A dramatic transformation is underway at Paradise Fields in west London, where a thriving beaver colony has all but eradicated flooding at nearby Greenford station. Since their reintroduction three years ago, the 'nature's engineers' have been hard at work, constructing dams and creating complex wetlands that slow the flow of water during heavy rainfall events.
Ecologists involved with the Ealing Beaver Project attribute the absence of flooding at Greenford station to the beavers' hydrological engineering. According to Sean McCormack, a vet and conservationist with the project, water which once rushed through the system in minutes now takes hours to percolate through the beaver-engineered landscape.
The impact extends far beyond flood prevention. At least two new kits were born this year, bringing delight to local residents who have gathered to watch the young beavers emerge in the evenings. McCormack described the heartwarming sight of the mother beaver interacting with her fluffy kits as a rare treat for even seasoned scientists.
Nadya Mirochnitchenko, an ecologist with the project, has witnessed a dramatic transformation in the wildlife around the brook. She reports an 'explosion' in invertebrate populations and increased sightings of various bird species, including at least two new bat species. The once-neglected site is now teeming with life.
Beavers were hunted to extinction in Britain centuries ago for their fur, meat, and scent glands. Their reintroduction to London three years ago marks a significant step in rewilding efforts across the UK, aimed at restoring natural processes and enhancing biodiversity. These projects demonstrate the potential for native species like beavers to mitigate environmental challenges.