MBSS Site Summary for: GA-A-111-316-95


Located on LITTLE YOUGHIOGHENY R in the Little Youghiogheny R watershed, 8-digit code: 05020202.
This stream was visited in the spring on 4/5/1995 and again in the summer on 8/23/1995.

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 Poor - 2.5 / 5.0
Benthic IBI Poor - 2.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 8,311 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 1 %
Agricultural Land Use 23.6 %
Forested Land Use 74.5 %


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

Physical Stream Habitat
Instream Habitat 15/20 (Suboptimal)
Epifaunal Substrate 4/20 (Poor)
Velocity/Depth Diversity 9/20 (Marginal)
Pool Quality
Pool Extent = meters 		17/20 (Optimal)
Riffle Quality 4/20 (Poor)
Shading 97 %
Embeddedness 40 %


Stream Water Quality:
Water temperature 16.5 ° C
Dissolved oxygen (DO) 6.9 mg/L
pH (lab) 7.4
Conductivity 111 µmho/cm
Alkalinity
(acid neutralizing capacity) 		356.4 µeq/L
Dissolved organic carbon (DOC) 2 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 10 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
White Sucker 57
Pumpkinseed 36
Yellow Perch 16
Golden Shiner 15
Redfin Pickerel 10
Bluegill 8
River Chub 5
Brown Bullhead 2
Largemouth Bass 2
Creek Chub 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Smooth Greensnake

Crayfish:
No crayfish noted.

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Orthocladius Non-Biting Midges 20
Paratanytarsus Non-Biting Midges 17
Cricotopus Non-Biting Midges 13
Parametriocnemus Non-Biting Midges 7
Polypedilum Non-Biting Midges 7
Paraleptophlebia Blue Quill Mayfly 7
Brillia Non-Biting Midges 7
Ephemerella Sulphur Mayfly 4
Thienemanniella Non-Biting Midges 1
Microtendipes Non-Biting Midges 1
Conchapelopia Non-Biting Midges 1
Gammarus Amphipod 1
Prosimulium Black Fly 1
Simulium Black Fly 1
Calopteryx Damselfly 1
Rhyacophila Free-Living Caddisfly 1
Eurylophella Mayfly 1
Stenacron Mayfly 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.