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Oyster farming in Japan
Austernzucht in Japan
Helgoländer wissenschaftliche Meeresuntersuchungen volume 20, pages 464–479 (1970)
Kurzfassung
In Japan nahm die Austernzucht ihren Anfang zu Beginn des 17. Jahrhunderts. Seither sind die Zuchtverfahren wesentlich verbessert und wissenschaftlich überprüft worden. Die wichtigste in Japan kultivierte Auster istCrassostrea gigas. Der gegenwärtige Stand der Methodik, Produktivität und Wirtschaftlichkeit der japanischen Austernzucht wird dargelegt. Einige biologische und zivilisatorische Schadensgefahren sowie zukünftige Probleme, die sich bezüglich einer Intensivierung der Austernzucht ergeben, werden erörtert.
Summary
1. The present status of oyster farming in Japan is reviewed.
2. The biology of the oysterCrassostrea gigas, a main farming species in Japan, is briefly discussed, especially in regard to spawning.
3. The farming procedures are described with special reference to suitable farming conditions, spat collecting methods, techniques and facilities for fattening (growth), and seasonal activities.
4. The yield rate of Japanese hanging methods are discussed in comparison with methods and yields of other countries.
5. Some important future problems are discussed: the need to preserve growth fields against deterioration; the need to simplify the procedures to save labor; and the need to protect farming sites from pollutants.
Literature cited
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Galtsoff, P. S., 1964. The American oyster,Crassostrea virginica Gmelin.Fishery Bull. Fish Wildl. Serv. U.S. 64, 1–480.
Ogasawara, Y., Kobayashi, U., Okamoto, R., Furukawa, A., Hisaoka, M. &Nogami, K., 1962. The use of the hardened seed oyster in the culture of the food oyster and its significance to the oyster culture industry. (Jap. with Engl. summary)Bull. Naikai reg. Fish. Res. Lab.19 (103), 1–153.
Ryther, J. H. &Bardach, J. E., 1968. The status and potential of aquaculture. Vol. 1. Invertebrate and algae culture. 2. Fish culture. Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. (Design.: PB 177-767/768).
Sato, T., 1967. Oyster culture. Aquaculture. Koseisha-koseikaku, Tokyo.
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Fujiya, M. Oyster farming in Japan. Helgolander Wiss. Meeresunters 20, 464–479 (1970). https://doi.org/10.1007/BF01609922
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DOI: https://doi.org/10.1007/BF01609922