BMI-01
1 / 5Benthic Macroinvertebrates
Turn over 3 riverbed stones in riffle areas. What macroinvertebrate organisms do you observe? Look for Mayfly, Stonefly, or Caddisfly larvae.
Why this matters — One Health
Healthy macroinvertebrate communities indicate clean water and functioning ecological processes, which are directly linked to human and animal health by supporting safe drinking water sources, fisheries and disease-limiting environments.
Source: Importance of indicator — II. Benthic Macroinvertebrates (factsheet_text.txt)
Visual Anchor
Look for Mayfly, Stonefly, or Caddisfly larvae under stones (sensitive) vs. aquatic worms/leeches (tolerant).
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