Visual observations of sei whale abundance from research vessel Yushin-Maru No.3 in the North Pacific Ocean from 2015-07-02 to 2017-08-30 (NCEI Accession 0224056)

This dataset contains visual observations of sei whale abundance from research vessel Yushin-Maru No.3 in the North Pacific Ocean. It provides information for the proposed future in-depth assessment of sei whales in terms of both abundance and stock structure. This is US State Department MSR cruise U2014-038. These data are part of the World Data Services for Oceanography. Data report is in PDF.