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Cetacean and Seabird Data Collected During the Hawaiian Islands Cetacean and Ecosystem Assessment Survey (HICEAS), July–December 2023

May 05, 2025

HICEAS 2023 surveyed approximately 20,200 km of trackline over 145 days at sea aboard NOAA Ships Oscar Elton Sette and Reuben Lasker.

During summer and fall 2023, the Pacific Islands and Southwest Fisheries Science Centers conducted a comprehensive line-transect survey for cetaceans and seabirds within the U.S. waters surrounding the Hawaiian Islands. The Hawaiian Islands Cetacean and Ecosystem Assessment Survey (HICEAS) 2023 project was conducted as part of the Pacific Marine Assessment Program for Protected Species 2.0, the second partnership between NOAA Fisheries and the Bureau of Ocean Energy Management (BOEM). 


Yano KM, Oleson EM, McCullough JLK, Hill MC, Bradford AL, Joyce, TW, Suca, JJ, Whitney, JL,Henry AE 2025. Cetacean and Seabird Data Collected During the Hawaiian Islands Cetacean and Ecosystem Assessment Survey (HICEAS), July-December 2023 U.S. Dept. of Commerce, NOAA Technical Memorandum NOAA-TM-NMFS-PIFSC-175, 143 p.
https://doi.org/10.25923/wmrn-8s61

Last updated by Pacific Islands Fisheries Science Center on 05/05/2025