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

East Nishnabotna River Shenandoah

Invert Sampling Session #11212

Session Data

Sample Date
8/6/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2476280
Sample Quality
Good
Created Date
3/5/2025 3:43:22 PM
Last Update
3/7/2025 8:08:30 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 110
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 28
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 26
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 26
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 22
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1

= Excluded from taxa count metrics

Notes: