Data and code supporting "Impact of Fishery Observer Protocol on Estimated Bycatch Rates of Marine Mammals", K. Precoda, C.D. Orphanides, 2024, ICES Journal of Marine Science.

Zip file includes:-data on observed bycatch of grey seals, harbor seals, and harbor porpoise in gillnets in the US northwestern Atlantic, 1994-2019. The data includes species, animal condition, animal entanglement situation, month and year, soak duration in hours, average gillnet mesh size in inches, whether tiedowns were used, unique trip and haul identifiers, and observer protocol (C=fish-focused, L=mammal-focused). Codes for animal condition and entanglement are explained in the output file produced by the R code.-R code used to perform the analyses and create figures for the paper -Output of the R code