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

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2020-08-30T00:00:00Z
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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