What Are Wetlands? Coffey Geoscience
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Transcript of What Are Wetlands? Coffey Geoscience
WETLAND FUNCTIONSHydrologic
Water Quality Support
Fish Support
Aquatic Support
Terrestrial Support
water storage & delay sediment retention & stabilization phosphorus retention nitrate removal & retention thermoregulation
anadromous fish habitat non-anadromous fish habitat
aquatic invertebrate habitat amphibian & reptile habitat waterbird feeding habitat waterbird nesting habitat
organic matter export songbird, raptor & mammal habitat native plant diversity pollinator habitat
WETLAND VALUES
• Flood water storage & delay• Water quality improvement• Recreation e.g. boating, fishing, hiking,
birding, etc.• Education• Soil improvement, aquaculture, farming
RECOGNIZING WETLANDS
Farmed Wetland
Photos taken in February, 2011
Shallow water table
Wetland Determination(& delineation)
3 parameter method• vegetation• soils• hydrology
WETLAND MITIGATION
WETLAND FUNCTIONSHydrologic
Water Quality Support
Fish Support
Aquatic Support
Terrestrial Support
water storage & delay sediment retention & stabilization phosphorus retention nitrate removal & retention thermoregulation
anadromous fish habitat non-anadromous fish habitat
aquatic invertebrate habitat amphibian & reptile habitat waterbird feeding habitat waterbird nesting habitat
organic matter export songbird, raptor & mammal habitat native plant diversity pollinator habitat
WETLAND VALUES
• Flood water storage• Water quality improvement• Recreation e.g. boating, fishing, hiking,
birding, etc.• Education• Soil improvement, aquaculture
WETLAND VALUES