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

Ocheyedan River Spencer - US2

Invert Sampling Session #5324

Session Data

Sample Date
8/14/2012
Sampling Gear
Artificial Substrate
Lab ID Number
50852
Sample Quality
Good
Created Date
10/18/2013 8:22:18 AM
Last Update
6/30/2014 8:11:56 AM

Semi-Quantitative Sampling

Replicate Number
1
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 16
  • Total individuals collected 113
Scientific Name Order Family Common Name # Collected
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 6
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 5
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 4
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 4
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 23
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 19
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Hydropsyche bidens Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 21
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Oligochaeta Aquatic Worms 1
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 7

= Excluded from taxa count metrics

Notes: