MBSS Site Summary for: MO-P-126-206-97


Located on HAWLINGS R in the Rocky Gorge Dam watershed, 8-digit code: 02131107.
This stream was visited in the spring on 3/21/1997 and again in the summer on 7/18/1997.

Index of Biotic Integrity (IBI) Results:

An Index of Biotic Integrity (IBI) is a scientific tool used to identify and classify stream health. An IBI associates anthropogenic influences on a stream or with biological condition in the stream, and is formulated using data developed from biosurveys.
Details on the development and application of MBSS IBIs are in this document.
Fish IBI Fair - 3.3 / 5.0
Benthic IBI Good - 4.7 / 5.0

Land Use

Land use can provide important information for determining stream health.
(Hint: Screen readers will announce definitions; mouse users can hover over dotted text.)
Catchment area 1,172 acres Cows standing in a stream at a site with high agricultural land use. Cows survey the sampling procedure at this extreme example of a highly agriculturalized site.
Urban Land Use 0 %
Agricultural Land Use 74.9 %
Forested Land Use 24.4 %


Stream showing woody debris, logs, and rocky substrate.
An example of woody debris in a stream.

Physical Stream Habitat
Instream Habitat 12/20 (Suboptimal)
Epifaunal Substrate 15/20 (Suboptimal)
Velocity/Depth Diversity 14/20 (Suboptimal)
Pool Quality
Pool Extent = meters 		16/20 (Optimal)
Riffle Quality 14/20 (Suboptimal)
Shading 90 %
Embeddedness 10 %


Stream Water Quality:
Water temperature 20.5 ° C
Dissolved oxygen (DO) 8.3 mg/L
pH (lab) 6.93
Conductivity 74 µmho/cm
Alkalinity
(acid neutralizing capacity) 		236 µeq/L
Dissolved organic carbon (DOC) 1.5 mg/L

Biological Stream Condition:

Surveys of the organisms living within a stream can give indications of stream health. Species richness, or the number of different species present, as well as indicator species (species whose presence, absence or abundance can serve as a measure of environmental conditions) are informative for stream health. 		Close-up of a mayfly indicator species.

Fish Survey Results:
The following 9 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 337
Rosyside Dace 127
White Sucker 81
Creek Chub 69
Green Sunfish 19
Tessellated Darter 13
Fallfish 1
Longnose Dace 1
Northern Hogsucker 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Green Frog
Northern Red Salamander
Northern Spring Peeper
Northern Two-Lined Salamander
Pickerel Frog

Crayfish:
Cambarus bartonii bartonii
Orconectes virilis

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Ephemerella Sulphur Mayfly 32
Cricotopus/Orthocladius Midge 10
Paraleptophlebia Blue Quill Mayfly 5
Polypedilum Non-Biting Midges 4
Tanytarsus Non-Biting Midges 4
Thienemannimyia Non-Biting Midges 4
Parametriocnemus Non-Biting Midges 3
Stenonema Flatheaded Mayfly 3
Probezzia Biting Midges 3
Cheumatopsyche Net-Spinning Caddisfly 3
Diplectrona Net-Spinning Caddisfly 3
Clioperla Green-Winged Stonefly 2
Antocha Crane Fly 2
Eukiefferiella Non-Biting Midges 2
Simulium Black Fly 2
Stenelmis Beetle 2
Amphinemura Spring Stonefly 2
Prostoia Spring Stonefly 1
Acerpenna Tiny Blue-Winged Olive Mayflies 1
Oulimnius Riffle Beetle 1
Sialis Alderfly 1
Rhyacophila Free-Living Caddisfly 1
Neophylax Caddisfly 1
Glossosoma Little Black Caddisfly 1
Eurylophella Mayfly 1
Hydropsyche Net-Spinning Caddisfly 1
Cryptochironomus Non-Biting Midges 1
Kick net sampling for macroinvertebrates.
Sampling with a kick net.

Information disclaimer: The information and data on this page is for guidance and general planning purposes only. It should not be used to make decisions on specific matters.