Biological Integrity

After the counting, sorting and identifications is complete the benthic macroinvertebrate collections are assessed using six metrics.  An overall stream score is determined using reference formulas or a point systemClick-Here to review the level-one method 

 

Level-3 uses smiliar metrics as above but invertebrates must be identified to the family level.  These evaluations require an advanced level of expertise.  Click-Here to review a level-3 lab bench sheet. 

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