7846

• UCREFRP Catalog Number: 7846
• Author: American River Management Society
• Title: Editor
• USFW Year: Series
• USFW - Doc Type: 1994
• Copyright Material: NO

Biological Monitoring

Benthic Macroinvertebrate sampling:

· follows Rapid Bioassessment Protocols developed by U.S. EPA

· samples are collected Spring/Summer/Fall

· organisms are collected using the kick-net method

· organisms are identified to the order level

· data is analyzed using the following indices:

1. organism density per sample
2. EPT Richness
3. EPT/Chironomidae ratio
4. Percent Composition

River Watch Responsibilities:

· provide all lab and field equipment needed for monitoring

· provide all reagents for lab procedures

· provide training in lab and collection procedures

· provide technical support and maintenance of equipment

· conduct data analysis sessions

Participating Schools Responsibilities:

· monitor sample sites once a month during sampling season

· follow procedures in monitoring plan

· report data

. provide transportation to sampling sites and substitute costs

Obtaining C."edible Data With a Volunteer Program

MHRWP Quality Assurance/Quality Control Plan Consists of:

1. 1 duplicate/lO sample sites
2. Known Standards (high and low concentration)
3. Spike samples
4. Field blanks

* all meters are calibrated/accuracy check before each lab session
* meters and thennometers are calibrated seasonally by technical staff
* records and data sheets are kept at participating school and MHB office

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Rivers Without Boundaries 1994