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

East Nishnabotna River Riverton (REMAP #400)

Invert Sampling Session #11157

Session Data

Sample Date
9/24/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2501188
Sample Quality
Good
Created Date
2/20/2025 9:42:47 AM
Last Update
2/21/2025 9:05:32 AM

Semi-Quantitative Sampling

Replicate Number
2
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 8
  • Total individuals collected 138
Scientific Name Order Family Common Name # Collected
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 113
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1

= Excluded from taxa count metrics

Notes: