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

Rock River Hawarden

Invert Sampling Session #5700

Session Data

Sample Date
9/4/2013
Sampling Gear
Qualitative
Lab ID Number
122347
Sample Quality
Good
Created Date
12/6/2013 7:10:11 AM
Last Update
10/20/2014 9:12:46 AM

Qualitative Benthic Habitat Inventory

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 25
  • Total individuals collected 123
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 2
Acroneuria Plecoptera Perlidae Common Stoneflies 5
Argia Odonata Coenagrionidae Narrowwinged Damselflies 6
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 10
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 21
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 27
Corixidae Hemiptera Corixidae Water Boatmen 3
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 4
Gomphus Odonata Gomphidae Clubtail Dragonflies 4
Heptagenia elegantula Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 1
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Limnophora Diptera Muscidae Face Flies, Horn Flies, House Flies 2
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Maccaffertium mexicanum Ephemeroptera Heptageniidae Flatheaded Mayflies 8
Macronychus glabratus Coleoptera Elmidae Riffle Beetles 1
Nectopsyche candida Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 2
Physa Basommatophora Physidae Physid Snails 5
Rhagovelia Hemiptera Veliidae Broad-Shouldered Water Striders 5
Simulium Diptera Simuliidae Black Flies 1
Stylurus Odonata Gomphidae Clubtail Dragonflies 1
Trichocorixa Hemiptera Corixidae Water Boatmen 2
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 1

= Excluded from taxa count metrics

Notes: