Preliminary characterization of some Argentinean Artemia populations from La Pampa and Buenos Aires provinces |
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| Authors: | Rosa Graciela Cohen Francisco Amat Francisco Hontoria Juan Carlos Navarro |
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| Institution: | 1. Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
2. Instituto de Acuicultura de Torre de la Sal (CSIC), 12595 Ribera de Cabanes, Castellón, Espa?a
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| Abstract: | Artemia populations were sampled in four hypersaline ecosystems in continental evaporitic basins from the Argentinean provinces of
La Pampa and Buenos Aires. Biometrics of cysts and nauplii were performed. The morphometrics of adult females under standard
culture conditions, studied by multivariate discriminant analysis, provided evidence that these populations belonged to the
speciesA. persimilis; this was further supported by cross-breeding tests established between one of these populations (Salinas Grandes de Hidalgo,
province of La Pampa) and a population ofA. franciscana from San Francisco Bay (California, USA), which showed reproductive isolation and barriers to gene flow between both populations. |
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| Keywords: | Artemia A persimilis biometry cross-breeding |
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