A new method for cultivation of the carragenophyte and edible red seaweed Chondracanthus chamissoi based on secondary attachment disc: Development in outdoor tanks

Cristian Bulboa, Karina Véliz, Felipe Sáez, Cristian Sepúlveda, Lorena Vega, Juan Macchiavello

Resultado de la investigación: Contribución a una revistaArtículo

16 Citas (Scopus)

Resumen

Chondracanthus chamissoi is a carragenophyte and edible red seaweed which is harvested from its natural habitat, and which, in recent years, has been diminishing along the Chilean coast. It is in this location that a new technique for the vegetative propagation of C. chamissoi by secondary attachment disc (SAD) was evaluated for the first time. In order to achieve this, SAD development was seasonally analyzed on natural and artificial substrata submitted to different water exchange and nutrient enrichment conditions. Cystocarpic and vegetative thalli were able to reattach and develop SADs during winter and summer under all tested conditions. However, higher values were observed in vegetative thalli cultivated in the winter. The size of shoots formed from SADs was higher in summer than in winter, varying in length between 0.2 and 5.4. mm after 40. days of cultivation. A continuous seawater exchange was the appropriate condition for SAD development whereas nutrient enrichment was not necessary. High adaptability of these structures to outdoor conditions was observed, as expressed in high survival rates of SADs. This study shows the technical feasibility of culturing C. chamissoi by means of SADs, which could be an alternative to spore and macrofragmentation strategies.

Idioma originalInglés
Páginas (desde-hasta)86-94
Número de páginas9
PublicaciónAquaculture
Volumen410-411
DOI
EstadoPublicada - 10 oct 2013

    Huella digital

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  • Ciencias acuáticas

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