Mexico, Guadalupe Island, Great White Shark (Carcharodon Carcharias). Dave Fleetham / Design Pics / Getty Images
As the Discovery Channel marks its 30th anniversary of Shark Week, it's important to remember that many populations of the iconic ocean predator are under threat from human activity, especially from
commercial fishing.
Industrial fishing takes place across more than 55 percent of the world's oceans, according to a new study published in Science.
Fishing is vital for food security and livelihoods across the globe, yet the extent of industrial fishing has remained largely unknown. Now, a team of researchers has tried to solve this problem by using the Automatic Identification System (AIS), an automatic ship-tracking system that uses satellite and land-based receivers to monitor a ship's location, originally designed to help prevent ship collisions.
