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Characterization of <i>Artemia</i> from different localities in Tunisia with regard to their use in local aquaculture OMA
Van Ballaer, E.; Versichele, D.; Vanhaecke, P.; Léger, P.; Ben Abdelkader, N.; Turki, S.; Sorgeloos, P..
<i>Artemia</i> cysts have been collected from different saltworks and natural salt lakes in Tunisia. The cyst material was processed and used for the following characterization analyses: cyst and naupliar biometrics, cyst hatching characteristics, fatty acid pattern of the nauplii, nutritional value of the nauplii for mysid shrimp, naupliar growth rate and temperature resistance, mode of reproduction, and characterization of sibling species. The cross-breeding tests and cyst biometrics reveal that only <i>Artemia tunisiana</i> occurs in Tunisia. Although quality improvements may be expected through improved harvesting, Tunisian <i>Artemia</i> have acceptable hatching characteristics and are a good food for mysid shrimp....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artemia; Tunisia.
Ano: 1987 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3207
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Occurence of harmful dinoflagellates in the punic harbors of Carthage (Gulf of Tunis) and their correlations with the physicochemical parameters OceanDocs
Aissaoui, A.; Turki, S.; Ben Hassine, O. K..
Afin de fournir une meilleure idée sur la structure et la dynamique de la communauté des dinoflagellés et leurs relations avec les paramètres environnementaux dans les zones semi-fermées en communication avec le golfe de Tunis, une étude a été réalisée dans les ports puniques de Carthage afin d’estimer les densités et la dynamique des espèces de dinoflagellés ainsi que les variations des concentrations en nutriments, de janvier à juin 2006. Un nombre de 66 espèces de dinoflagellés ont été identifiés dont 14 espèces sont connues pour être nocives et responsables d’efflorescences nuisibles alors que 21 espèces sont connues pour être productrices de toxines. L'analyse statistique nous a permis de révéler des corrélations significatives entre les densités de...
Tipo: Journal Contribution Palavras-chave: Parameters; Nutrients (mineral); Coastal environment; Plankton; Nutrients; Plankton.
Ano: 2012 URL: http://hdl.handle.net/1834/5318
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Suivi des microalgues planctoniques toxiques dans les zones de production, d'élevage des mollusques bivalves et d'exploitation des oursins du nord de la Tunisie OceanDocs
Turki, S..
Within the monitoring program in the shellfish and urchin harvesting areas of the North of Tunisia, the harmful microalge detected during the period from September 1996 to September 2003, were: <Dinophysis> spp and <Prorocentrum lima> which are associated to the production of diarreheic toxins or DSP (Diarrheic Shellfish Poison). These microalgae were occurred particularly in semi-enclosed areas like the North lake of Tunis and the lake of Bizerte while toxic phytoplanktonic species were in general absent along the coasts of the Bizerte zone and western coasts of the gulf of Tunis, from Kalaât El Andalous to Raoued. Bioassay tests recorded positively on clams were attributed mostly to the presence of these microalgae in the plankton,...
Tipo: Journal Contribution Palavras-chave: Tests de toxicité; Nord de la Tunisie <; Prorocentrum lima>; <; Dinophysis>; Bioassays Phytoplankton Testes Planktonic algae Bioassays Phytoplankton Testes Algae http://aims.fao.org/aos/agrovoc/c_15731 http://aims.fao.org/aos/agrovoc/c_13344 http://aims.fao.org/aos/agrovoc/c_7682 http://aims.fao.org/aos/agrovoc/c_258.
Ano: 2004 URL: http://hdl.handle.net/1834/1168
Registros recuperados: 3
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