MBSS Site Summary for: YOUG-208-R-2007
Located on Bear Creek in the Youghiogheny River watershed,
8-digit code: 05020201.
This stream was visited in the spring on 4/26/2007 and again in the summer on 6/21/2007.
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.
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Fish IBI
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Good - 4.5 / 5.0
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Benthic IBI
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Good - 4.5 / 5.0
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Land Use
Land use can provide important information for determining stream health.
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Catchment area
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5,118 acres
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An example of a forested stream.
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Urban Land Use
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4.2 %
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Agricultural Land Use
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30.1 %
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Forested Land Use
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64 %
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Stream Water Quality:
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| Water temperature |
12.6 ° C
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| Dissolved oxygen (DO) |
8.3 mg/L
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| pH (lab) |
7.17 |
| Conductivity |
57 µmho/cm
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Alkalinity
(acid neutralizing capacity)
|
149.4 µeq/L |
| Dissolved organic carbon (DOC) |
1.7225 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.
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The following 2 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Common name |
Count |
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White Sucker
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5 |
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Blacknose Dace
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1 |
Electrofishing to sample fish communities.
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| Allegheny Mountain Dusky Salamander |
| Northern Dusky Salamander |
| Northern Slimy Salamander |
| Seal Salamander |
| Garlic Mustard |
| Multiflora Rose |
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| Ephemerella |
Sulphur Mayfly
|
18 |
| Oulimnius |
Riffle Beetle
|
12 |
| Optioservus |
Riffle Beetle
|
10 |
| Perlodidae |
Perlodid Stonefly
|
7 |
| Diplectrona |
Net-Spinning Caddisfly
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6 |
| Epeorus |
Mayfly
|
6 |
| Prosimulium |
Black Fly
|
4 |
| Cinygmula |
Dark Red Quill Mayfly
|
4 |
| Lopescladius |
|
3 |
| Baetidae |
Small Minnow Mayfly
|
3 |
| Isoperla |
Stripetail Stonefly
|
2 |
| Chelifera |
Aquatic Dance Fly
|
2 |
| Cheumatopsyche |
Net-Spinning Caddisfly
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2 |
| Parametriocnemus |
Non-Biting Midges
|
2 |
| Paraphaenocladius |
Non-Biting Midges
|
2 |
| Neophylax |
Caddisfly
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2 |
| Perlidae |
Common Stonefly
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2 |
| Rhyacophila |
Free-Living Caddisfly
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2 |
| Pycnopsyche |
Great Autumn Brown Sedge Caddisfly
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2 |
| Dicranota |
Hairy-Eyed Cranefly
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2 |
| Brachycentridae |
Humpless Case Maker Caddisfly
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2 |
| Chloroperlidae |
Green Stonefly
|
1 |
| Ephemera |
Mayfly
|
1 |
| Serratella |
Mayfly
|
1 |
| Nigronia |
Megaloptera (Dark Fishfly)
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1 |
| Hexatoma |
Crane Fly
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1 |
| Leuctra |
Rolled-Winged Stonefly
|
1 |
| Stenonema |
Flatheaded Mayfly
|
1 |
| Stempellinella |
Non-Biting Midges
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1 |
| Leptophlebiidae |
Pronggilled Mayfly
|
1 |
| Microtendipes |
Non-Biting Midges
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1 |
| Tallaperla |
Roach-Like Stonefly
|
1 |
| Psychomyia |
Trumpet-Net Caddisfly
|
1 |
| Polycentropus |
Tube Maker Caddisfly
|
1 |
| Ectopria |
Water Penny Beetle
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1 |
Sampling with a kick net.
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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.
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