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.