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

Trout River Trout River Public Area - Decorah

Invert Sampling Session #579

Session Data

Sample Date
7/2/2002
Sampling Gear
Hess
Lab ID Number
200205200
Sample Quality
Good
Created Date
6/20/2006 12:00:00 AM
Last Update
8/2/2010 10:40:29 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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 8
  • Total individuals collected 93
Scientific Name Order Family Common Name # Collected
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 3
Brachycentridae Trichoptera Brachycentridae Humpless Case Maker Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 45
Gammarus pseudolimnaeus Amphipoda Gammaridae Scuds and sideswimmers 2
Oligochaeta Aquatic Worms 37
Physidae Basommatophora Physidae Physid Snails 1
Simulium Diptera Simuliidae Black Flies 2

= Excluded from taxa count metrics

Notes: