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Article: Trap catch of green sea urchins Strongylocentrotus droebachiensis in kelp beds and barren grounds on the Norwegian coast.(Abstract)
- Article from:
- Journal of Shellfish Research
- Article date:
- December 1, 2008
- Author:
CopyrightCOPYRIGHT 2008 National Shellfisheries Association, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT Field investigations were performed to find out if trap catch could be an alternative to diving to harvest green sea urchins (Strongylocentrotus droebachiensis). Laboratory experiments in y-maze tubes showed that starved sea urchins responded on tree different baits in about one minute, but they did not discriminate between offal of fish (saithe), sea urchin fodder, and lamina of kelp. The trap catch investigations were performed at 0-2.5 m depth in Ytre Karvika in Trotas County and 2-m depth at Hjelmsoya in Finnmark County in autumn 2002 and summer 2003, respectively. Repeated catches 12 times at the same area in Ytre Karvika showed higher catches at the last six ...
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... ... growth. KEY WORDS: sea urchin, roe, Stronglyocentrotus ... droebachiensis INTRODUCTION Sea urchins are fished in coastal ... Increasing demand for sea urchin roe has, in the ... basic approaches to sea urchin culture: the first ... large stocks of sea urchins with ...
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