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

Iowa River Marshalltown - US1

Invert Sampling Session #5919

Session Data

Sample Date
9/4/2013
Sampling Gear
Floating Artificial Substrate
Lab ID Number
122061
Sample Quality
Good
Created Date
1/10/2014 11:43:57 AM
Last Update
9/24/2014 2:47:02 PM

Semi-Quantitative Sampling

Replicate Number
3
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 11
  • Total individuals collected 149
Scientific Name Order Family Common Name # Collected
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 105
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 13
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Oligochaeta Aquatic Worms 3
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Simulium Diptera Simuliidae Black Flies 1

= Excluded from taxa count metrics

Notes: