MBSS Site Summary for: GA-A-279-104-97


Located on LITTLE YOUGHIOGHENY R UT1 in the Little Youghiogheny R watershed, 8-digit code: 05020202.
This stream was visited in the spring on 4/2/1997 and again in the summer on 8/27/1997.

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 - 3.0 / 5.0
Benthic IBI Fair - 3.5 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 550 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 0.6 %
Agricultural Land Use 31 %
Forested Land Use 68 %


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

Physical Stream Habitat
Instream Habitat 8/20 (Marginal)
Epifaunal Substrate 6/20 (Marginal)
Velocity/Depth Diversity 7/20 (Marginal)
Pool Quality
Pool Extent = meters 		6/20 (Marginal)
Riffle Quality 8/20 (Marginal)
Shading 95 %
Embeddedness 20 %


Stream Water Quality:
Water temperature 21.2 ° C
Dissolved oxygen (DO) 7.2 mg/L
pH (lab) 7.06
Conductivity 196 µmho/cm
Alkalinity
(acid neutralizing capacity) 		274.2 µeq/L
Dissolved organic carbon (DOC) 1.2 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 3 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 48
Creek Chub 9
White Sucker 2
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Dusky Salamander
Northern Two-Lined Salamander

Crayfish:
No crayfish noted.

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Leuctra  Rolled-Winged Stonefly 28
Ephemerella Sulphur Mayfly 15
Cricotopus/Orthocladius Midge 11
Parametriocnemus Non-Biting Midges 8
Optioservus Riffle Beetle 6
Baetidae Small Minnow Mayfly 6
Eukiefferiella Non-Biting Midges 5
Amphinemura Spring Stonefly 4
Thienemanniella Non-Biting Midges 3
Diploperla 3
Prosimulium Black Fly 3
Diamesa Bloodworm 3
Trissopelopia Non-Biting Midges 2
Isoperla Stripetail Stonefly 2
Stempellinella Non-Biting Midges 1
Lumbriculidae Worm 1
Paraleptophlebia Blue Quill Mayfly 1
Stenonema Flatheaded Mayfly 1
Rhyacophila Free-Living Caddisfly 1
Chloroperlidae Green Stonefly 1
Dicranota Hairy-Eyed Cranefly 1
Pagastia 1
Micropsectra Non-Biting Midges 1
Diplectrona Net-Spinning Caddisfly 1
Brillia Non-Biting Midges 1
Conchapelopia 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.