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

Unnamed Tributary to Little Volga Maynard

Invert Sampling Session #5607

Session Data

Sample Date
9/20/2012
Sampling Gear
Artificial Substrate
Lab ID Number
59094
Sample Quality
Fair
Created Date
10/29/2013 1:52:15 PM
Last Update
11/13/2013 9:42:05 AM

Semi-Quantitative Sampling

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

Very low velocity due to low water level.

Collected Benthic Macroinvertebrates

  • Total taxa collected 10
  • Total individuals collected 109
Scientific Name Order Family Common Name # Collected
Calopteryx Odonata Calopterygidae Broadwinged Damselflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 80
Dubiraphia Coleoptera Elmidae Riffle Beetles 6
Girardia Tricladida Dugesiidae Flatworms 9
Leptophlebiidae Ephemeroptera Leptophlebiidae Pronggilled Mayflies 1
Oligochaeta Aquatic Worms 6
Physa Basommatophora Physidae Physid Snails 3
Sphaeriidae Veneroida Sphaeriidae Fingernail clams 1
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1

= Excluded from taxa count metrics

Notes: