Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

East Nishnabotna River Red Oak (DS1)

Invert Sampling Session #11162

Session Data

Sample Date
9/25/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2501201
Sample Quality
Good
Created Date
2/20/2025 2:26:13 PM
Last Update
2/21/2025 1:32:17 PM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Both Types Present
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
MH
Colonization
MH
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 10
  • Total individuals collected 141
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 7
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 86
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 15
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 16
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2
Oligochaeta Aquatic Worms 2
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1

= Excluded from taxa count metrics

Notes: