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

Iowa River Marshalltown - US1

Invert Sampling Session #5918

Session Data

Sample Date
9/4/2013
Sampling Gear
Floating Artificial Substrate
Lab ID Number
122060
Sample Quality
Good
Created Date
1/10/2014 11:43:57 AM
Last Update
9/24/2014 2:45:31 PM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 165
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 129
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Oligochaeta Aquatic Worms 2
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: