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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.
The data set includes feeding observations of black abalone (Haliotis cracherodii) at long-term intertidal monitoring sites around San Nicolas Island, California from 1982 - 2019. This includes site locations, sites, date of observation, observed food items, and abalone shell length when available. Seasonal (spring and fall) GIS maps of giant kelp (Macrocystis pyrifera) canopy distributions from the waters surrounding San Nicolas Island in 1981-1992 are also provided. These data support the following publication: Vanblaricom, G.R. and Kenner, M.C., 2020. Dietary Patterns in Black Abalone Haliotis cracherodii Leach, 1814 as Indicated by Observation of Drift Algal and Seagrass Capture at San Nicolas Island, California,...
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