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Registros recuperados: 45
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Alimentación de la anchoíta argentina (Engraulis anchoita Hubbs y Marini, 1935)(Pisces: Clupeiformes) durante la época reproductiva OceanDocs
Pájaro, M..
Northern and southern populations of Engraulis anchoita spawn during spring and early summer in the coastal and intermediate shelf regions of the Argentine Sea between 34°S-41°S and 41°S-48°S respectively. Samples were obtained in 8 research surveys carried out during the spawning peak of the species. In both populations, more than 70. of the stomachs analyzed were empty or with scarce food. In plankton samples taken copepods predominated in the whole reproductive area. However, densities (41,000 individuals m-2)were lower than those found on the external shelf. Distribution and number of preys observed in the stomach content were associated to the distribution and abundance of plankton organisms. When comparing coastal and shelf regions it was noted that...
Tipo: Journal Contribution Palavras-chave: Engraulidae; Conducta alimenticia; Contenido estomacal; Zooplancton; Conducta reproductiva; Estaciones de desove Stomach content Zooplankton Feeding behaviour Reproductive behaviour Spawning seasons Zooplankton Feeding behaviour Reproductive behaviour http://aims.fao.org/aos/agrovoc/c_15490 http://aims.fao.org/aos/agrovoc/c_10778 http://aims.fao.org/aos/agrovoc/c_37902.
Ano: 2002 URL: http://hdl.handle.net/1834/1588
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Approche systémique des potentialités de production secondaire pélagique: inférences de fluctuations interannuelles ArchiMer
Bergeron, Jean-pierre.
Une méthode d'estimation des potentialités de production secondaire pélagique est proposée, tirant profit de l'homologie interspécifique de certains processus métaboliques élémentaires. Elle consiste à mesurer l'activité de l'aspartate transcarbamylase (A TC), enzyme contribuant à la biosynthèse de composants de base des acides nucléiques, sur des échantillons du peuplement mésozooplanctonique total. L'exécution de onze campagnes au cours des périodes printanières de trois. années consécutives, de 1978 à 1980, a permis d'appliquer cette approche à un écosystème néritique de région tempérée, situé au large de la côte nord de la Bretagne (Manche occidentale). Les onze séries de données ainsi acquises prêtent à caractériser les traits essentiels de...
Tipo: Text Palavras-chave: Aspartate transcarbamylase; Écosystème pélagique; Manche; Production; Zooplancton; Aspartate transcarbamylase; Pelagic ecosystem; English Channel; Production; Zooplankton.
Ano: 1986 URL: https://archimer.ifremer.fr/doc/00072/18315/15884.pdf
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Bancarisation des données planctoniques des campagnes halieutiques ArchiMer
Thomas, Amandine; Baudrier, Jerome; Gauthier, Emilie.
Cette étude fait état de la collecte des données planctoniques actuellement effectuée à bord des six campagnes halieutiques affiliées au programme DCF et optimisées pour les besoins de la surveillance liée à la DCSMM. Ce document contient des propositions de structuration en vue d’une bancarisation de ces données dans le système d’information Quadrige pour qu’elles puissent être accessibles à tous.
Tipo: Text Palavras-chave: DCSMM; Campagnes halieutiques; DCF; Base de données; Phytoplancton; Zooplancton; Bancarisation; Quadrige; IBTS; CGFS; PELGAS; EVHOE; PELMED; MEDITS..
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00513/62496/66807.pdf
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BIOMASA, DENSIDAD Y COMPOSICION ZOOPLANCTONICA DE LA BAHIA DE MOCHIMA, VENEZUELA Gayana
Márquez-Rojas,Brightdoom; Marín,Baumar; Díaz-Ramos,J.R; Troccoli,Luis.
La biomasa, densidad y composición del zooplancton de la bahía de Mochima fueron estudiadas durante 1998. Las muestras fueron recolectadas mensualmente en la entrada de la bahía (estación A) y en la parte interna (estación B) entre enero y diciembre de 1998. En cada estación se realizaron calados oblicuos con una malla estándar de 300 micras y 0,25 m de diámetro de boca a 0-5 y 10-15 m y a una velocidad de dos nudos durante 10 min. El índice de surgencia se calculó a partir de los datos de vientos. Se midió salinidad, temperatura del agua, concentración de oxígeno disuelto, concentración de clorofila a, biomasa y densidad del zooplancton; además se identificaron los organismos, en lo posible hasta especie. Los perfiles de temperatura mostraron un mayor...
Tipo: Journal article Palavras-chave: Zooplancton; Densidad; Biomasa; Surgencia.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382008000100008
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Communautés du zooplancton. Sous-région marine Manche - Mer du Nord. Evaluation initiale DCSMM. ArchiMer
Sautour, Benoît; Heroin, Debora; Raybaud, Virginie; Stemmann, Lars; Raud, Thomas; Brylinski, Jean-michel; Thibault-botha, Delphine.
Tipo: Text Palavras-chave: Manche; Mer du Nord; Zooplancton; Recensement; Méthodes d'acquisition; Evolution spatio-temporelle; Zones sensibles.
Ano: 2012 URL: https://archimer.ifremer.fr/doc/00327/43833/79141.pdf
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Communautés du zooplancton. Sous-région marine Méditerranée occidentale. Evaluation initiale DCSMM. ArchiMer
Sautour, Benoît; Heroin, Debora; Raybaud, Virginie; Stemmann, Lars; Raud, Thomas; Brylinski, Jean-michel; Thibault-botha, Delphine.
Tipo: Text Palavras-chave: Méditerranée; Zooplancton; Recensement; Méthodes d'acquisition; Evolution spatio-temporelle; Zones sensibles.
Ano: 2012 URL: https://archimer.ifremer.fr/doc/00331/44199/79139.pdf
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Communautés du zooplancton. Sous-région marine Mers celtiques. Evaluation initiale DCSMM. ArchiMer
Sautour, Benoît; Heroin, Debora; Raybaud, Virginie; Stemmann, Lars; Raud, Thomas; Brylinski, Jean-michel; Thibault-botha, Delphine.
Tipo: Text Palavras-chave: Mers celtiques; Zooplancton; Recensement; Méthodes d'acquisition; Evolution spatio-temporelle; Zones sensibles.
Ano: 2012 URL: https://archimer.ifremer.fr/doc/00328/43936/79140.pdf
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Composition en cires, triglycérides, protéines et sucres du mésozooplancton ArchiMer
Alayse-danet, Anne-marie; Daniel, Jean-yves; Le Coz, Jean-rene.
Analyses effectuées sur le zooplancton total des pêches verticales au WP2 et sur des animaux triés à partir des pêches horizontales (Campagne RCA sur les côtes Atlantiques du Portugal). On ne signale pas de différence significative entre la composition biochimique des populations du large et de la côte
Tipo: Text Palavras-chave: Zooplancton; Milieu marin; Composition chimique; Glucide; Cire animale; Triglycéride; Protéine; Océan Atlantique Nord; Upwelling; Méiofaune; Portugal; France; Zone côtière; Zooplankton; Marine environment; Chemical composition; Carbohydrate; Animal wax; Triglyceride; Proteins; North Atlantic; Upwelling; Meiofauna; Portugal; France; Coastal zone.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00189/29976/28429.pdf
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Contribution à l'étude de faisabilité d'une usine marémotrice dans le Golfe normano-breton - Zooplanctonologie halieutique ArchiMer
Martin, Jocelyne; Halgand, Daniel.
Zooplankton study presented in this paper, is one of the three parts of fish ecology study undertaken by IFREMER in 1983 on Electricité de France request. The present work draws up an inventory of young stages from meroplanktonic species (fish eggs and larvae, crustacean larvae and postlarvae) in the area studied (a part of gulf of St Malo) together with rather large holoplanktonic organisms. Sampling period (from March to September) and periodicity were choosen according to study of hatching area and period of economical crustaceans. An hydrological study was carried out in the same time.
Tipo: Text Palavras-chave: Zooplancton; Ichtyoplancton; Larves; Crustaces; Hydrologie; Manche; Zooplankton; Ichtyoplankton; Crustacean; Larvae; Hydrology; Channel.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00004/11539/8125.pdf
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Diet, feeding behaviour and trophic activity of the anchovy (Engraulis encrasicolus L.) in the Gulf of Lions (Mediterranean Sea) ArchiMer
Plounevez, Serge; Champalbert, Gisèle.
Feeding behaviour of adult European anchovy (Engraulis encrasicolus) was studied in the Gulf of Lions (northwestern Mediterranean Sea) in relation to major abiotic and biotic factors. Observations were made during the main spawning period (summer) for two years, data were collected through hydrological pro-tiling, zooplankton hauls and fish trawling performed in areas of high anchovy density. Temperature, salinity and zooplankton biomass were stratified in the study areas, with cladocerans numerous above the thermocline whereas copepods were dominant below. Engraulis encrasicolus was strictly zooplanctivorous during the main spawning season with copepod and crustacean larvae dominating in stomach contents. Anchovy exhibited high trophic activity during the...
Tipo: Text Palavras-chave: Anchois; Alimentation; Zooplancton; Reproduction; Méditerranée; Anchovy; Feeding; Zooplankton; Spawning; Mediterranean Sea.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00301/41263/40455.pdf
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Ecotron - Embiez 7 - Evolution qualitative et quantitative du zooplancton dans les bassins de culture ArchiMer
Gaudy, R..
The qualitative and quantitative evolution of a zooplanktonic population growing in a concrete tank after enrichment and production of a phytoplanktonic bloom has been followed during a time exceeding six weeks. After an initial unsteady period and a temporary peak of rotiferas, a progressive increase of organism abundance was observed, with a corresponding re­duction of their specific diversity. During the last phase of the experiment, the zooplankton community was qualitatively similar with the populations described in harbour waters or other semi-closed or closed marine spaces characterized by eutrophy and pollution. It was chiefly composed of copepods from Acartia, Tisbe and Oithona generas. The numerical density of organisms was,to a great...
Tipo: Text Palavras-chave: Zooplancton; Culture; Physionomie des populations; Zooplankton; Culture; Population physiognomy.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00305/41671/40880.pdf
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Ecotron - Embiez 8 - Modélisation de la production d'organismes planctoniques dans les bassins ArchiMer
Nival, Paul; Malara, G..
Choosing the best conditions for the cultivation of plankton in tanks is a difficult deal, which is generally solved by means of subjective estimations. A better way of looking for these conditions is the use of a mathematical model. _ We have tried to built a model that accounts for the physical and bio­logical characteristics of the tanks. The data concerning the physiological characteristics of the different group of organisms encountered are too scarce to allow all of them to be taken into account. The system studied here is composed of nutrients, phytoplankton, herbivorous copepods and rotifers to which benthic algae have been added. With the hypothesis of 3 elements (phyto - zooplankton - nutrients) it can be showed that when an equilibrium is...
Tipo: Text Palavras-chave: Phytoplancton; Zooplancton; Culture; Modèle mathématique; Phytoplankton; Zooplankton; Culture; Mathematical model.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41673/40882.pdf
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Efeito da fertilização de viveiros no desenvolvimento de pirarucu na recria. Repositório Alice
REZENDE, F. P.; LIMA, A. F.; ARAUJO, P. L. D.; PINHO, E. S..
Objetivou-se avaliar o efeito da fertilização de viveiros no crescimento do pirarucu na recria (20 a 800 g), em 100 dias de cultivo. O experimento foi realizado em DIC com dois tratamentos: 1) recria em viveiros não fertilizados e 2) recria em viveiros fertilizados com ureia, superfosfato simples, cloreto de potássio e farelo de arroz, com 2 repetições cada.
Tipo: Parte de livro Palavras-chave: Peixe de água doce; Pirarucu; Recria; Zooplancton; Piscicultura.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1079445
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Environmental control of mesozooplankton community structure in the Seine estuary (English Channel) ArchiMer
Mouny, P; Dauvin, Jc.
This paper is the first to describe the spatio-temporal changes of mesozooplankton in the Seine estuary. Monthly samples were collected along the estuary in 1996 in order to analyse the seasonal changes of the mesozooplankton community and to identify the major environmental parameters that may influence the spatial distribution of zooplankton in this megatidal estuary. Statistical analysis (canonical correspondence analysis) showed that salinity was the main factor correlated with the longitudinal distribution of zooplankton. Marine species (Temora longicornis, barnacle larvae...) were located in the outer part of the estuary, while more oligohaline species (Eurytemora affinis) were recorded in the inner part of the estuary. A mixed zone was characterised...
Tipo: Text Palavras-chave: Zooplancton; Eurytemora affinis; Cycle annuel; Facteurs environnementaux; Estuaire de la Seine; Zooplankton; Eurytemora affinis; Annual cycle; Environmental parameters; Seine estuary.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00322/43325/42929.pdf
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Etude de la dynamique des populations zooplanctoniques au sein d'une claire ostréicole ArchiMer
Sajus, Marie-celine.
Marteilia refringens est un protozoaire parasite de l'huître plate Ostrea edulis, à l'origine de mortalités dramatiques en élevage depuis les années 1970. En zone endémique, le seul moyen de contrôle de la marteiliose, est une gestion du risque de contamination. Dans ce cadre, la connaissance du cycle parasitaire de Marteilia refringens est primordiale. Les travaux réalisés à ce sujet ont permis de poser l'hypothèse d'un cycle hétéroxène. Le parasite a été détecté par PCR puis localisé au sein des tissus par hybridation in situ au sein d'une espèce de copépode Calanoide prélevée dans une claire ostréicole. A ce stade, cette espèces peut être considéré comme un hôte de Marteilia refringens. Notre étude consistait à mettre en évidence la dynamique des...
Tipo: Text Palavras-chave: Marteilia refringens; Parasitologie; Huître plate; Ostrea edulis; Eau de mer; Zooplancton; Claires ostréicoles.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00032/14351/11635.pdf
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Evolution de la biomasse et de la physiologie du zooplancton sur la côte nord de Bretagne en relation avec l'échouage de l'Amoco Cadiz : résultats préliminaires pour la période du 16 mars au 20 mai 1978 ArchiMer
Samain, Jean-francois; Le Fevre, J.; Moal, J.; Daniel, J.y.; Boucher, Jean.
First results about distribution and changes of biomass (dry weight and total soluble proteins), physiology (amylase, trypsin) and faunistic composition of zooplankton are reported for the two months period following the spill of AMOCO CADIZ on the Britany Northern coast. A shortage of biomass in the aber area is attributed to hydrocarbons. The low level of the mean value of biomasse on the North coasts, and the pecularities of estuarine station of the Lannion bay and of Trieux area are reported and discussed.
Tipo: Text Palavras-chave: Amoco Cadiz; Zooplancton; Biomasse; Physiologie; Marée noire; Amoco Cadiz; Zooplankton; Biomass; Physiology; Spill.
Ano: 1978 URL: http://archimer.ifremer.fr/doc/00306/41728/40939.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 communautés du zooplancton. Sous-région marine Golfe de Gascogne. Evaluation initiale DCSMM. ArchiMer
Sautour, Benoît; Heroin, Debora; Raybaud, Virginie; Stemmann, Lars; Raud, Thomas; Brylinski, Jean-michel; Thibault-botha, Delphine.
Tipo: Text Palavras-chave: Golfe de Gascogne; Zooplancton; Communautés; Recensement; Analyse; Evolution spatio-temporelle; Zones sensibles.
Ano: 2012 URL: https://archimer.ifremer.fr/doc/00329/44015/79195.pdf
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Marine zooplanktonic diversity: a view from the South Atlantic ArchiMer
Boltovskoy, D; Correa, N; Boltovskoy, A.
Approximately 7000 marine zooplanktonic species have been described so far for the World Ocean; in the South Atlantic the presence of 40% of these has been confirmed, and an additional 20-30% are expected to be recorded in the future. The overall number of described species is very low when compared with other communities, and yet it may not be too far from the final, complete inventory. Very ample geographic distributional ranges, compositional similarity between the major oceanic basins, and declining species description rates suggest that the undescribed fraction of marine zooplankton is nowhere as large as those suggested for the biosphere as a whole. It is anticipated that the highest proportions of new species will be among the groups associated....
Tipo: Text Palavras-chave: Zooplancton; Diversité; Atlantique Sud; Zooplancton; Diversity; South Atlantic.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00322/43310/42964.pdf
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Plankton communities of the South Atlantic anticyclonic gyre ArchiMer
Piontkovski, Sa; Landry, Mr; Finenko, Zz; Kovalev, Av; Williams, R; Gallienne, Cp; Mishonov, Av; Skryabin, Va; Tokarev, Yn; Nikolsy, Vn.
Data collected during cruises of the Former Soviet Union (in 1963-1989) and the British Atlantic meridional transect program (in 1995-1999) were used to analyse macroscale patterns in phyto- and zooplankton biomass, size structure, species diversity, chlorophyll a, and plankton bioluminescence in the macroscale anticyclonic gyre of the South Atlantic Ocean. The spatial pattern of bioluminescence intensity was in good agreement with that of remotely sensed (CZCS) chlorophyll a, phosphate, salinity, and copepod species diversity index distributions especially in terms of geographic inclinations of the isolines, both associated with the north-westward pattern off the South equatorial current. Among the 416 copepod species recorded in samples, 51 species were...
Tipo: Text Palavras-chave: Zooplancton; Chlorophylle; Bioluminescence; Altantique Sud; Zooplankton; Chlorophyll; Bioluminescence; South Atlantic Ocean.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00322/43271/43002.pdf
Registros recuperados: 45
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