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

East Nishnabotna River Shenandoah

Invert Sampling Session #11210

Session Data

Sample Date
8/6/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2476278
Sample Quality
Good
Created Date
3/5/2025 3:43:22 PM
Last Update
3/7/2025 8:06:27 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
LT
Sedimentation/Embededness
LT
Colonization
MH
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 10
  • Total individuals collected 118
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 37
Helichus striatus Coleoptera Dryopidae Long-Toed Water Beetles 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 9
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 27
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 22

= Excluded from taxa count metrics

Notes: