155 resultados para Saumon Atlantique


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The HERMES cold-water coral database is a combination of historical and published sclerectinia cold-water coral occurrences (mainly Lophelia pertusa) and new records of the HERMES project along the European margin. This database will be updated if new findings are reported. New or historical data can be sent to Ben De Mol (mailto:bendemol@ub.edu). Besides geocodes a second category indicates the coral species and if they are sampled alive or dead. If absolute dating is available of the corals this is provide together with the method. Only the framework building cold-water corals are selected: Lophelia pertusa, Madrepora oculata and common cold-water corals often associated with the framework builders like: Desmophyllum sp and Dendrophylia sp. in comments other observed corals are indicated. Another field indicates if the corals are part of a large build-up or solitary. A third category of parameters is referencing to the quality of the represented data. In this category are the following parameters indicated: source of reference, source type (such as Fishermen location, scientific paper, cruise reports). sample code and or name and sample type (e.g. rock dredge, grab, video line). These parameters must allow an assessment of the quality of the described parameters.

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In order to recognize the distribution of hydrothermal tracers south of the Azores, a series of cores has been sampled during the GEOFAR cruise. The distribution of the Mn concentrations shows that the hydrothermal influence is maximum within and to the north-west of the Lucky Strike segment. North of the East-Azores Fracture Zone the sediments are enriched in Ba which could be derived from different sources. The chemical composition of the interstitial water shows that water advection is limited. Mn, Cu, Ni fluxes evaluated in one site have increased during isotopic stages 4 and 2 and the deglaciation.

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Inserted between p. 6 and 7: Discours sur le magnétisme animal, prononcé le 13 février, 1835, à l'Athénée central / [Dupotet de Sennevoy]. [Paris] : Imprimerie de Mme De Lacombe, [1835?]

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Vol. 47 accompanied by atlas of plates; 37 cm.

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Fossil associations from the middle and upper Eocene (Bartonian and Priabonian) sedimentary succession of the Pamplona Basin are described. This succession was accumulated in the western part of the South Pyrenean peripheral foreland basin and extends from deep-marine turbiditic (Ezkaba Sandstone Formation) to deltaic (Pamplona Marl, Ardanatz Sandstone and Ilundain Marl formations) and marginal marine deposits (Gendulain Formation). The micropalaeontological content is high. It is dominated by foraminifera, and common ostracods and other microfossils are also present. The fossil ichnoasssemblages include at least 23 ichnogenera and 28 ichnospecies indicative of Nereites, Cruziana, Glossifungites and ?Scoyenia-Mermia ichnofacies. Body macrofossils of 78 taxa corresponding to macroforaminifera, sponges, corals, bryozoans, brachiopods, annelids, molluscs, arthropods, echinoderms and vertebrates have been identified. Both the number of ichnotaxa and of species (e. g. bryozoans, molluscs and condrichthyans) may be considerably higher. Body fossil assemblages are comparable to those from the Eocene of the Nord Pyrenean area (Basque Coast), and also to those from the Eocene of the west-central and eastern part of South Pyrenean area (Aragon and Catalonia). At the European scale, the molluscs assemblages seem endemic from the Pyrenean area, although several Tethyan (Italy and Alps) and Northern elements (Paris basin and Normandy) have been recorded. Palaeontological data of studied sedimentary units fit well with the shallowing process that throughout the middle and late Eocene occurs in the area, according to the sedimentological and stratigraphical data.

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En este artículo se explora el impacto socio-económico de la crisis internacional de 1929 en Senegal y más concretamente en la ciudad-puerto de Dakar. Se analizan las consecuencias de la dependencia externa y la extroversión económica que caracterizaba a las estructuras productivas coloniales, destacando también la respuesta organizada de los movimientos sociales africanos. Por otra parte, se estudia la evolución de las infraestructuras y actividad portuaria, observando la metropolización regional de Dakar durante este periodo.