MBSS Site Summary for: AL-A-255-108-95
Located on GROSS HOLLOW UT1 in the Potomac River AL Cnty watershed,
8-digit code: 02140508.
This stream was visited in the spring on 3/24/1995 and again in the summer on 6/21/1995.
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.
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Fish IBI
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Poor - 1.0 / 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.
(Hint: Screen readers will announce definitions; mouse users can hover over dotted text.)
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Catchment area
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203 acres
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An example of a forested stream.
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Urban Land Use
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0 %
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Agricultural Land Use
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0.2 %
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Forested Land Use
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100 %
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Stream Water Quality:
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| Water temperature |
15.8 ° C
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| Dissolved oxygen (DO) |
6.5 mg/L
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| pH (lab) |
7.14 |
| Conductivity |
89 µmho/cm
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Alkalinity
(acid neutralizing capacity)
|
255.7 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.
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The following 1 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Common name |
Count |
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No Fish Observed
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0 |
Electrofishing to sample fish communities.
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| Eastern Smooth Earthsnake |
| Northern Dusky Salamander |
| Red-Spotted Newt |
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| Ameletus |
Combmouthed Minnow Mayfly
|
23 |
| Ostrocerca |
Stonefly
|
19 |
| Neophylax |
Caddisfly
|
15 |
| Leuctra |
Rolled-Winged Stonefly
|
11 |
| Ephemerella |
Sulphur Mayfly
|
11 |
| Sweltsa |
Stonefly
|
10 |
| Paraleptophlebia |
Blue Quill Mayfly
|
9 |
| Caecidotea |
Isopod
|
8 |
| Micropsectra |
Non-Biting Midges
|
8 |
| Parametriocnemus |
Non-Biting Midges
|
6 |
| Prosimulium |
Black Fly
|
5 |
| Stegopterna |
Black Fly
|
3 |
| Lepidostoma |
Little Brown Sedge Caddisfly
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3 |
| Epeorus |
Mayfly
|
3 |
| Perlodidae |
Perlodid Stonefly
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3 |
| Heleniella |
European Non-Biting Midge
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2 |
| Heptageniidae |
Flathead Mayfly
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1 |
| Limnephilidae |
Northern Casemaker Caddisfly
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1 |
| Corynoneura |
Non-Biting Midges
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1 |
| Homoplectra |
|
1 |
| Lumbriculidae |
Worm
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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.
