03 Feb 07
The post that was quoted here has been removedA fen is a type of wetland fed by alkaline, mineral-rich groundwater and characterized by a distinctive flora. Fens are often confused with bogs, which are fed primarily by rainwater and often inhabited by sphagnum moss, making them acidic. Like other wetlands, fens will ultimately fill in and become a terrestrial community such as a woodland through the process of ecological succession.