Invasive species: why Britain can’t eat its way out of its crayfish problem
Invasive species: why Britain can’t eat its way out of its crayfish problem: Marek R. Swadzba/Shutterstock Invasive species pose a major threat to global biodiversity. In the UK, one of the most notorious of these invaders is the signal crayfish, Pacifastacus leniusculus. Introduced from the US in the 1970s to be reared in farms for …