Students sampling aquatic macroinvertebrates.
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The sampling of aquatic macroinvertebrates provides a convenient and
cost-efficient method for determining the water
quality of a stream.
Aquatic macroinvertebrates are water animals that
have no backbone and can be seen without
magnification. Aquatic macroinvertebrates
include such animals as crayfish, clams, aquatic
snails, aquatic worms, and the aquatic larvae of
Aquatic macroinvertebrates can be classified into
three groups based on their ability to tolerate
||This group of macroinvertebrates are very sensitive to water pollution. They are generally only found in water of good quality.
||This group of macroinvertebrates are tolerant of pollution. They can be found in water of any quality.
Midge Fly Larva