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Cultivation of Chondrus canaliculatus (C. Agardh) Greville (Gigartinales, Rhodophyta) in controlled environments
Edding, M.; Fonck, E.; Acuña, R.; Tala, F. (2008). Cultivation of Chondrus canaliculatus (C. Agardh) Greville (Gigartinales, Rhodophyta) in controlled environments. Aquacult. Int. 16(4): 283-295.
In: Aquaculture International. Springer: London. ISSN 0967-6120, more
Peer reviewed article  

Available in  Authors 

    Algae; Cultivation; Cultivation; Cultivation; Productivity; Productivity; Productivity; Seaweed; Chondrus Stackhouse, 1797 [WoRMS]; Chile [Marine Regions]; ISE, East Pacific Rise [Marine Regions]; Marine
Author keywords
    algae; Chile; Chondrus; cultivation; productivity; seaweed; South EastPacific

Authors  Top 
  • Edding, M.
  • Fonck, E.
  • Acuña, R.
  • Tala, F.

    Increased market demand for algal raw materials has stimulated research and development into new cultivation technologies, particularly in countries with economically important seaweed industries. Chondrus canaliculatus is a red alga endemic to the temperate Pacific coast of South America and produces a complex carrageenan. In Chile, this potential marine resource has been underutilized since the early 1990s, after it was replaced mainly by imports of Kappaphycus and Eucheum from Asia. The study of the cultivation of C. canaliculatus in outdoor tanks demonstrates the potential to produce large quantities of algal material due to the high productivity observed. The material produced may be important in Chile as feed for cultured algal herbivores such as Haliotis spp. Data were obtained on the key factors affecting the growth of this alga, including light, temperature, and nutrient concentrations. The results showed that, on a dry weight basis, productivity varied seasonally between 40 g m-3 wk-1 in autumn and 200 g m-3 wk-1 in spring, and the optimal stocking density in our experiments was 8 kg m-3. Effects of self-shading were among the most important limiting factors in the culture. Discussion is presented on the interactions between temperature, pH, salinity, enrichment with N and P, and water exchange on the maximal growth of C. canaliculatus in this culture.

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