Last month, The Wildlife Trusts published ‘A vision for the return of beavers to England and Wales’, which sets out the case for bringing back a vital keystone species to rivers across both nations, writes Erin McDaid of the Nottinghamshire Wildlife Trust. It is now well established that beavers are have a hugely beneficial impact on wetlands and that they can also play an important role in flood prevention and alleviation, filtering water supplies, and enhancing habitat for other wildlife. We’re now three years on since the government department responsible for protecting and improving the en…