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

Bear Creek Eden Valley Co Park - Baldwin (RMN Trend Site)

Invert Sampling Session #11069

Session Data

Sample Date
9/3/2024
Sampling Gear
Hess
Lab ID Number
2490623
Sample Quality
Good
Created Date
1/27/2025 7:45:33 AM
Last Update
1/28/2025 11:11:09 AM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
MD
Colonization
LT
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 27
  • Total individuals collected 111
Scientific Name Order Family Common Name # Collected
Atherix Diptera Athericidae Aquatic Snipe Flies 1
Baetis Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetisca Ephemeroptera Baetiscidae Armored Mayflies 1
Brachycentrus numerosus Trichoptera Brachycentridae Humpless Case Maker Caddisflies 1
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 19
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 22
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 1
Ferrissia Basommatophora Ancylidae Ancylid Snails 2
Gomphidae Odonata Gomphidae Clubtail Dragonflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 9
Labiobaetis propinquus Ephemeroptera Baetidae Small Minnow Mayflies 1
Maccaffertium Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 6
Nixe/Leucrocuta Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Oligochaeta Aquatic Worms 8
Stenelmis Coleoptera Elmidae Riffle Beetles 4
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 3
Stenelmis grossa Coleoptera Elmidae Riffle Beetles 2
Trichoptera Trichoptera Caddisflies 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 13
Trombidiformes Trombidiformes Water Mites 1

= Excluded from taxa count metrics

Notes: