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Sea stars eat sea urchins, and although the sea stars have slowly started to recover, the urchin population has grown dramatically. “It’s sort of like a perfect storm where we just had a blast ...
Since then, crowds have gathered to watch the otter groom itself and eat purple sea urchin. Sea otters were hunted to near extinction by traders in the 18th and 19th centuries, the Fish and ...
Behavioral responses across a mosaic of ecosystem states restructure a sea otter–urchin trophic cascade. Proceedings of the National Academy of Sciences , 2021; 118 (11): e2012493118 DOI: 10. ...
Shellfish and sea urchin populations took off. Sea otters were re-introduced into parts of the Pacific coast in the late 1960's and 1970's, and since then the otters have been flourishing.
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