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

Waterloo Creek Dorchester

Invert Sampling Session #9467

Session Data

Sample Date
9/1/2020
Sampling Gear
Hess
Lab ID Number
1221123
Sample Quality
Good
Created Date
2/11/2021 10:45:30 AM
Last Update
3/2/2021 7:55:48 PM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MH
Sedimentation/Embededness
MH
Colonization
LT
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 11
  • Total individuals collected 99
Scientific Name Order Family Common Name # Collected
Baetis brunneicolor Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 60
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 4
Ceratopsyche slossonae Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 3
Gammarus Amphipoda Gammaridae Scuds and sideswimmers 1
Oecetis sordida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Oligochaeta Aquatic Worms 1
Physa Basommatophora Physidae Physid Snails 21
Simulium Diptera Simuliidae Black Flies 1
Trombidiformes Trombidiformes Water Mites 3

= Excluded from taxa count metrics

Notes: