Recommended metrics for quantifying underwater noise impacts on North Atlantic right whales

Emmaline Marotte, Andrew J. Wright, Heather Breeze, Jessica Wingfield, Leanna P. Matthews, Denise Risch, Nathan D. Merchant, David Barclay, Clair Evers, Jack Lawson, Veronique Lesage, Hilary Moors-murphy, Veronique Nolet, James A. Theriault

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


Anthropogenic underwater noise has been identified as a potentially serious stressor for the critically endangered North Atlantic right whale (NARW). The Government of Canada is undertaking steps to better characterize the noise sources of most concern and their associated impacts, but there is currently an insufficient understanding of which noise sources are most impacting NARW in their Canadian habitat. This knowledge gap together with the myriad possible methods and metrics for quantifying underwater noise presents a confounding and challenging problem that risks delaying timely mitigation. This study presents the results from a 2020 workshop aimed at developing a series of metrics recommended specifically for better characterizing the types of noise deemed of greatest concern for NARW in Canadian waters. The recommendations provide a basis for more targeted research on noise impacts and set the stage for more effective management and protection of NARW, with potential conservation applications to similar species.
Original languageEnglish
Article number113361
Number of pages10
JournalMarine Pollution Bulletin
Early online date22 Jan 2022
Publication statusPublished - 1 Feb 2022


  • North Atlantic right whale
  • Metrics
  • Underwater noise
  • Impacts
  • Management
  • Canada


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