
Tipo: Text Palavras-chave: Histoire Ifremer.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-5152.pdf
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Données sur la croissance chez Sparus auratus Linne 1758 par l'élevage en condition intensive d'alevins de reproduction contrôlée ArchiMer
Rene, Francois.
La période de maturité sexuelle chez Sparus auratus Linné 1758 étant automnale et hivernale, les alevins obtenus par le contrôle de la reproduction doivent nécessairement être stockés en milieu thermorégu1é et ceci tant que les conditions thermiques du milieu naturel ne permettent pas l'alevinage. L'étude qui suit a pour but, d'une part, de définir certains paramètres de ce stockage: mortalité, croissance, charge, nutrition, etc... ; d'autre part, de définir ces paramètres dans l'élevage intensif, l'expérience s'étant poursuivie sur des animaux plus âgés.
Tipo: Text
Ano: 1974 URL: http://archimer.ifremer.fr/doc/00271/38238/36420.pdf
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Les zones littorales de la Provence Orientale-Equilibres sédimentaires ArchiMer
Blanc, J..
Tipo: Text
Ano: 1974 URL: http://archimer.ifremer.fr/doc/00104/21502/19083.pdf
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