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| Registros recuperados: 242 | |
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| Hjøllo, Solfrid Sætre; Huse, Geir; Skogen, Morten D.; Melle, Webjørn. |
| The copepod Calanus finmarchicus is the dominant species of the meso-zooplankton in the Norwegian Sea, and constitutes an important link between the phytoplankton and the higher trophic levels in the Norwegian Sea food chain. An individual-based model for C. finmarchicus, based on super-individuals and evolving traits for behaviour, stages, etc., is two-way coupled to the NORWegian ECOlogical Model system (NORWECOM). One year of modelled C. finmarchicus spatial distribution, production and biomass are found to represent observations reasonably well. High C. finmarchicus abundance is found along the Norwegian shelf-break in the early summer, while the overwintering population is found along the slope and in the deeper Norwegian Sea basins. The timing of the... |
| Tipo: Text |
Palavras-chave: Calanus finmarchicus; Zooplankton; IBM; NORWECOM; End-to-end modelling; North-East Atlantic. |
| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00076/18690/16242.pdf |
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| Quintin, Jean-yves; Etcheber, Henri; Sottolichio, Aldo; Oggian, Georges; Derriennic, Herve; Mallet, Céline; Roux Ducept, Alexandra; Sautour, Benoît; Parra, René; Bachelet, Guy; Leconte, Michel. |
| Monitoring n° 34 of the BLAYAIS nuclear power plant takes into account studies conducted between April and November 2011. Physicochemistry, Bathymetry, Contaminants, Bacteriology, Zooplankton, Benthic macrofauna, are reported. |
| Tipo: Text |
Palavras-chave: Centrale nucléaire; Pelagos; Physico chimie; Hydrologie; Microbiologie; Estuaire de la Gironde; Surveillance; Bathymétrie; Zooplancton; Macrofaune benthique.; Nuclear power plant; Pelagos; Physico chemistry; Hydrology; Zooplankton; Gironde estuary; Monitoring; Bathymetry; Benthic macrofauna.; Microbiology. |
| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00333/44415/44090.pdf |
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| Arzul, Isabelle; Chollet, Bruno; Boyer, S.; Bonnet, D.; Gaillard, Juliette; Baldi, Yoann; Robert, Maeva; Joly, Jean-pierre; Garcia, Celine; Bouchoucha, Marc. |
| The paramyxean parasite Marteilia refringens infects several bivalve species including European flat oysters Ostrea edulis and Mediterranean mussels Mytilus galloprovincialis. Sequence polymorphism allowed definition of three parasite types ‘M’, ‘O’ and ‘C’ preferably detected in oysters, mussels and cockles respectively.Transmission of the infection from infected bivalves to copepods Paracartia grani could be experimentally achieved but assays fromcopepods to bivalves failed. In order to contribute to the elucidation of the M. refringens life cycle, the dynamics of the infection was investigated in O. edulis, M. galloprovincialis and zooplankton over one year in Diana lagoon, Corsica (France). Flat oysters appeared non-infected while mussels were infected... |
| Tipo: Text |
Palavras-chave: Bivalves; Marteilia refringens; Copepods; Paracartia latisetosa; Zooplankton; Parasite life cycle. |
| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00165/27635/25768.pdf |
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| Khripounoff, Alexis; Vangriesheim, Annick; Crassous, Philippe; Segonzac, Michel; Colaco, Ana; Desbruyeres, Daniel; Barthelemy, Roxane. |
| In order to provide information about the export and the distribution of hydrothermal particulate material to the surrounding deep ocean, four moorings were deployed in the vicinity of the hydrothermal Rainbow vent field (Mid-Atlantic Ridge, 36 degrees 14'N, 2250 m depth). The first mooring was a sediment trap with a current meter deployed at 2 m from a chimney of the Rainbow vent field and 1.5 m above the bottom (a.b.) for 16 days. It represented the reference for the initial composition of particles produced by the vent. The total mean mass particle flux (6.9 g m(-2) d(-1)) was distinctly higher than the flux measured at the shallower hydrothermal vents on the MAR segment. This particulate flux showed a high temporal variation at the scale of a few days... |
| Tipo: Text |
Palavras-chave: Zooplankton; Biochemistry; Geochemistry; Particle flux; Hydrothermal vent. |
| Ano: 2001 |
URL: https://archimer.ifremer.fr/doc/2001/publication-801.pdf |
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| Quintin, Jean-yves; Castaing, P; Jouanneau, J. M.; Oggian, G; Chaurial, B; Gournier, N; Sautour, B; Parra, R; Bachelet, G; Leconte, M. |
| Monitoring n° 30 of the BLAYAIS nuclear power plant takes into account studies conducted between April and November 2007. Physicochemistry, Bathymetry, Hydrobiology, Bacteriology, Zooplankton, Benthic macrofauna, are reported. |
| Tipo: Text |
Palavras-chave: Benthic macrofauna; Zooplankton; Microbiology; Hydrology; Bathymetry; Physico chemistry; Pelagos; Monitoring; Gironde estuary; Nuclear power plant; Macrofaune benthique; Zooplancton; Microbiologie; Hydrologie; Bathymétrie; Physico chimie; Pelagos; Surveillance; Estuaire de la Gironde; Centrale nucléaire. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/rapport-5373.pdf |
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| Batten, Sonia D.; Abu-alhaija, Rana; Chiba, Sanae; Edwards, Martin; Grahams, George; Jyothibabu, R.; Kitchener, John A.; Koubbis, Philippe; Mcquatters-gollop, Abigail; Muxagata, Erik; Ostle, Clare; Richardson, Anthony J.; Robinson, Karen, V; Takahashi, Kunio T.; Verheye, Hans M.; Wilson, Willie. |
| Plankton are the base of marine food webs, essential to sustaining fisheries and other marine life. Continuous Plankton Recorders (CPRs) have sampled plankton for decades in both hemispheres and several regional seas. CPR research has been integral to advancing understanding of plankton dynamics and informing policy and management decisions. We describe how the CPR can contribute to global plankton diversity monitoring, being cost-effective over large scales and providing taxonomically resolved data. At OceanObs09 an integrated network of regional CPR surveys was envisaged and in 2011 the existing surveys formed the Global Alliance of CPR Surveys (GACS). GAGS first focused on strengthening the dataset by identifying and documenting CPR best practices,... |
| Tipo: Text |
Palavras-chave: Continuous Plankton Recorder; Zooplankton; Phytoplankton; Global monitoring; Biodiversity; Ocean observing; Essential ocean variables. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00689/80060/83064.pdf |
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| Youssara, F; Gaudy, R. |
| Zooplankton from the upper 200 m of the Almeria-Oran frontal region, (east of the Alboran sea, western Mediterranean) was sampled during winter 1997, using two nets equipped with 200 and 80 mum mesh. Eight sites representative of the different hydrodynamic structures (Mediterranean water, geostrophic Atlantic jet, associated anticyclonic gyre) were investigated over 2 d, using two day- and two night-samples per site. Zooplankton biomass was correlated to chlorophyll abundance, with lowest values in the oligotrophic Mediterranean water and highest in Atlantic water. The high biomass resulted from the enhancement of the secondary production, as indicated by the greater proportion of nauplii and the increase of zooplankton metabolism and feeding. Total... |
| Tipo: Text |
Palavras-chave: Mer d’Alboran; Distribution; Front; Zooplancton; Alboran sea; Distribution; Front; Zooplankton. |
| Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/00322/43348/42878.pdf |
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| Quintin, Jean-yves; Sottolichio, Aldo; Derriennic, Hervé; Schmidt, Sabine; Mallet, Céline; Roux Ducept, Alexandra; Sautour, Benoît; Parra, René; Dindinaud, François; Bachelet, Guy; Leconte, Michel. |
| Monitoring n° 35 of the BLAYAIS nuclear power plant takes into account studies conducted between April and November 2012. Physicochemistry, Bathymetry, Hydrobiology, Bacteriology, Zooplankton, Benthic macrofauna, are reported. |
| Tipo: Text |
Palavras-chave: Centrale nucléaire; Estuaire de la Gironde; Surveillance; Pelagos; Physico chimie; Bathymétrie; Hydrologie; Microbiologie; Zooplancton; Macrofaune benthique; Nuclear power plant; Gironde estuary; Monitoring; Pelagos; Physico chemistry; Bathymetry; Hydrology; Microbiology; Zooplankton; Benthic macrofauna. |
| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00141/25181/23287.pdf |
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| 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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| Strady, Emilie; Harmelin-vivien, Mireille; Chiffoleau, Jean-francois; Veron, Alain; Tronczynski, Jacek; Radakovitch, Olivier. |
| The transfer of 210Po and 210Pb in the food web of small pelagic fishes (from phytoplankton and zooplankton to anchovy Engraulis encrasicolus and sardine Sardina pilchardus) is investigated in the Gulf of Lion (GoL). We present original data of 210Po and 210Pb activity concentrations, C and N stable isotope ratios, measured (i) from different size classes of phytoplankton and zooplankton during spring and winter in different environments of the GoL, and (ii) in two fish species. Significant spatial patterns based on 210Po, 210Pb activity concentrations and 210Po/210Pb ratios in the different plankton size classes are evidenced by hierarchical clustering, both in spring and winter. This variability, also observed for C and N stable isotopes ratios, is... |
| Tipo: Text |
Palavras-chave: Po-210; Pb-210; Phytoplankton; Zooplankton; Pelagic fishes; Mediterranean Sea. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00255/36609/35264.pdf |
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| Carrasco, Noelia; Lopez, Immaculada; Alcaraz, M; Furones, M. Dolores; Berthe, Franck; Arzul, Isabelle. |
| The life cycle of the species forming the genus Marteilia (Phylum Paramyxea), which are marine protozoan parasites of molluscs, is still poorly known, although there is evidence of the need for intermediate hosts. To date, only the calanoid copepod Acartia (Paracartia) grani has been demonstrated to be involved in the life cycle of the parasite infecting flat oysters growing in ponds with a low biodiversity. However, no complex natural environments, such as bays or estuaries, have been studied for a similar purpose. Therefore, a survey for the presence of the protozoan Marteilia was conducted by PCR on the zooplankton community of a natural ecosystem, the Alfacs and Fangar bays in the Delta de l'Ebre (NW Mediterranean). Identification of zooplankton... |
| Tipo: Text |
Palavras-chave: Zooplankton; Harpaticoida sp.; Oithona sp.; Mollusc parasite; Life cycle; Marteilia. |
| Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/publication-3050.pdf |
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| Colas, Florent; Tardivel, Morgan; Perchoc, Jonathan; Lunven, Michel; Forest, Bertrand; Guyader, Gerard; Danielou, Marie-madeleine; Le Mestre, Sophie; Bourriau, Paul; Antajan, Elvire; Sourisseau, Marc; Huret, Martin; Petitgas, Pierre; Romagnan, Jean-baptiste. |
| In this paper we present the ZooCAM, a system designed to digitize and analyse on board large volume samples of preserved and living metazooplankton (i.e. multicellular zooplankton) and fish eggs > 300 µm ESD. The ZooCAM has been specifically designed to overcome the difficulties to analyse zooplankton and fish eggs in the framework of the PELGAS survey, and provide high frequency data. The ZooCAM fish eggs counts were comparable to those done with a dissecting microscope. The ZooCAM enabled the accurate prediction and fast on board validation of staged anchovy and sardine eggs in almost real time after collection. A comparison with the ZooScan, on a more complex zooplanktonic community, provided encouraging results on the agreement between the 2... |
| Tipo: Text |
Palavras-chave: ZooCAM; In-flow imaging; Fish eggs; Zooplankton; Ecosystemic survey. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00407/51833/52432.pdf |
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| Huret, Martin; Vandromme, Pieter; Petitgas, Pierre; Pecquerie, Laure. |
| Connectivity during early life stages of pelagic fish, defined here by survival probability between spawning and early juvenile habitats, depends on a combination of sufficient food availability and low predator encounter along drift trajectories. For anchovy in the Bay of Biscay, larval transport experiments throughout the spawning season suggest accumulation of early juveniles in the offshore area of the southern Bay, as well as retention over the mid-shelf at mid-latitude. However, late summer-early autumn surveys suggest presence of juveniles only in the former region. From this observation, we set up a bioenergetic individual based model to test for the effect of food availability on survival patterns. The model couples a Lagrangian transport module... |
| Tipo: Text |
Palavras-chave: Connectivity; Larval IBM; Bioenergetics; Zooplankton; Bay of Biscay; European anchovy. |
| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00105/21655/19237.pdf |
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| Gaudy, R; Youssara, F. |
| Respiration, excretion (NH4 and PO4) and feeding of zooplankton from the upper 200 m of the Almeria-Oran frontal region (western Mediterranean), were studied during winter 1997. Eight sites belonging to the three main hydrodynamic structures of the area (Mediterranean water, geostrophic Atlantic jet and associated anticyclonic gyre) were considered. Lowest values of respiration, PO4 excretion, O/P atomic ratio and particle ingestion were found in Mediterranean waters. At the frontal limit, respiration and ammonium excretion were enhanced compared to the adjacent structures (Mediterranean water and Atlantic jet). In the gyre water, lowest O/N and highest N/P values were observed and maximum faecal pellet production and reproduction activity (inferred from... |
| Tipo: Text |
Palavras-chave: Mer d'Alboran; Front; Zooplancton; Métabolisme; Nutrition; Alboran sea; Front; Zooplankton; Metabolism; Feeding. |
| Ano: 2003 |
URL: http://archimer.ifremer.fr/doc/00322/43275/43006.pdf |
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| Tiano, Marion; Tronczynski, Jacek; Harmelin-vivien, Mireille; Tixier, Celine; Carlotti, Francois. |
| PCB levels in plankton were investigated in the Bay of Marseille, Western Mediterranean Sea, between September 2010 and October 2011. Concentrations of PCB congeners (CB 18, CB 52, CB 101, CB 118, CB 138, CB 153, CB 180) were determined in three plankton size-classes (60–200, 200–500 and 500–1000 μm) together with different parameters: chlorophyll content, plankton dry-weight biomass, carbon and nitrogen stable isotope ratios and plankton-community structure. The ∑PCB7 concentrations ranged between 14.2 and 88.1 ng g−1 d.w., for all size classes and all sampling periods. The results do not show the biomass dilution effect and indicate moderate but significant biomagnification with plankton trophic position estimated by δ15N signatures. Equilibrium with... |
| Tipo: Text |
Palavras-chave: PCBs; Phytoplankton; Zooplankton; Bioaccumulation; Coastal; Bay of Marseille. |
| Ano: 2014 |
URL: https://archimer.ifremer.fr/doc/00218/32881/31371.pdf |
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| Registros recuperados: 242 | |
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