The Effects of sea otters ( Enhydra lutris) on abalone (Haliotis spp.) populations
Jane Watson ‘s 2000 report to NRC Canada, with a thankyou note to Ecological reserves. It includes the status of sea otter populations and the effects on abalone and the history of abalone fisheries within the historic range of sea otters.
See the PDF: watson_2000_effects_of_sea_otters_on_abalone_nrc