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

Drainage Ditch 81 Nevada (Mixed HWCRS)

Invert Sampling Session #2667

Session Data

Sample Date
8/29/2007
Sampling Gear
Qualitative
Lab ID Number
2007033839
Sample Quality
Good
Created Date
4/9/2008 12:00:00 AM
Last Update
4/12/2012 11:08:15 AM

Qualitative Benthic Habitat Inventory

Abundance/
Rank
Substrate Presence
Pool/Glide
Presence
Riffle/Run
1 Fine Sediments
2 Streambank Vegetation
3 Coarse Rock
4 Filamentous Algae
5 Roots/Undercut Banks
Woody Debris
Vascular Aquatic Vegetation
Bedrock/Large Boulders
Leaf/Detritus Packs
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 26
  • Total individuals collected 136
Scientific Name Order Family Common Name # Collected
Anax Odonata Aeshnidae Darner Dragonflies 1
Anopheles Diptera Culicidae Mosquitoes 1
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 4
Belostoma Hemiptera Belostomatidae Giant Water Bugs 12
Bivalvia Mussels and Clams 14
Brachycercus Ephemeroptera Caenidae Small Squaregill Mayflies 2
Callibaetis Ephemeroptera Baetidae Small Minnow Mayflies 2
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 12
Coenagrionidae Odonata Coenagrionidae Narrowwinged Damselflies 9
Corixidae Hemiptera Corixidae Water Boatmen 3
Erpobdella Arhynchobdellida Erpobdellidae Leeches 1
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 15
Gerridae Hemiptera Gerridae Water Striders 1
Girardia Tricladida Dugesiidae Flatworms 11
Haliplus borealis Coleoptera Haliplidae Crawling Water Beetles 1
Helichus striatus Coleoptera Dryopidae Long-Toed Water Beetles 1
Hetaerina Odonata Calopterygidae Broadwinged Damselflies 1
Pantala Odonata Libellulidae Skimmer Dragonflies 2
Peltodytes edentulus Coleoptera Haliplidae Crawling Water Beetles 6
Physa Basommatophora Physidae Physid Snails 3
Physa acuta Basommatophora Physidae Physid Snails 21
Placobdella ornata Rhynchobdellida Glossiphoniidae Leeches 6
Rheumatobates Hemiptera Gerridae Water Striders 2
Simulium Diptera Simuliidae Black Flies 1
Somatochlora Odonata Corduliidae Greeneyed Skimmers 1
Tropisternus Coleoptera Hydrophilidae Giant Water Scavenger Beetles 3

= Excluded from taxa count metrics

Notes: