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Oyster farming in Japan

Austernzucht in Japan

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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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

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