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

Waterloo Creek Dorchester

Invert Sampling Session #9466

Session Data

Sample Date
9/1/2020
Sampling Gear
Hess
Lab ID Number
1221122
Sample Quality
Good
Created Date
2/11/2021 10:45:30 AM
Last Update
3/2/2021 7:54:30 PM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 109
Scientific Name Order Family Common Name # Collected
Baetis brunneicolor Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 44
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 5
Ceratopsyche slossonae Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 30
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 8
Physa Basommatophora Physidae Physid Snails 1
Simulium Diptera Simuliidae Black Flies 7
Trombidiformes Trombidiformes Water Mites 8

= Excluded from taxa count metrics

Notes: