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

South River Ackworth

Invert Sampling Session #5334

Session Data

Sample Date
7/23/2012
Sampling Gear
Artificial Substrate
Lab ID Number
45335
Sample Quality
Fair
Created Date
10/18/2013 9:32:14 AM
Last Update
6/30/2014 1:44:01 PM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
None Present
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
None Present
Sedimentation/Embededness
MD
Colonization
LT
Comments

Very low flow.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 108
Scientific Name Order Family Common Name # Collected
Argia Odonata Coenagrionidae Narrowwinged Damselflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 98
Coenagrionidae Odonata Coenagrionidae Narrowwinged Damselflies 1
Gomphus Odonata Gomphidae Clubtail Dragonflies 1
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 2

= Excluded from taxa count metrics

Notes: