A network of dams constructed by beavers in Devon has contributed to the preservation of a wetland despite a drought in the South West.

There are a lot of beaver families residing on Clinton Devon Estates-owned and farmed land.

The impact of beavers on the landscape was the focus of a five-year-long study that concluded in 2020.

The beavers have been permitted to continue dwelling in the area after a trial revealed a variety of benefits.

In less than a year, the mammals utilized twigs and mud to construct multiple dams on the estate, causing one acre of grazing ground to become permanently submerged.

Ed Lagdon, a ranger for the East Devon Pebblebed Heaths, stated, “In some spots, the water is up to two feet deep, which is wonderful for wildlife such as birds and insects.”

Additionally, it prevents flooding and captures carbon within the marsh.

“Benefits exceed expenses”

The estate surveyor, Clare James, stated that the beaver families contributed to the area’s biodiversity, but it was vital to “proceed with caution” due to the potential impact on farming and neighboring landowners.

How will the growth in beaver populations affect our grazing and agricultural land?

As beavers begin to shift their territories across our tributaries, this is a significant question for property managers across the country.

Matt Holden, manager of the Beaver Project at the Devon Wildlife Trust, stated that there are positives and cons to beavers and their dams.

He stated, “While beavers are beneficial to society as a whole, we recognize that their effects are disproportionately felt by a small number of persons, typically landowners and those in charge of infrastructure.”

These effects may include localized floods, which can limit access to land such as farmland and cause crop losses.

He continued, “There are expenses associated with beaver management, but the benefits outweigh the expenses.”

It will be illegal to disturb, hurt, or kill beavers in England as of the 1st of October since they will be granted legal protection as a recognized native species.

It follows a government consultation on the future of beavers in England from the previous year.