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

Cedar River Midway

Invert Sampling Session #6247

Session Data

Sample Date
9/4/2013
Sampling Gear
Artificial Substrate
Lab ID Number
121977
Sample Quality
Fair
Created Date
4/4/2014 12:21:48 PM
Last Update
4/30/2014 10:22:04 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
MD
Colonization
LT
Comments

Low stream velocity upon retrieval.

Collected Benthic Macroinvertebrates

  • Total taxa collected 15
  • Total individuals collected 102
Scientific Name Order Family Common Name # Collected
Argia Odonata Coenagrionidae Narrowwinged Damselflies 1
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 1
Caenis hilaris Ephemeroptera Caenidae Small Squaregill Mayflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 22
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 48
Hemerodromia Diptera Empididae Dance Flies 1
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Nematoda Nematodes 1
Neureclipsis Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 1
Polycentropus Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 1
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 15

= Excluded from taxa count metrics

Notes: