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Improved estimates of digestion correction factors and passage rates for harbor seal ( Phoca vitulina ) prey in the northeast AtlanticNARA Subscribed
Diet composition in pinnipeds is widely estimated using hard prey remains recovered from feces. To estimate the size and number of prey represented in fecal samples accurately, digestion correction factors ( DCF s) must be applied to measurements and counts of fish otoliths and cephalopod beaks. In this study, 101 whole prey feeding trials were conducted with six harbor seals ( Phoca vitulina ) and 18 prey species. We derived...
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