International study on Artemia XLIX. Salinity effects on survival,maturity, growth,biometrics, reproductive and lifespan characteristics of a bisexual and a parthenogenetic population of Artemia |
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Authors: | George V Triantaphyllidis Kiriaki Poulopoulou Theodore J Abatzopoulos César Antonio Pinto Pérez Patrick Sorgeloos |
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Institution: | (1) Laboratory of Aquaculture & Artemia Reference Center, University of Ghent, Rozier 44, B-9000 Ghent, Belgium;(2) School of Sciences, Department of Botany & Zoology, University of Athens, GR-15771 Athens, Greece;(3) Faculty of Sciences, School of Biology, Department of Genetics, Development and Molecular Biology, Aristotle University of Thessaloniki, GR-540 06 Thessaloniki, Greece |
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Abstract: | Two Artemia populations, a bisexual from San Francisco Bay (California, USA) and a parthenogenetic from Tanggu area (Tianjin province, People's Republic of China) are assayed for their tolerance and fitness in various salinity levels. This study was carried out under laboratory conditions where salinity effects upon special characteristics of the two Artemia populations, such as survival, growth rate, maturation, morphology, fecundity and life duration, were recorded. This evaluation revealed that the two populations examined exhibits significant differences in their response against elevated salinity levels. Furthermore, specific biometric parameters can be a useful tool for the discrimination and/or determination of their distribution in a mixed population, which, in fact, is the case in Tanggu salt works. Artemia franciscana seems to be a more effective colonizer at higher salinities. The data presented in this study may generate useful suggestions for proper management of the solar saltworks at Tanggu although further experimentation is needed.International interdisciplinary study on Artemia populations coordinated by the Laboratory of Aquaculture & Artemia Reference Center, University of Ghent, Belgium. |
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Keywords: | Artemia salinity effects biometry reproductive & lifespan characteristics |
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