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Articles sur Sharks
Affichage de 141 à 160 de 212 articles
Some things that develop as normal in elephant sharks and other marine life can mimic things we see in human disease. That makes these ‘mutants’ ideal for study to find out why things go wrong in humans.
A recent increase in shark encounters has prompted New South Wales to investigate new technologies.
Sharks and other ocean predators help protect the ocean’s carbon stores by keeping other wildlife in check.
A recent cluster of dangerous encounters with sharks in New South Wales has raised new concerns among the public.
More research may not necessarily prove to be the answer to shark attacks. Instead, we should look at programs that are already working, such as aerial patrols.
Calls are growing louder for a shark cull in New South Wales. But like in Western Australia, which infamously experimented with culling last year, a NSW cull would harm sharks while failing to protect people.
The recent shark attack was enough to convince Australian surfer Mick Fanning that the colour of his surfboard may have been a factor. But what do sharks actually see in the water?
What lies behind shark safety methods.
A rash of white shark attacks this summer points to a rebounding population in the US – a sign of healthier oceans and the need to coexist with this apex predator.
Although frightening, the footage of Mick Fanning at Jeffreys Bay is a reminder that sharks are present in the oceans, and that the vast majority of interactions between people and sharks end without fatality or injury.
Millions tune in to Shark Week each year, but many walk away with the wrong impressions.
The celebrated movie inspired a generation of marine biologists to go in the water.
We used to think of sharks as primitive fish because the had cartilage instead of bones. Turns out there was a good reason why and it makes them anything but primitive.
The Great Barrier Reef is home to some 1,600 species of bony fish, 130 sharks and rays, and turtles, mammals and more. Most have had no population monitoring, meaning we don’t know how well they are faring.
Flake is great with steaming hot chips. But what fish species is it, and is it sustainable? In Australia, it’s mainly gummy shark, which is a sustainable choice. But beware poorly labelled imitations.
The stats for 2014 have been compiled and shark attacks and fatalities are down worldwide. The numbers are truly tiny. Why do we fixate on this vanishingly rare possibility?
Divers at the famed Cocos site off Costa Rica record declines in a number of shark species – a sign that marine preserves are limited protection against illegal fishing.
A decade ago, we set out to unravel deep ocean crime scenes we weren’t even sure existed. The crime? Endangered Steller sea lions were rapidly disappearing in parts of Alaska. Their numbers dropped by…
When I used to tell people that I did my PhD on the politics of shark attacks, they would ask, “Is there a politics to shark attacks?” Nobody asks that any more. Now they just say, “Oh, like in Western…
Les contributeurs les plus fréquents
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Lecturer in Public Policy, University of Sydney
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Wen Family Chair in Conservation, The University of Western Australia
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Marine Biologist, South African National Parks (SANParks); Honorary Research Associate, South African Institute for Aquatic Biodiversity (SAIAB), South African Institute for Aquatic Biodiversity
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Senior Lecturer in Geography, University of Wollongong
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Professor in Marine Fisheries Ecology, Macquarie University
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Shark biologist, The University of Western Australia
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PhD graduate, University of Southampton
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Doctoral School Programmes Manager, Nottingham Trent University
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Faculty Research Associate in Marine Biology, Arizona State University
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Director, Florida Program for Shark Research and Coordinator of Museum Operations, Florida Museum of Natural History, University of Florida
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Director, Florida Program for Shark Research, University of Florida
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Executive Dean of the College of Arts, Sciences & Education and Professor of Biological Sciences, Florida International University
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Senior Lecturer, School of Environment and Science, Griffith University
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Professor of Marine Ecology, University of Southampton
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Associate Professor of Biological Sciences, Macquarie University
