The noise we make

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The CODCAST

Shaye Ogurek

4 episodes

5 months ago

This four episode podcast series explores the discovery of a sound. It is a faint but distinct sound produced by a fish, the Arctic cod. Only recently have scientists realized how important sound is in the lives of fishes. The Arctic cod was never thought of as a sound producing, or soniferous species, until researchers from the Juanes Lab put a recording device in an Arctic cod tank. The sound they heard was clearly biological, produced by the fish in the tank, and is now known as a 'grunt'. This one discovery launched a multi-year investigation into the sound producing ability of this species. Why do they produce sound? How do they produce sound? When do they produce sound? Is noise pollution interfering with their sound production in the wild? These are the questions this series will dive into, getting accounts from the investigating scientific team, bioacousticians, and fish sound experts. This series also explores noise pollution in the ocean more broadly, and how it is affecting not just fish, but all sound producing marine species.

Nature

Science

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Nature

Science

The noise we make

The CODCAST

17 minutes

6 months ago

The noise we make

This episode explores the rising impact of anthropogenic – or human caused – sound in the ocean. Experts in underwater noise are interviewed about how increasing noise pollution is affecting not only Arctic cod but all animals that call the ocean home.

The Codcast is produced by John William Last, in association with the Juanes Lab at the University of Victoria.

Episode Highlights:
- Identifying activities that cause human made noise in the ocean
- Exploring how human-made noise affects fish
- Will increasing noise in the Arctic effect Arctic cod?

Researchers Interviewed:

Matt Pine: Matt Pine completed his PhD at the University of Auckland in New Zealand before completing post-doctoral fellowships in bioacoustics at the Chinese Academy of Sciences and the University of Victoria in British Columbia. He is now Director of Ocean Acoustics Ltd, Honorary Research Fellow at the Institute of Life and Earth Sciences at Heriot-Watt University in the UK and Principal Scientist at Styles Group Underwater Acoustics in Auckland, NZ, where he continues research in marine bioacoustics and creates real-time AI buoys for tracking marine mammals. Matt Pine Website (https://mattpineresearch.weebly.com/about.html)

Francis Juanes: Francis Juanes is the Liber Ero Chair for Fisheries Research and a Professor at the University of Victoria. Francis’ interests lie at the intersection of behaviour, ecology and conservation of fishes and marine invertebrates. His team studies underwater soundscapes with a focus on quantifying the effects of noise on fish and marine mammal communication, and also investigates the early life of Pacific salmon once they have entered the ocean. Juanes Lab Website (https://juaneslab.weebly.com/)

Craig Radford: Craig Radford Obtained a PhD from Waipapa Tuamata Rau University of Auckland and currently a Professor of Marine Science in the Institute of Marine Science at the same University. I am world leader in soundscape ecology and understanding how marine animals (namely fish and crustaceans) sense and use underwater sound. My research involves a multi-disciplinary approach, involving physics, physiology, anatomy, and behaviour. Craig Radford, University of Auckland (https://profiles.auckland.ac.nz/c-radford)

Additional resources:

Learn more about (ocean noise and why it’s important https://www.uvic.ca/news/archive/topics/2021+ocean-noise-study+news)

Read about the results of a (meta-analysis on the effect of aquatic noise on fish behaviour and physiology https://www.uvic.ca/news/archive/topics/2018+aquatic-noise-kieran-cox-francis-juanes+media-release)

Explore the University of Rhode Island’s (Sound in the Sea project. https://dosits.org/)

The production of this podcast is an outreach initiative part of the core (NPRB funded research project 2103: Passive Acoustic Monitoring of Arctic cod (Boreogadus saida): seasonality and demography of their sound production https://nprb.org/project-search/#metadata/d97512b8-c9ef-4751-bb14-477697dd9426/project)

Learn more about (John William Last https://www.linkedin.com/in/john-william-last-30aab034/?originalSubdomain=it), the producer of the Codcast