Pinhook Bog nutrient-poor. The outstanding feature of Pinhook Bog is the tree-covered mat of sphagnum moss. Sphagnum moss is a stringy, delicate moss of a light-green color. The mat floats on top of the water and can become thick, yet it can have a pocket only a few inches thick in the middle. As the mat thickens, larger and larger plants take root and grow. Under the mat a peat bed develops. The acidic water slows the decay of the sphagnum moss and other plants. With time, the peat may fill the bog from the mat to the bottom. As the moisture
Abbotts Moss Nature Reserve quaking bog occurs when plants such as "Sphagnum" mosses and cotton grass "Eriophorum" sp. colonise the surface of a waterbody and form a floating mat of vegetation. Locally uncommon plants growing here include common cottongrass "Eriophorum angustifolium", cranberry "Vaccinium oxycoccos", round-leaved sundew "Drosera rotundifolia", crowberry "Empetrum nigrum", hare’s-tail cottongrass "Eriophorum vaginatum", bog rosemary "Andromeda polifolia", white beak-sedge "Rhynchospora alba" and the carnivorous lesser bladderwort "Utricularia minor". Dragonflies include the nationally rare white-faced darter "Leucorrhinia dubia" and the locally uncommon downy emerald "Cordulia aenea" and black darter "Sympetrum danae". Abbotts Moss is one of only two sites in Cheshire where adders