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  1. 901

    Control reproductivo y larvario del catan (Atractosteus spatula) by González Lázcarí, Martín

    Published 2006
    “…Several aspects have hindered the successful reproduction of adult alligator gar, such as their short natural reproductive season, restricted to only a week per year, the mean age of the breeders, estimated in 15 years, the fact that females cannot be cannulated to determine their sexual maturity and first and foremost because of the impossibility to distinguish males from females, which prevents the establishment of an adequate sex proportion required for optimal fertilization. …”
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    Tesis
  2. 902

    Estudio geobiológico de la formación La Virgen y sus facies transicionales en los Potreros de Menchaca y La Virgen, Coahuila. by Gutiérrez Alejandro, Alejandra Guadalupe

    Published 2018
    “…Even when this formation was identified and described more tan 50 years ago in pioneer geological studies in northeastern Mexico, and the fact that it is a well-exposed sedimentary unit outcropping in several localities in Coahuila and Chihuahua, the Virgen Formation has remained scarcely studied, especially under a biosedimentological perspective. …”
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  3. 903

    Control reproductivo y larvario del catan (Atractosteus spatula) by González Lázcarí, Martín

    Published 2006
    “…Several aspects have hindered the successful reproduction of adult alligator gar, such as their short natural reproductive season, restricted to only a week per year, the mean age of the breeders, estimated in 15 years, the fact that females cannot be cannulated to determine their sexual maturity and first and foremost because of the impossibility to distinguish males from females, which prevents the establishment of an adequate sex proportion required for optimal fertilization. …”
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    Tesis
  4. 904

    Monográfico Migraciones internacionales: procesos de incorporación en Iberoamérica by Aliaga Sáez, Felipe, Gissi Barbieri, Nicolás, Padilla, Beatriz

    Published 2020
    “…En este texto, a través de trabajo de campo y entrevistas en profundidad, se analiza la migración haitiana en Chile, comprendiendo desde sus subjetividades las vulnerables relaciones que establecen con los distintos actores con que interactúan en la vida cotidiana y el papel que juegan en la paulatina transformación de espacios sociales y laborales.El texto de Beatriz Padilla y Thais França, “Tres décadas después… evolución de las políticas de incorporación de inmigrantes en Portugal: una nueva lectura”, discute la evolución de las políticas portuguesas de incorporación de inmigrantes, desde la década de 1980 hasta la legislación actual de 2018. …”
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    Article
  5. 905

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