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San Nicolas Island California black abalone feeding observations, 1982-2019

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:34 PM | Dataset Last Updated: August 30, 2020 at 12:00 AM
These data provide observations of food items observed held by anterior foot of black abalone (presumably for feeding) at 9 different sites in the rocky intertidal zone around San Nicolas Island, California. Observations were made at low tide while censusing the population on permanently marked transects over a 26 year time period. Also included are some associated abalone size data.

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