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Unique species such as the bog turtle, the spring
blue darner, whorled mountain mint and marsh speedwell all depend on these kinds
of wetlands. However, encroaching woody vegetation threaten these wetlands by
shading openings and transpiring water.
Controlling encroaching woody vegetation in bog turtle habitat in Carroll
County using prescribed grazing by goats Restoration and replanting of a sea-level fen to benefit three rare plant
species in Anne Arundel County Invasive species removal from a rare sedge and grass fen in Garrett County Photo of Marsh Speedwell courtesy of Eleanor S. Saulys |
Low lying, moist areas have been ditched and drained for centuries, or valued
only for pasture. Today it is known that these inland wetlands, such as bogs and
fens, play an important ecological role in filtering and cooling water and
storing and cycling nutrients. 
The Landowner Incentive Program is funding several different types of bog and
fen restoration in Maryland: