Improved estimates of digestion correction factors and passage rates for harbour seal (Phoca vitulina) prey

Data Type: 
Marine Scotland Data Portal

Scottish Marine and Freshwater Science Vol 7 No 23

Diet composition estimates for pinnipeds are widely conducted using prey hard remains recovered from faeces. To estimate the size and number of prey consumed accurately, digestion correction factors must be applied to measurements and counts of fish otoliths and cephalopod beaks.