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

West Nishnabotna River Malvern

Invert Sampling Session #7719

Session Data

Sample Date
9/7/2016
Sampling Gear
Floating Artificial Substrate
Lab ID Number
425298
Sample Quality
Poor
Created Date
12/19/2016 9:11:47 AM
Last Update
12/20/2016 2:53:55 PM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
No Data
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
No Data
Sedimentation/Embededness
No Data
Colonization
LT
Comments

Plates appeared scoured by high flow

Collected Benthic Macroinvertebrates

  • Total taxa collected 10
  • Total individuals collected 46
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 1
Acroneuria Plecoptera Perlidae Common Stoneflies 2
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 1
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 5
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 25
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2
Simulium Diptera Simuliidae Black Flies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: