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Tag: shark management

Long live sharks and rays!

Posted on October 9, 2017 By Guest Writer
Science

Alastair Harry is a fisheries science practitioner based in Perth, Australia. He assists in implementing ecosystem based fisheries management to support the sustainable use of wild-capture fish resources. He is a generalist and works across multiple areas including stock assessment, bycatch, and threatened species. He also holds an adjunct position at James Cook University and has a specific interest in the conservation and sustainable management of sharks and rays. 

In August I published a review paper entitled Evidence for systemic age underestimation in shark and ray ageing studies. In it I suggest that many sharks and rays live considerably longer than is currently recognised. This increased life expectancy isn’t due to medical advancements or a more nutritious diet (or even better fisheries management), but rather the result of ageing error.

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Securing the Conservation of Sharks and Rays

Posted on October 10, 2011October 9, 2011 By David Shiffman 5 Comments on Securing the Conservation of Sharks and Rays
Conservation, Science

At the 2nd International Marine Conservation Congress, Dr. Nick Dulvy and the IUCN Shark Specialist Group organized a special symposium called “Securing the Conservation of Sharks and Rays”. This symposium featured leading scientists, international policy experts, the founder of a creative non-profit, a National Geographic conservation photographer… and me. It was, without a doubt, the greatest professional honor of my (admittedly brief so far) career.

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Indian Ocean Tuna Commission Rejects Shark Conservation Policies

Posted on March 24, 2011 By David Shiffman 1 Comment on Indian Ocean Tuna Commission Rejects Shark Conservation Policies
Conservation, Science

Last week, the Indian Ocean Tuna Commission held their annual meeting in Sri Lanka. As one of the few international fisheries policy organizations in the region, the IOTC is also responsible for management of billfish and sharks. Several new shark conservation policies were proposed this year. These included species-specific protections for hammerhead and oceanic whitetip sharks, closing loopholes in existing policies that ban finning sharks and discarding the bodies at sea, and requiring fishermen to collect and report more types of data on their shark bycatch. All of these proposals were rejected.

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