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

Thompson River Decatur City

Invert Sampling Session #10331

Session Data

Sample Date
7/28/2022
Sampling Gear
Surber
Lab ID Number
2144114
Sample Quality
Good
Created Date
1/23/2023 3:12:19 PM
Last Update
3/2/2023 9:33:43 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 16
  • Total individuals collected 118
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 4
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 5
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 18
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 6
Heptagenia flavescens Ephemeroptera Heptageniidae Flatheaded Mayflies 9
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 7
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 18
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 16
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 10
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Rhagovelia Hemiptera Veliidae Broad-Shouldered Water Striders 1

= Excluded from taxa count metrics

Notes: