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

Des Moines River Keosauqua

Invert Sampling Session #6337

Session Data

Sample Date
10/8/2013
Sampling Gear
Artificial Substrate
Lab ID Number
129397
Sample Quality
Poor
Created Date
4/14/2014 7:48:33 AM
Last Update
4/28/2014 9:42:56 AM

Semi-Quantitative Sampling

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

Algal mats also created low velocity.

Collected Benthic Macroinvertebrates

  • Total taxa collected 10
  • Total individuals collected 113
Scientific Name Order Family Common Name # Collected
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 95
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsyche phalerata Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 6
Neoperla Plecoptera Perlidae Common Stoneflies 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Simulium Diptera Simuliidae Black Flies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: