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

East Nishnabotna River Riverton (REMAP #400)

Invert Sampling Session #11158

Session Data

Sample Date
9/24/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2501189
Sample Quality
Good
Created Date
2/20/2025 9:42:47 AM
Last Update
2/21/2025 9:06:30 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 7
  • Total individuals collected 137
Scientific Name Order Family Common Name # Collected
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 121
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Oligochaeta Aquatic Worms 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1

= Excluded from taxa count metrics

Notes: