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

Iowa River Columbus Junction

Invert Sampling Session #2985

Session Data

Sample Date
9/10/2008
Sampling Gear
Artificial Substrate
Lab ID Number
2008034939
Sample Quality
Fair
Created Date
1/14/2009 12:00:00 AM
Last Update
8/2/2010 10:40:29 AM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
None Present
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
No Data
Sedimentation/Embededness
LT
Colonization
LT
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 13
  • Total individuals collected 105
Scientific Name Order Family Common Name # Collected
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 15
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 1
Heptagenia flavescens Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 11
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 30
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 4
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 7
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 14
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 7

= Excluded from taxa count metrics

Notes: