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Desarrollo de carposporas de Gracilaria chilensis (Rhodophyta, Gracilariales) de acuerdo a la densidad de fijacion = First development stages of carpospores of Gracilaria chilensis (Rhodophyta, Gracilariales) at different density of attachment
Herrera, P.; Véjar, F.; Alveal, K. (1997). Desarrollo de carposporas de Gracilaria chilensis (Rhodophyta, Gracilariales) de acuerdo a la densidad de fijacion = First development stages of carpospores of Gracilaria chilensis (Rhodophyta, Gracilariales) at different density of attachment. Gayana Oceanol. 5(1): 41-48
In: Gayana Oceanológica. Universidad de Concepcion. Facultad de Ciencias Naturales y Oceanograficas: Concepción. ISSN 0716-9655, more
Peer reviewed article  

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  • Herrera, P.
  • Véjar, F.
  • Alveal, K.

Abstract
    Patterns of development of Gracilaria chilensis (Bird, McLachlan & Oliveira)carpospores were studied through the different densities of sporelings growing.The carpospores were released from pieces of mature cistocarps suspended at 2,4 and 6 cm above the slides giving different degrees of aggregation. The growthwas controlled throughout forty days measuring density of fixation, distancebetween germination disc, disc diameter and microthalli length. The resultslope between 37°S and 43°S during May-July and would spawn on the slope during winter. The Southpatagonic Stock (SPS), the largest and which supports the highest fishery pressure, is distributed in the area between 43°S and 50°S during February-May and its spawning would take place in the slope area during autumn. Adults of both stocks reach large sizes (25-39 cm ML), and their p

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