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

Dousman Creek Ion

Invert Sampling Session #1247

Session Data

Sample Date
7/18/2003
Sampling Gear
Hess
Lab ID Number
306846
Sample Quality
Good
Created Date
10/13/2005 12:00:00 AM
Last Update
4/1/2016 9:39:26 AM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
LT
Colonization
MH
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 14
  • Total individuals collected 120
Scientific Name Order Family Common Name # Collected
Baetis Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 6
Brachycentrus occidentalis Trichoptera Brachycentridae Humpless Case Maker Caddisflies 7
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 37
Erpobdella Arhynchobdellida Erpobdellidae Leeches 1
Gammarus pseudolimnaeus Amphipoda Gammaridae Scuds and sideswimmers 10
Hesperophylax designatus Trichoptera Limnephilidae Northern Case Maker Caddisflies 1
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Limnephilidae Trichoptera Limnephilidae Northern Case Maker Caddisflies 1
Optioservus fastiditus Coleoptera Elmidae Riffle Beetles 7
Simulium tuberosum Diptera Simuliidae Black Flies 32
Simulium vittatum Diptera Simuliidae Black Flies 2
Trombidiformes Trombidiformes Water Mites 13

= Excluded from taxa count metrics

Notes: