This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Tuesday, 17 January 2023
Shark Attack?
Sharks and rays are top predators. Almost two thirds of these species, living on coral reefs, are, however, currently threatened by extinction. Global heating has detrimental effects on the reefs per se. Sharks are already functionally extinct on 20% of the world's reefs. The effects of overfishing is, however, a bigger factor in the decline of sharks and rays (https://www.theguardian.com/environment/2023/jan/18/extinction-crisis-of-sharks-and-rays-to-have-devastating-effect-on-other-species-study-finds). Removal of sharks and rays would inevitably have dier consequences for marine ecosystems and coastal communities. Overfishing must be stopped and sanctuaries for reef systems with sharks and rays, created.
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