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

Old Mans Creek Williamstown

Invert Sampling Session #22

Session Data

Sample Date
8/3/1994
Sampling Gear
Artificial Substrate
Lab ID Number
464607
Sample Quality
Unspecified
Created Date
6/9/2006 12:00:00 AM
Last Update
8/2/2010 10:40:29 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 13
  • Total individuals collected 120
Scientific Name Order Family Common Name # Collected
Baetis Ephemeroptera Baetidae Small Minnow Mayflies 10
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 25
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 2
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 23
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 16
Labiobaetis Ephemeroptera Baetidae Small Minnow Mayflies 8
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 8
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 5

= Excluded from taxa count metrics

Notes: