SALTONSTALL KENNEDY GRANT PROGRAM
Nori Cultivation: Physiological Ecology of....
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GRANT NUMBER:  NA66FD0044           NMFS NUMBER:  95-AKR-003

REPORT TITLE:  Nori Cultivation: Physiological Ecology of Native Alaskan Porphyra Species

AUTHOR:  Stekoll, Michael S. and Lindstrom, Sandra C.

PUBLISH DATE:  March 3, 1997

AVAILABLE FROM:  National Marine Fisheries Service, Alaska Region, 709 W. 9th Street, 4th Floor, P.O. Box 21668, Juneau, AK 99801.   PHONE: (907) 586-7280

ABSTRACT

Research was carried out on the physiological ecology of species of Porphyra from southeast Alaska. Species were collected from various field sites near Juneau, Sitka, Metlakatla and Kachemak Bay. Conchocelis cultures were started and maintained as both free and shell cultures. Environmental conditions for conchocelis maturation and spore release were investigated.  Growth experiments were carried out on the microscopic conchocelis phase of three species. Multi-factorial experiments assessed the interactive effects of light intensity, salinity and temperature on growth. Preliminary experiments that investigated the effects of light intensity, salinity, temperature and nutrients on the growth of young Porphyra torta blades were performed. Porphyra torta was outplanted during the summer and fall. Some efforts were made for outreach and technology transfer with Alaskan native organizations. It is anticipated that the project will require at least an additional year of work before objectives are met.

 
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