Role of Mariculture in the Canadian Seaweed Industry

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Abstract
Natural stocks of Canadian marine algae serve as sources of raw material for the alginate, carrageenan, and food seaweeds industries. The large stocks of seaweed on both coasts of Canada have stimulated investigations by workers involved in a wide range of disciplines. In recent years, the results of seaweed surveys and scientific investigations have led to the development of seaweed cultivation techniques which are assuming a commercial orientation. Commercial seaweed cultivation in Canada is in the early stages of development. Although Canadian cultivation techniques draw on Japanese cultivation techniques to some extent, the Canadian work has a number of characteristic features which stem from the economic and environmental features prevalent in the area. Canadian cultivation techniques tend to emphasize vegetative propagation in enclosures. The Canadian techniques tend to be intensive and have a low labor content. The significance of mariculture within the context of a total Canadian seaweeds industry is discussed.

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