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

South River Ackworth

Invert Sampling Session #8544

Session Data

Sample Date
8/2/2018
Sampling Gear
Floating Artificial Substrate
Lab ID Number
692632
Sample Quality
Fair
Created Date
9/26/2018 10:09:07 AM
Last Update
9/27/2018 1:30:21 PM

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
MD
Colonization
LT
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 5
  • Total individuals collected 99
Scientific Name Order Family Common Name # Collected
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 90
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Physa Basommatophora Physidae Physid Snails 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 6

= Excluded from taxa count metrics

Notes: