Free Content Photosynthetic Responses of the Red Alga, Hypnea Musciformis (Wulfen) Lamouroux (Gigartinales)

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Hypnea musciformis was collected during the summer and winter from a protected estuary and an exposed shore on the west coast of Florida. Apparent or net photosynthetic rates were recorded to determine optimal responses to light intensity, temperature, and salinity. The plants showed broad tolerances to all three factors with high rates of net oxygen production occurring between 15-35‰ salinity. Analysis of variance indicated significant differences in tolerance to light intensity and salinity, but not temperature between plants from the two sites and seasons. Responses of H. musciformis to forty-eight combinations of light intensity, temperature, and salinity were also conducted; the results suggest significant differences in synergistic effect between plants from the two sites. The photosynthetic rates of Hypnea can be used in predictive modeling which is necessary in mariculture.

Document Type: Research Article

Publication date: October 1, 1976

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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