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

Cedar Creek Lohrville -- Univ. 40 Park (REMAP #34)

Fish Session #424

Sample Date
7/31/2002
Timeframe
Unspecified  
Reach Size
849 ft
Method
Standard Wadeable
Sample Quality
Fair
Last Update
6/12/2024 8:07:20 AM

Fish Health

# DELTs
0
# Non-DELTs
0

Equipment

Backpack Shockers
2
Blocknets
2
Property Access Notice

This site is on public land, such as a county park, state park, or state-managed wildlife area.

FIBI Score
43
Warm Water
Fair
Session Comments

Very deep for half of the reach. Started with three shockers and one failed just after starting. Treacherous walking on both banks. Huge riprap and depth made sampling virtually impossible for more than half the reach.

Collected Fish

Identity verification status for this species
Size Class: Typically only collected for sportfish
Taxa excluded from species count metrics.
Click on species name for more information about that species
Species Catch
Spotfin Shiner
Latin: Cyprinella spiloptera
Family: Leuciscidae
Tolerance: Intermediate
Trophic: Insectivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
53
Orangespotted Sunfish
Latin: Lepomis humilis
Family: Centrarchidae
Tolerance: Intermediate
Trophic: Insectivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
40
Green Sunfish
Latin: Lepomis cyanellus
Family: Centrarchidae
Tolerance: Tolerant
Trophic: Generalist
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
35
Shorthead Redhorse
Latin: Moxostoma macrolepidotum
Family: Catostomidae
Tolerance: Intermediate
Trophic: Benthic Invertivore
Is Exotic: False
Is LithoSpawner: True
Is Hybrid: False
11
Stonecat
Latin: Noturus flavus
Family: Ictaluridae
Tolerance: Intermediate
Trophic: Benthic Invertivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
8
Suckers - Unidentified
Latin: Catostomidae spp.
Family: Catostomidae
Tolerance: N/A
Trophic: N/A
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
7 [X]
Bluntnose Minnow
Latin: Pimephales notatus
Family: Leuciscidae
Tolerance: Tolerant
Trophic: Omnivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
5
Channel Catfish
Latin: Ictalurus punctatus
Family: Ictaluridae
Tolerance: Intermediate
Trophic: Top Carnivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
5
Slenderhead Darter
Latin: Percina phoxocephala
Family: Percidae
Tolerance: Sensitive
Trophic: Benthic Invertivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
4
Sand Shiner
Latin: Miniellus stramineus
Family: Leuciscidae
Tolerance: Intermediate
Trophic: Insectivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
3
Creek Chub
Latin: Semotilus atromaculatus
Family: Leuciscidae
Tolerance: Tolerant
Trophic: Generalist
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
3
Blackside Darter
Latin: Percina maculata
Family: Percidae
Tolerance: Sensitive
Trophic: Benthic Invertivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
3
Common Carp
Latin: Cyprinus carpio
Family: Cyprinidae
Tolerance: Tolerant
Trophic: Omnivore
Is Exotic: True
Is LithoSpawner: False
Is Hybrid: False
2
Yellow Bullhead
Latin: Ameiurus natalis
Family: Ictaluridae
Tolerance: Intermediate
Trophic: Benthic Invertivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
2
Johnny Darter
Latin: Etheostoma nigrum
Family: Percidae
Tolerance: Intermediate
Trophic: Benthic Invertivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
2
Central Stoneroller
Latin: Campostoma anomalum
Family: Leuciscidae
Tolerance: Intermediate
Trophic: Herbivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
1
Brassy Minnow
Latin: Hybognathus hankinsoni
Family: Leuciscidae
Tolerance: Intermediate
Trophic: Herbivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
1
Bigmouth Shiner
Latin: Ericymba dorsalis
Family: Leuciscidae
Tolerance: Tolerant
Trophic: Insectivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
1
Fathead Minnow
Latin: Pimephales promelas
Family: Leuciscidae
Tolerance: Tolerant
Trophic: Omnivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
1
Quillback Carpsucker
Latin: Carpiodes cyprinus
Family: Catostomidae
Tolerance: Intermediate
Trophic: Omnivore
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
1
Minnows - Unidentified
Latin: Leuciscidae spp.
Family: Leuciscidae
Tolerance: N/A
Trophic: N/A
Is Exotic: False
Is LithoSpawner: False
Is Hybrid: False
1 [X]
Collection Notes
[X] = Excluded from species count metrics

FIBI Calculation Factors

Factor Value
Drainage area (mi2) 114.6230
Log(DA) 2.0593
Total Fish 189
Fish per 500 ft 111
Total Species 21
# Excluded Taxa 2
# Exotic Species 1
# LMB-BG 0
Calculation Last Updated 2/7/2025 2:34:05 PM

Fish Index of Biotic Integrity

Metric Name Value Score
Native Species 18 5.24
Sucker Species 2 2.98
Sensitive Species 2 1.7
Benthic Invertivore Species 6 5
Top 3 Abundance Percentage 67.72 5.02
Benthic Invertivore Percentage 16.57 3.38
Omnivore Percentage 4.97 9.9
Top Carnivore Percentage 2.76 4.05
Lithophilous Spawner Percentage 5.82 2.36
Tolerance Index 6.1 6.19
Adjusted Catch per Unit Effort 15.78 1.58
DELT Percentage Adjustment 0 0

FIBI Score Explained

Sites that score between 26 - 50 are considered fair. Fish abundance ranges from lower than average to very abundant. If fish are abundant, tolerant species are usually dominant. Native fish species usually equal ten or more species. The three most abundant species typically comprise two-thirds or more of the total number of fish. One or more sensitive species, long-lived fish species or benthic habitat specialists such as suckers (Catostomidae) are present. Top carnivore species are often, but not always present in low abundance. Species that are able to utilize a wide range of food items including plant, animal and detritus are usually more common than specialized feeders, such as benthic invertivore fish. Species that require silt-free, rock substrate for spawning or feeding are typically rare or absent. Fish condition is usually good; however, elevated levels of fish exhibiting external anomalies associated with disease or stress are not unusual.

This location has been classified as a survey site. Survey sites are compared to reference sites within the same ecoregion. A reference site represents natural stream qualities that are least disturbed by human activities within the watershed. Reference sites are grouped by ecoregion to establish a benchmark against which these survey streams are compared.

EcoRegion Comparison

Scores for a sampling session are compared against reference sites within the same ecoregion:

Des Moines Lobe

This site is in the Des Moines Lobe ecoregion.

Ecoregion Map
Max 85
75th Percentile 61
Median 51
25th Percentile 38
Min 13
This Session's Score 43
Total Reference Site Samples 129
Mean 49.84
Standard Deviation 16.13