Update to Assessing the Population-level Impacts of North Pacific Loggerhead and Western Pacific Leatherback Turtle Interactions, inclusion of the Hawaii-based Deep-set and American Samoa-based Longline Fisheries

This NOAA Technical Memorandum (TM) is intended to be read as part II of NOAA Technical Memorandum NMFS-PIFSC-95, February 2020, Assessing the Population-level Impacts of North Pacific Loggerhead and Western Pacific Leatherback Turtle Interactions in the Hawaii-based Shallow-set Longline Fishery (Martin et al. 2020). The overarching methods, marine turtle demographic data, and estimates on abundance and trends in this TM were used and developed for the Hawaii-based shallow-set longline fishery. Herein, we adapted the models to apply them to the Hawaii-based and American Samoa-based deep-set longline fisheries (DSLL and ASLL fisheries, respectively). This TM is largely an update to the methods to address partial observer coverage in the deep-set longline fisheries, as well as a presentation of new results. The two TMs should be read together and viewed in unison to understand the impacts of the shallow and deep-set longline fisheries in Hawaii and American Samoa. 2020 NMFS (National Marine Fisheries Service) PIFSC (Pacific Islands Fisheries Science Center) Submitted https://doi.org/10.25923/pnf2-2q77 Public Domain 1864