Update of biomass estimate through Japanese fishery independent survey for Pacific saury in 2019
To estimate biomass of Pacific saury in the North Pacific, fishery independent surveys by Japanese scientific research vessels were conducted in 2019. The method to calculate the biomass was based on Kidokoro et al. (2018). Estimated biomass was 1,646 thousand metric tons which was about 70％ of that in 2018.
Document Number
NPFC-2019-SSC PS05-WP08
Document Version
1
Agenda Item
Review of outcomes of Japanese biomass survey including 2019 estimate