Wisconsin DNR: WI DNR BMI Kick:  Guidelines for Collecting Macroinvertebrate Samples from Wadable Streams in Wisconsin

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Official Method Name
 Guidelines for Collecting Macroinvertebrate Samples from Wadable Streams in Wisconsin
Current Revision
2006
Media
 WATER  (Waterbody type - Wadeable stream)
Instrumentation
 Invertebrate Net (w/ handle)
Method Subcategory
 Population/Community
Method Source
  Wisconsin DNR
Citation
  State of Wisconsin, Department of Natural Resources: Guidelines for Collecting Macroinvertebrate Samples from Wadeable Streams. June 2000
Brief Method Summary
 Time of year, sampling site selection, and sampling technique are key factors to be considered when collecting macroinvertebrate samples.
Scope and Application
 Data derived from aquatic macroinvertebrate samples provide valuable information on the biological and physical condition of streams, which along with stream habitat and fish community data, permits a comprehensive assessment of stream health.

This method is applicable to wadeable streams.
Applicable Concentration Range
 N/A
Interferences
 High stream-flow velocities; Unwadeable conditions; Excess mineral or organic debris in net or sample container; Seasonal changes in invertebrate community.
Quality Control Requirements
 None provided.
Sample Handling
 80 - 85% alcohol (isopropyl or ethanol); tightly sealed in dark at room temperature
Maximum Holding Time
 Indefinite with proper preservation.
Relative Cost
 3 - 6 hrs. per site/sample
Sample Preparation Methods
 Removal of organic and inorganic debris.
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