Fen (Paperback)

High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! A fen is a type of wetland fed by surface water, or groundwater, or both. Fens are characterised by their water chemistry, which is neutral or alkaline. Fens are different from bogs, which are acidic, fed primarily by rainwater (ombrotrophic) and often dominated by Sphagnum mosses.The word "fen" is derived from Old English fenn. from Proto-Germanic *fanja. Cognates include Gothic (fani), Old Frisian (fenne), Dutch (veen) and German (Fenn(e), Venn, Vehn, Feen, Fehn).