Type 7
Wooded Swamp
Soil: Waterlogged within a few inches of the surface during the growing season
Hydrology: Often covered with as much as 1 foot of water; water table is at or near the surface
Vegetation: Hardwood and coniferous swamps with tamarack, northern white cedar, black spruce, balsam fir, balsam poplar, red maple, and black ash; deciduous sites frequently support beds of duckweed and smartweed
Common sites: Mostly in shallow ancient lake basins, old riverine oxbows, flat terrains, and along sluggish streams
NWI Symbols: PFO1, 5, and 6B; PFOC and F


