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Contact: Shelly Leachman
University of California - Santa Barbara

An Urchin Barren

Caption: An urchin barren, pictured, is the result of unchecked population growth among sea urchins, causing destructive and widespread grazing of kelp forests.

Credit: Ron H. McPeak/UC Regents*

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Related news release: New study to examine ecological tipping points in hopes of preventing them

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