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Trap catch of green sea urchins Strongylocentrotus droebachiensis in kelp beds and barren grounds on the Norwegian coast.(Abstract)
Journal of Shellfish Research
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December 1, 2008|
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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, ...
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Red Sea Urchins Discovered to Be One of Earth's Oldest Animals.
News Wire article from: AScribe Science News Service
; ...year-old sea urchin." The more mature red sea urchins, in fact, appear...turning into tiny sea urchins." The red sea urchin, in fact, does...of individual sea urchins and injection...incorporated into the sea urchin skeleton and...
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Sea urchins and humans share substantially more genes than earlier believed
News Wire article from: The Hindustan Times
; ...California purple sea urchin, which they...shows that sea urchins share substantially...discover how sea urchins and humans...genomes. "The sea urchin fills a large...structures in sea urchins and man. "The sea urchin reminds us...
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Co-culture of the sea urchin Paracentrotus lividus and the edible mussel Mytilus edulis L. on the west coast of Scotland, United Kingdom.(Report)
Magazine article from: Journal of Shellfish Research
; ...investigate if enhanced sea urchin survivorship and...resulted from sea urchin-mussel co-culture system. The sea urchins were red four diets...wild stocks of sea urchins. KEY WORDS: Paracentrotus lividus, sea urchin, Mytilus edulis...
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DECODED SEA URCHIN GENOME SHOWS SURPRISING RELATIONSHIP TO HUMANS
News Wire article from: US Fed News Service, Including US State News
; ...Unraveling the sea urchin genome has yielded...differences between sea urchins and humans...ago, the modern sea urchins emerged as dominant...species. The purple sea urchin emerged in the...distant from the sea urchin genome than is...analysis shows that ...
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Effects of experimental harvest on red sea urchins (Strongylocentrotus franciscanus) in northern Washington.
Magazine article from: Fishery Bulletin
; ...management of the sea urchin fishery in Washington...Red sea urchins (Strongylocentrotus...harvested species of sea urchin on the west coast...remainder being green sea urchins (S. droebachiensis...The Washington sea urchin fishery currently...
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Developing a growth-transition matrix for the stock assessment of the green sea urchin (Strongylocentrotus droebachiensis) off Maine.
Magazine article from: Fishery Bulletin
; ...dynamics model for the sea urchin stock should provide...is needed for the sea urchin fishery because sea urchins are difficult to...matrix for the Maine sea urchin stock that can capture...associated variation for sea urchins of different sizes...
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In Two Sea Urchins, Evolutionary Insights; Biologists' Hybrid Species Suggests a Previously Unknown Role for Embryos and That Change Comes in Bursts
Newspaper article from: The Washington Post
; ...interest in two similar, yet distinct, species of sea urchin. Sea urchins are members of the echinoderm family, making them...adulthood in a fundamentally similar way, the Raffs' two sea urchin species follow radically different paths to maturity...
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Roe enhancement in sea urchin: effects of handling during harvest and transport on mortality and gonad growth in Strongylocentrotus droebachiensis.
Magazine article from: Journal of Shellfish Research
; ...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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Sensory quality of gonads from the green sea urchin, Strongylocentrotus droebachiensis, fed different diets.
Magazine article from: Journal of Shellfish Research
; ...characteristics of green sea urchin (Strongylocentrotus...gonads from wild sea urchins. Gonad growth...from those of wild sea urchins, but there was...sensory quality, sea urchin, Strongylocentrotus...droebachiensis INTRODUCTION Sea urchins are fished ...
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Nursery-phase culture of green sea urchin Strongylocentrotus droebachiensis using "on-bottom" cages.(Report)
Magazine article from: Journal of Shellfish Research
; ABSTRACT Sea urchin hatchery techniques...Juvenile green sea urchins (Strongylocentrotus...INTRODUCTION Worldwide, sea urchin gonads are one...Service 2008). Sea urchins are also important...Cage grow-out of sea urchins is currently being...as a method of ...
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