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Registros recuperados: 35 | |
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Berland, B; Burlakova, Z; Georgieva, L; Izmestieva, M; Kholodov, V; Krupatkina, D; Maestrini, S; Zaika, V. |
Phytoplankton biomass has been studied in the Levant Sea (Eastern Mediterranean) during summer 1983 in order to picture its vertical distribution as well as its limitation mechanisms. Biological tests carried out on the natural populations of the Basin show that P is the first biomass-limiting element and that N is the second. The simultaneous input of P and N, however, is not sufficient to induce growth; this suggests that Mn has an essential role in the phytoplanktonic growth in this ultra-oligotrophic water. Discussion deals with the significance of the deep chlorophyll a maximum and with the physiological processes allowing it to last. |
Tipo: Text |
Palavras-chave: MED; Eastern Mediterranean Nitrogen Phosphorus Chlorophylls Biomass Temperature effects Nutrients (mineral) Vertical distribution Limiting factors Phytoplankton. |
Ano: 1984 |
URL: http://archimer.ifremer.fr/doc/1984/acte-1519.pdf |
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Campello, Francois. |
The author studies the microbial phenomena which occur during the maturation of French anchovies, some from the Basque, the others from the Roussillon coast. There are some differences in relation with the origin of the fishes. On a marine agar, the microflora of the Mediterranean ones is almost constant or in a light diminution while that of the Atlantic ones is climbing during 9 weeks before a decline. On an extremely salted agar and in the both origins the archaebacteria are increasing in number during 5 to 6 weeks and diminishing before. The complete ripening is obtained within 16-17 weeks. The limits of the significance of the microbiological analysis are discussed. |
Tipo: Text |
Palavras-chave: MED; France; ANE; Clupeidae; Pisces; Engraulis encrasicolus; Microorganisms; Curing; Processing fishery products. |
Ano: 1983 |
URL: http://archimer.ifremer.fr/doc/1983/publication-1826.pdf |
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Kempf, Marc; Merceron, Michel; Dosdat, Antoine. |
French marine fish farming deals with several species: sea bass, sea bream, turbot, trout and salmon. In 1992, 20 M fingerlings and 2600 t of fish were produced, for a turnover of 165 MFF: This very technical activity is developing, but still fragile and risky. Environment protection regulation applied to marine fish farming directly inspires from that in force in fresh water, which comes from the industry: i.e. the so-called "classified installation" regulation, concerning activities likely to produce polluting effluents. It does not really adapt to diluted effluents, like fish growing ones, and still less to marine farming; this is true for parameters like biological oxygen demand (BOD) and chemical oxygen demand (COB) and, to a lesser extent, for... |
Tipo: Text |
Palavras-chave: MED; France ANE; France Suspended particulate matter Legislation Production management Environmental protection Fish culture. |
Ano: 1993 |
URL: http://archimer.ifremer.fr/doc/1993/acte-1331.pdf |
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Oliver, Guy; Pichot, Yves; Pichot, Paul. |
The authors study two populations of Serranus cabrilla, one with a yellow color, the other with a deeper color (orange and brown). They try to see if it is eventually possible to join this duality of coloring to a biochemical difference by the electrophoresis of the eye lens proteins. This technique can give useful indications in a taxonomic study. The results of this work could indicate that the species Serranus cabrilla presents two populations which are separating and tending to a specific individualization. This speciation, perhaps, will tend to the individualization of two species that will be named : Serranus cabrilla for the "red combers" and "Serranus flavus for the "yellow combers". |
Tipo: Text |
Palavras-chave: MED; France Serranus cabrilla Population genetics Proteins Electrophoresis. |
Ano: 1980 |
URL: http://archimer.ifremer.fr/doc/1980/publication-1910.pdf |
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Dosdat, Antoine; Kempf, Marc; Merceron, Michel; Paquotte, Philippe. |
Aquaculture in France is characterised by great species diversity. Furthermore, traditional activities (farming of marine shellfish and freshwater fish) coexist with still-developing recent ones (marine fish farming, new pratices in shellfish rearing, etc.). Traditional cultures are the main contributors to the tonnage produced and employment generated. Another noticeable point is the importance of the western part of the country, which carries the main part of the production (> 80 %): the Channel Atlantic coast for shellfish, and nearby rivers for freshwater salmonid farming. On the Mediterranean coast, marine fish farming of bass and bream, as well as shellfish production by new methods (mussels on longlines in open waters), are developing. Important... |
Tipo: Text |
Palavras-chave: MED; France ANE; France France Environmental protection Coastal zone Species diversity Aquaculture. |
Ano: 1993 |
URL: http://archimer.ifremer.fr/doc/1993/acte-1326.pdf |
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Martens, P.M.; Curini-Galletti, M.C.. |
<i>Monocelis longistyla</i> sp.n. from littoral sandy habitats of the Mediterranean is described. The karyotypes of <i>Monocelis fusca, M. lineata</i> and <i>M. longistyla</i> sp.n. were analysed. A basic karyotype for the genus Monocelis is postulated and its probable evolution from the basic karyotype of the family Monocelididae and within the genus is discussed. The karyotype of <i>M. longistyla</i> seems to have evolved from the basic Monocelis karyotype by pericentric inversions. However from the analysis of the karyotype in different populations of <i>M. lineata</i> the species appeared not to be homogeneous (European populations versus the Canadian population). |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal morphology; Karyology; New species; Monocelis longistyla; MED. |
Ano: 1987 |
URL: http://www.vliz.be/imisdocs/publications/241041.pdf |
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Registros recuperados: 35 | |
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