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

Thompson River Decatur City

Invert Sampling Session #10332

Session Data

Sample Date
7/28/2022
Sampling Gear
Surber
Lab ID Number
2144115
Sample Quality
Good
Created Date
1/23/2023 3:12:19 PM
Last Update
3/2/2023 9:35:00 AM

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
LT
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 16
  • Total individuals collected 110
Scientific Name Order Family Common Name # Collected
Acroneuria Plecoptera Perlidae Common Stoneflies 1
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 4
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 26
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 2
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 6
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 25
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 11
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Mayatrichia Trichoptera Hydroptilidae Micro Caddisflies 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Simulium Diptera Simuliidae Black Flies 1
Trichoptera Trichoptera Caddisflies 1

= Excluded from taxa count metrics

Notes: