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

Onion Creek Ames (Timber HWCRS)

Invert Sampling Session #2646

Session Data

Sample Date
7/25/2007
Sampling Gear
Hess
Lab ID Number
2007027119
Sample Quality
Good
Created Date
5/16/2008 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
LT
Colonization
LT
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 17
  • Total individuals collected 138
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 9
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 3
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 28
Ceratopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 11
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 13
Gomphidae Odonata Gomphidae Clubtail Dragonflies 1
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 25
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 26
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 1
Leucrocuta Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Simulium Diptera Simuliidae Black Flies 1
Stenelmis Coleoptera Elmidae Riffle Beetles 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 7

= Excluded from taxa count metrics

Notes: