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

Old Mans Creek Williamstown

Invert Sampling Session #23

Session Data

Sample Date
8/3/1994
Sampling Gear
Artificial Substrate
Lab ID Number
464609
Sample Quality
Unspecified
Created Date
6/9/2006 12:00:00 AM
Last Update
2/10/2016 1:14:18 PM

Semi-Quantitative Sampling

Replicate Number
2
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 20
  • Total individuals collected 117
Scientific Name Order Family Common Name # Collected
Baetis Ephemeroptera Baetidae Small Minnow Mayflies 12
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 16
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 9
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 15
Hemerodromia Diptera Empididae Dance Flies 1
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 13
Heptagenia pulla Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Hyalella azteca Amphipoda Talitridae Scuds and sideswimmers 1
Hydropsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 16
Hydroptilidae Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 8
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Neureclipsis Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 1
Stenacron Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Trichoptera Trichoptera Caddisflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 7

= Excluded from taxa count metrics

Notes: