The lake receded to form a peat bog. There are areas of peat bog near the coasts. The site was discovered under a peat bog. It takes centuries for a peat bog to recover from disturbance. The world's largest peat bog is located in Western Siberia. Mayenne has a diversity of habitat types such as forest, heathland, bog and farmland. Horse trampling also has the potential to damage waterways and bog habitats. The island has five principal vegetation formations&colon; grassland, herbfield, fen, bog and feldmark. Fens are an example of this kind of bog. There are many highly specialised animals, fungi, and plants associated with bog habitat. Also known as ideal bog garden plants. Ombrotrophic types of quagmire may be called quaking bog (quivering bog). The characteristics of some bog plants actively promote bog formation. Offaly largely comprises a flat landscape and is known for its extensive bog and peatlands. It is the main component of rust and bog iron ore.