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

Ocheyedan River Spencer - US2

Invert Sampling Session #5325

Session Data

Sample Date
8/14/2012
Sampling Gear
Artificial Substrate
Lab ID Number
50853
Sample Quality
Good
Created Date
10/18/2013 8:22:18 AM
Last Update
6/30/2014 8:13:36 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 13
  • Total individuals collected 105
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 3
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 38
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 18
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 13
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 6

= Excluded from taxa count metrics

Notes: