Last updated: October 12, 2018
Benthic Macroinvertebrates

Coastal Plain & Piedmont Parks
Assessments of benthic macroinvertebrates can provide an excellent measure of aquatic ecosystem health.

Shenandoah National Park
Staff at this park have sampled benthic macroinvertebrates for 25 years, initially in response to gypsy moth defoliation.