 It then flows slowly through farmland, where it provides an environment for reeds and sedges.As it descends into the Limb valley and down through Ecclesall Woods, it is surrounded by steep hillsides which support mature woodland, including Beech, Sycamore, Alder, Ash and Hazel.This is a rich environment for invertebrates and many birds and mammals, including kingfishers and water voles.