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

Irish Hollow Creek New Albin

Invert Sampling Session #5104

Session Data

Sample Date
7/31/2012
Sampling Gear
Hess
Lab ID Number
47589
Sample Quality
Good
Created Date
4/5/2013 9:16:00 AM
Last Update
5/1/2014 9:01:28 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
MH
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 15
  • Total individuals collected 95
Scientific Name Order Family Common Name # Collected
Baetis brunneicolor Ephemeroptera Baetidae Small Minnow Mayflies 4
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 21
Brachycentrus occidentalis Trichoptera Brachycentridae Humpless Case Maker Caddisflies 4
Caecidotea Isopoda Asellidae Aquatic Sowbugs 4
Ceratopsyche slossonae Trichoptera Hydropsychidae Common Netspinner Caddisflies 10
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 6
Gammarus Amphipoda Gammaridae Scuds and sideswimmers 2
Hydropsyche betteni Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Oligochaeta Aquatic Worms 1
Optioservus fastiditus Coleoptera Elmidae Riffle Beetles 2
Physa Basommatophora Physidae Physid Snails 4
Simulium Diptera Simuliidae Black Flies 28
Trombidiformes Trombidiformes Water Mites 2

= Excluded from taxa count metrics

Notes: