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Threatened sharks are those vulnerable to endangerment in the near future. The International Union for Conservation of Nature ( IUCN ) is the world's oldest global environmental organization. [ 2 ] It evaluates threatened species, and treats threatened species not as a single category, but as a group of three categories, depending on the degree ...
Called Fin Spotter, it identifies individual sharks and their species in images, to track if that particular shark has been spotted before – a useful tool for conservationists trying to protect ...
The majority of shark nets used are gillnets, which is a wall of netting that hangs in the water and captures the targeted sharks by entanglement. [6] The nets may be as much as 186 metres (610 ft) long, set at a depth of 6 metres (20 ft), have a mesh size of 500 millimetres (20 in) and are designed to catch sharks longer than 2 metres (6.6 ft) in length.
For migratory sharks the situation is worse, with almost 50% being considered as threatened and 27% being considered as near threatened. [3] Relatively little is known about the behavior of migratory sharks; researchers have been surprised by data on their migrations. [4] Knowledge of 47% of sharks is too limited to determine a conservation ...
An invasive species is a species not native to a particular location which can spread to a degree that causes damage to the environment, human economy or human health. [19] In 2008, Molnar et al. documented the pathways of hundreds of marine invasive species and found shipping was the dominant mechanism for the transfer of invasive species in ...
"Sharks inhabit pretty much every ocean, every sea, every marine environment on the globe, so if you're speaking to kids, it's about them paying attention to what's happening in and around the ...
A fleet of drones patrolling New York City’s beaches for signs of sharks and struggling swimmers is drawing backlash from an aggressive group of seaside residents: local shorebirds.
These threatened species occur in the Great Barrier Reef World Heritage Area [1] and are listed as threatened under the Convention on the Conservation of Migratory Species of Wild Animals (Bonn Convention), CITES (CITES) Agreement, China–Australia Migratory Bird Agreement (CAMBA), Japan–Australia Migratory Bird Agreement or the International Union for the Conservation of Nature Red List ...