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

West Nishnabotna River Malvern

Invert Sampling Session #11208

Session Data

Sample Date
8/7/2024
Sampling Gear
Floating Artificial Substrate
Lab ID Number
2476290
Sample Quality
Good
Created Date
3/5/2025 3:27:43 PM
Last Update
3/7/2025 8:15:18 AM

Semi-Quantitative Sampling

Replicate Number
3
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 10
  • Total individuals collected 95
Scientific Name Order Family Common Name # Collected
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 4
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 8
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 35
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 13
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 28
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Oligochaeta Aquatic Worms 1

= Excluded from taxa count metrics

Notes: