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Water: Monitoring & Assessment

Wetland Bioassessment Projects


United States
Environmental Protection
Agency
Office of Water
Office of Wetlands, Oceans
and Watersheds (4502-F)
EPA843-F-98-001d
July 1998

Wetland Bioassessment Fact Sheet 4

Below is a list of some wetland biological assessment projects conducted by members of the Biological Assessment of Wetlands Workgroup (BAWWG) (See Fact Sheet 3) in wetlands. In general, individual BAWWG members are still in the preliminary stages of identifying and testing potential metrics, particularly for birds, amphibians, plants, and algae. Most current research is being conducted on macroinvertebrates and vascular plants in depressional wetlands with emergent and submerged vegetation. Further research is needed in other wetland types, especially in wetlands that have saturated soils but lack standing water for most of the year.

Agency Analytical Methods Species Assemblages Project Purpose Wetland Type Stressors Affecting Wetlands
Minnesota Index of Biological Integrity (IBI) (See Fact Sheet 5) Vascular Plants
Macroinvertebrates
Amphibians
Water quality standards Depressional semipermanent with emergent vegetation Agriculture
Storm water runoff
Montana Attempting to develop bioassessment protocols using both multimetric and multivariate approaches Macroinvertebrates
Algae (diatoms)
Vascular Plants
Water quality standards Depressional
Riparian/fen
Closed basins
Open lakes
Agriculture
Mining
Others
Minnesota Floristic Quality Assessment Index (FQAI) for vascular plants
IBIs for both amphibians and macroinvertebrates
Vascular Plants
Macroinvertebrates
Amphibians
Water quality standards Depressional
Riparian
Agriculture
Development
Others
North Dakota IBI Macroinvertebrates
Algae
Vascular Plants
Water quality standards Depressional (prairie potholes) Agriculture
Patuxent Wildlife Research Center(USGS and NRCS) Investigating use of each assemblage for bioassessments Macroinvertebrates
Vascular Plants
Birds
Fish
Amphibians
Evaluating performance of wetland restoration Depressional (Delmarva Bays) in various stages of succession Restored wetlands on agricultural land compared to minimally disturbed wetlands
U.S. EPA Duluth Lab IBI Macroinvertebrates
Vascular Plants
Algae
Water quality standards Depressional (prairie potholes) Agriculture
U.S. EPA Corvallis Lab Analyzing survey design and reporting methods N/A Evaluating wetland program effectiveness Various wetlands located in mid-Atlantic region Mixed land use
USGS Northern Prairie Science Center Has collected some macroinvertebrate data in conjunction with HGM* project Macroinvertebrates Supplementing HGM* project Depressional (prairie potholes) Agriculture
Others

* Hydrogeomorphic approach (HGM) is a functional assessment method.

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