Abstract
The marine red alga Iridaea cordata (Turner) Bory, a carrageenan producer, was grown in a semi-closed culture system in which agitation was provided by aeration. Factors regulating the growth and conditions favoring optimum productivity in such a culture system were studied. The factors studied included plant size, rate of flow of sea water, ratio of biomass to surface area, and light intensity. Yield/surface area in such a culture system (5700 kcal/m 2/yr or 1950 g ash free dry matter/m 2/yr) can exceed that of natural populations by six-fold. Such a culture system also provides a novel means of assessing the growth and potential productivity of large benthic seaweeds.
Published Version
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More From: Journal of Experimental Marine Biology and Ecology
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