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Beavers boon for environment
Beavers, a herbivorous group of rodents, are beneficial to the environment, a study says. With their talent to re-engineer the landscape, beavers can improve biodiversity, minimise pollutants and reduce downstream flooding.
​London: Beavers, a herbivorous group of rodents, are beneficial to the environment, a study says. With their talent to re-engineer the landscape, beavers can improve biodiversity, minimise pollutants and reduce downstream flooding.
An abundance of plant life was the most noticeable effect of beaver behaviour. The interconnected pools created by beaver dams increased the retention of organic matter by up to seven times and the level of aquatic plant life twenty fold. Multi-pool systems also supported twenty times more aquatic plant life.
Levels of agricultural pollutants were also reduced in areas occupied by beavers. More vegetation translates to cleaner water. Streams hosting beavers featured more than 40 per cent lower levels of phosphorous and nitrates. The new findings suggest beavers can prove especially valuable to low-quality stream habitats.
