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

Unnamed Tributary to Little Volga Maynard

Invert Sampling Session #5605

Session Data

Sample Date
9/20/2012
Sampling Gear
Artificial Substrate
Lab ID Number
59092
Sample Quality
Fair
Created Date
10/29/2013 1:40:09 PM
Last Update
11/13/2013 9:39:28 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
LT
Sedimentation/Embededness
MD
Colonization
LT
Comments

Substrates in very low velocity due to low water levels.

Collected Benthic Macroinvertebrates

  • Total taxa collected 7
  • Total individuals collected 95
Scientific Name Order Family Common Name # Collected
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 87
Dubiraphia Coleoptera Elmidae Riffle Beetles 2
Ferrissia Basommatophora Ancylidae Ancylid Snails 1
Girardia Tricladida Dugesiidae Flatworms 2
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 1
Leptophlebiidae Ephemeroptera Leptophlebiidae Pronggilled Mayflies 1

= Excluded from taxa count metrics

Notes: