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

Unnamed Tributary to Little Volga Maynard

Invert Sampling Session #5606

Session Data

Sample Date
9/20/2012
Sampling Gear
Artificial Substrate
Lab ID Number
59093
Sample Quality
Fair
Created Date
10/29/2013 1:46:22 PM
Last Update
11/13/2013 9:40:51 AM

Semi-Quantitative Sampling

Replicate Number
2
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 levels.

Collected Benthic Macroinvertebrates

  • Total taxa collected 9
  • Total individuals collected 114
Scientific Name Order Family Common Name # Collected
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 99
Dubiraphia Coleoptera Elmidae Riffle Beetles 4
Girardia Tricladida Dugesiidae Flatworms 4
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Oligochaeta Aquatic Worms 2
Physa Basommatophora Physidae Physid Snails 1
Placobdella ornata Rhynchobdellida Glossiphoniidae Leeches 1

= Excluded from taxa count metrics

Notes: