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

Ocheyedan River Spencer - US2

Invert Sampling Session #5326

Session Data

Sample Date
8/14/2012
Sampling Gear
Artificial Substrate
Lab ID Number
50854
Sample Quality
Good
Created Date
10/18/2013 8:22:18 AM
Last Update
6/30/2014 8:15:54 AM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Filamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
MD
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 13
  • Total individuals collected 100
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 4
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 51
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 16
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 11
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Simulium Diptera Simuliidae Black Flies 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 4

= Excluded from taxa count metrics

Notes: