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Histoire de Sciences: évolution des idées sur les mécanismes des migrations des poissons téléostéens amphihalins = Migration mechanisms of amphihaline fishes (Pisces, Teleostei)
Fontaine, M. (1996). Histoire de Sciences: évolution des idées sur les mécanismes des migrations des poissons téléostéens amphihalins = Migration mechanisms of amphihaline fishes (Pisces, Teleostei). Cah. Biol. Mar. 37(2): 169-179
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
Peer reviewed article  

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Keywords
    Marine; Fresh water

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  • Fontaine, M.

Abstract
    It has long been considered that amphihaline fish (e.g. Eels, Salmons) are guided in their migrations by certain tropisms. The difficulties encountered in the adoption of this concept will be described. It seems that these migrations must be divided into several stages during which the corresponding behaviours can differ greatly. These behaviours are usually due to the presence or absence of conflicting relationships between environmental conditions and physiological states (expressions of the genetic programme) which can be modulated by certain environmental factors. These relationships are the cause of certain tropisms, but they are not always responsible for the migratory behaviour which follows. Lastly certain problems still remaining will be evoked for the history of sciences must pave the way for future research.

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