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

Winnebago River Mason City - DS1

Invert Sampling Session #6222

Session Data

Sample Date
9/4/2013
Sampling Gear
Artificial Substrate
Lab ID Number
121986
Sample Quality
Fair
Created Date
4/1/2014 2:22:14 PM
Last Update
4/30/2014 9:49:12 AM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
Filamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
MD
Colonization
LT
Comments

Very low velocity at the art sub.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 92
Scientific Name Order Family Common Name # Collected
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 60
Girardia Tricladida Dugesiidae Flatworms 13
Leptoceridae Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Procloeon Ephemeroptera Baetidae Small Minnow Mayflies 5
Simulium Diptera Simuliidae Black Flies 1
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 4

= Excluded from taxa count metrics

Notes: