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

Coldwater Creek Coldwater Creek SWMA - Bluffton

Invert Sampling Session #9469

Session Data

Sample Date
8/4/2020
Sampling Gear
Hess
Lab ID Number
1162247
Sample Quality
Good
Created Date
2/12/2021 7:38:47 AM
Last Update
2/16/2021 9:45:58 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
HV
Sedimentation/Embededness
LT
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 91
Scientific Name Order Family Common Name # Collected
Baetis brunneicolor Ephemeroptera Baetidae Small Minnow Mayflies 3
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 24
Caecidotea Isopoda Asellidae Aquatic Sowbugs 23
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Ceratopsyche slossonae Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 7
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Simulium Diptera Simuliidae Black Flies 25

= Excluded from taxa count metrics

Notes: