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

East Nishnabotna River Red Oak (DS1)

Invert Sampling Session #11161

Session Data

Sample Date
9/25/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2501200
Sample Quality
Good
Created Date
2/20/2025 2:26:13 PM
Last Update
2/21/2025 1:31:24 PM

Semi-Quantitative Sampling

Replicate Number
2
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 8
  • Total individuals collected 127
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 3
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 43
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 7
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 24
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 27
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 19
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2

= Excluded from taxa count metrics

Notes: