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

West Nishnabotna River Malvern

Invert Sampling Session #7721

Session Data

Sample Date
9/7/2016
Sampling Gear
Qualitative
Lab ID Number
425299
Sample Quality
Poor
Created Date
12/19/2016 9:11:47 AM
Last Update
5/19/2020 8:31:32 AM

Qualitative Benthic Habitat Inventory

Abundance/
Rank
Substrate Presence
Pool/Glide
Presence
Riffle/Run
1 Fine Sediments
2 Woody Debris
3 Concrete Riprap
4 Roots/Undercut Banks
5 Leaf/Detritus Packs
Comments

Unable to wade across stream.

Collected Benthic Macroinvertebrates

  • Total taxa collected 17
  • Total individuals collected 52
Scientific Name Order Family Common Name # Collected
Attaneuria ruralis Plecoptera Perlidae Common Stoneflies 1
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 9
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 5
Boyeria vinosa Odonata Aeshnidae Darner Dragonflies 2
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 3
Gomphidae Odonata Gomphidae Clubtail Dragonflies 1
Gomphus Odonata Gomphidae Clubtail Dragonflies 4
Helichus striatus Coleoptera Dryopidae Long-Toed Water Beetles 1
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Heptagenia flavescens Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 2
Oligochaeta Aquatic Worms 2
Pteronarcys Plecoptera Pteronarcyidae Giant Stoneflies 2
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: