[MARMAM] New Publication: Physiological responses of narwhals to anthropogenic noise

Terrie Williams tmwillia at ucsc.edu
Tue Jul 12 09:02:06 PDT 2022

Hello MARMAM community,

My co-authors and I are pleased to share our recent publication that is 
now online in Functional Ecology:

Williams, T.M., Blackwell, S.B.,Tervo, O., Garde, E., Sinding, M.S., 
Richter, B., and Heide-Jørgensen, M.P. (2022) Physiological responses of 
narwhals to anthropogenic noise: A case study with seismic airguns and 
vessel traffic in the Arctic. Functional Ecology, 

This is a companion physiological study to our previous publication 
concerning the behavioral responses of narwhals to seismic airguns (Mads 
Peter Heide-Jørgensen et al. (2021) Behavioral Response Study on Seismic 
Airgun and Vessel Exposures in Narwhals. Frontiers in Marine Science 8, 
doi: 10.3389/fmars.2021.658173). Together these two studies provide a 
comprehensive profile of the reaction of this deep-diving, high Arctic 
cetacean to disturbance.  In this newest physiological study we find 
that geographical isolation makes narwhals exceptionally vulnerable to 
anthropogenic activities now afforded by a larger ice-free Arctic. 
Measurable impacts occur across the entire oxygen pathway from 
respiratory to cardiovascular and locomotory function. Ultimately, 
energetic costs are two-fold greater for narwhals exposed to noise.

Please contact me for further information about this paper. The study 
will also be presented at the upcoming Society for Marine Mammalogy 
Conference in August.

Best Regards,


Terrie M. Williams, PhD

Terrie M. Williams
Department of Ecology and Evolutionary Biology
University of California - Santa Cruz
Santa Cruz, CA 95060
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