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 #580

Session Data

Sample Date
7/2/2002
Sampling Gear
Hess
Lab ID Number
200205201
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
3
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 11
  • Total individuals collected 91
Scientific Name Order Family Common Name # Collected
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 8
Brachycentridae Trichoptera Brachycentridae Humpless Case Maker Caddisflies 4
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 47
Gammarus pseudolimnaeus Amphipoda Gammaridae Scuds and sideswimmers 1
Haplotaxida Haplotaxida Aquatic Worms 1
Hesperophylax designatus Trichoptera Limnephilidae Northern Case Maker Caddisflies 2
Limnephilidae Trichoptera Limnephilidae Northern Case Maker Caddisflies 1
Oligochaeta Aquatic Worms 21
Simulium Diptera Simuliidae Black Flies 3
Tipula Diptera Tipulidae Crane Flies 1

= Excluded from taxa count metrics

Notes: