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Registros recuperados: 9
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Assessment of ammonia toxicity in contaminated sediments in the upper Scheldt (Belgium): the development and application of toxicity identification evaluation procedures OMA
Van Sprang, P.; Janssen, C.R.; Sabayasachi, M.; Benijts, F.; Persoone, G..
The toxicity of sediment pore waters from 4 sites in the Upper Scheldt war characterized using modified Toxicity Identification Evaluation (TIE) procedures The samples from all locations exhibited acute toxicity to the freshwater crustacean Thamnocephalus platyurus. The IIE approach was conducted using an enlarged battery of fractionation tests. Toxicity was removed or reduced significantly by the cation exchange resins and the air-stripping test at pH 11. Additionally, increased toxicity war observed at higher pH while a reduced toxicity war found at a decreased pH. From these TIE studies, ammonia war identified as the dominant toxic agent.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metals; River; Toxicants; Water.
Ano: 1996 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=7459
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Changes in the biochemical composition of the early larval stages of the brine shrimp, <i>Artemia salina</i> L. OMA
Benijts, F.; Van Voorden, E.; Sorgeloos, P..
The dried cysts of the brine shrimp <i>Artemia salina</i> are used all over the world as a most convenient source of live crustacean nauplii which are indispensable for the larval stages of many fishes and crustaceans. With the expansion of mariculture, the demand for the resting eggs of <i>Artemia</i> has greatly increased and at certain moments of the year it exceeds the offer. Hence it is even more regrettable that in most mariculture farms a considerable wastage of this precious live food occurs: the nauplii are usually hatched in uncontrolled conditions, and the instar stage at which the <i>Artemia</i> larvae are offered to the predator is not considered and varies from one experiment to another. From fundamental...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artemia salina.
Ano: 1976 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3531
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Comparative study of different geographical strains of the brine shrimp, <i>Artemia salina</i> OMA
Claus, C.; Benijts, F.; Sorgeloos, P..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artemia salina.
Ano: 1977 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3559
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Energetic aspects of the metabolism of hydrated <i>Artemia</i> cysts OMA
Benijts, F.; Vandeputte, G.; Sorgeloos, P..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artemia.
Ano: 1977 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3558
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<i>Artemia salina</i> as live food in aquaculture OMA
Sorgeloos, P.; Baeza-Mesa, M.; Claus, C.; Vandeputte, G.; Benijts, F.; Bossuyt, E.; Bruggeman, E.; Persoone, G.; Versichele, D..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artemia salina.
Ano: 1977 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3557
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Research on the culturing of the brine shrimp <i>Artemia salina</i> L. at the State University of Ghent (Belgium) OMA
Sorgeloos, P.; Baeza-Mesa, M.; Benijts, F.; Persoone, G..
In the framework of research on mariculture at the "Institute for Marine Scientific Research" (IZWO), the "Laboratory for Biological Research in Environmental Pollution" at the State University of Ghent, is focusing on culturing problems of the brine shrimp <i>Artemia salina</i>. The following research topics are discussed: 1. The mechanisms leading to the hatching of <i>Artemia</i> cysts are reviewed and complemented with new data on the sensitivity to light and temperature, and on the reversibility of the development within the cyst. The possible influences of the collecting, sorting, and packaging processes on the quality of the cysts are discussed. 2. Since in the literature much confusion exists concerning the mechanisms...
Tipo: Info:eu-repo/semantics/article
Ano: 1976 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3533
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The effect of low lead and zinc concentrations on the larval development of the mud-crab <i>Rhithropanopeus harrisii</i> Gould OMA
Benijts-Claus, C.; Benijts, F..
Low concentrations of Zn<sup>2+</sup> and Pb<sup>2+</sup> (up to 50 ppb) produce significant delay in the development of the estuarine mudcrab <i>Rhithropanopeus harrisii</i> Gould. It is clear that the effect of lead dominates the effect of zinc with regard to the toxicity of a mixture of the two metals. Some combinations of the two metals, however, neutralize the toxic effect of lead and even accelerates the larval growth.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rhithropanopeus harrisii (Gould; 1841).
Ano: 1975 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3515
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The role of water-sediment interaction, in the Ostend Sluice-Dock with regard to the toxicity of pollutants to invertebrate larvae OMA
Benijts, F.; Versichele, D..
Tipo: Info:eu-repo/semantics/article Palavras-chave: ANE; Belgium; Oostende Harbour; Sluice Dock.
Ano: 1975 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3517
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The use of the brine shrimp (Artemia salina) in aquaculture ArchiMer
Sorgeloost, P.; Baeza-mesa, M.; Benijts, F.; Bossuyt, E.; Bruggeman, E.; Claus, C.; Persoone, G.; Van De Putte, G.; Versichele, D..
In view of the need'for research on the practical use of the brine shrimp Artemia salina in aquaaulture, our research team at the State University of Ghent (Belgium) is studying the following aspects : 1- The automatized mass-culturing of larvae. 2- The controlled production of cysts. 3- The comparative study of geographical strains. 4- The study of the metabolism of the cysts.
Tipo: Text
Ano: 1977 URL: http://archimer.ifremer.fr/doc/00305/41626/40835.pdf
Registros recuperados: 9
Primeira ... 1 ... Última
 

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