Biodiversity Field References
Biological monitoring is important because macroinvertebrates are sensitive indicators of an ecosystem's health.
They provide a measure of the effect of pollutants rather than just indicate the presence of certain chemicals.
Monitors will measure chemical, physical and biological parameters to determine the vigor of a body of water.
Collecting a combination of benthic macroinvertebrates and invertebrates offers more than the chemical snapshot
obtained from traditional water quality testing. They are good indicators of water quality because they can:
1. Reveal general water quality over an extended period of time, since they are less mobile then vertebrates.
2. Illustrate the impact of nutrient or organic enrichment and toxic contamination; and
3. Reflect differences in physical habitat conditions.
Overview
Monitoring Procedures
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Identification/Classification
Field Worksheets
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