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

Coldwater Creek Coldwater Creek SWMA - Bluffton

Invert Sampling Session #7762

Session Data

Sample Date
7/19/2016
Sampling Gear
Hess
Lab ID Number
403660
Sample Quality
Good
Created Date
1/24/2017 9:59:03 AM
Last Update
3/6/2017 11:22:00 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 11
  • Total individuals collected 106
Scientific Name Order Family Common Name # Collected
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 8
Brachycentrus occidentalis Trichoptera Brachycentridae Humpless Case Maker Caddisflies 13
Caecidotea Isopoda Asellidae Aquatic Sowbugs 14
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 1
Gammarus Amphipoda Gammaridae Scuds and sideswimmers 3
Glossosoma Trichoptera Glossosomatidae Saddlecase Maker Caddisflies 6
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Physa Basommatophora Physidae Physid Snails 45
Simuliidae Diptera Simuliidae Black Flies 3
Simulium Diptera Simuliidae Black Flies 8
Trombidiformes Trombidiformes Water Mites 4

= Excluded from taxa count metrics

Notes: