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Biologia y ecologia de tres especies de molluscos gasteropodos intermareales: Rissoa parva, Barleeia unifasciata y Bittium reticulatum 2. Crecimiento = Biology and ecology of three species of intertidal gastropods: Rissoa parva, Barleeia unifasciata and Bittium reticulatum 2. Growth
Borja, A. (1987). Biologia y ecologia de tres especies de molluscos gasteropodos intermareales: Rissoa parva, Barleeia unifasciata y Bittium reticulatum 2. Crecimiento = Biology and ecology of three species of intertidal gastropods: Rissoa parva, Barleeia unifasciata and Bittium reticulatum 2. Growth. Cah. Biol. Mar. 28(3): 351-360
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
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    Marine

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Abstract
    The fitting to the von Bertalanffy growth model was researched on three Prosobranch species inhabiting Basque Coast (N. Spain): Rissoa parva, Barleeia unifasciata and Bittium reticulatum. The results are acceptable for R. parva , but for the other species the L infinity values differ of biological data, sometimes being negatives. It is purposed the next equation L sub(t) = a + bt + ct super(2), as a growth model for these species. The growth retard is related to reproduction and winter influence, showing each species different strategies.

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