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

West Nishnabotna River Malvern

Invert Sampling Session #11206

Session Data

Sample Date
8/7/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2476288
Sample Quality
Good
Created Date
3/5/2025 3:27:43 PM
Last Update
3/7/2025 8:13:48 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
None Present
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
None Present
Sedimentation/Embededness
LT
Colonization
HV
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 11
  • Total individuals collected 103
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 5
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 9
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 38
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 13
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 28
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1

= Excluded from taxa count metrics

Notes: