Editing Fen (section)

=== Canadian Wetland Classification System definition ===
In the Canadian Wetland Classification System, fens are defined by six characteristics:<ref name=":1">{{Cite book|last=Canada Committee on Ecological Land Classification. National Wetlands Working Group|url=https://www.worldcat.org/oclc/43464321|title=The Canadian wetland classification system|date=1997|publisher=Wetlands Research Branch, University of Waterloo|others=Barry G. Warner, C. D. A. Rubec|isbn=0-662-25857-6|edition=2nd|location=Waterloo, Ont.|oclc=43464321|access-date=2021-03-20|archive-date=2022-01-12|archive-url=https://web.archive.org/web/20220112234321/https://www.worldcat.org/title/canadian-wetland-classification-system/oclc/43464321|url-status=live}}</ref>

# Peat is present.
# The surface of the wetland is level with the [[water table]]. Water flows on the surface and through the subsurface of the wetland.
# The water table fluctuates. It may be at the surface of the wetland or a few centimeters above or below it.
# The wetland receives a significant amount of its water from mineral-rich groundwater or surface water.<ref name=":1"/>
# Decomposed [[Cyperaceae|sedges]] or brown moss peat are present.
# The vegetation is predominantly [[graminoid]]s and shrubs.