MBSS Site Summary for: STIL-108-B-2008
Located on UT TO STILLPOND CREEK in the Stillpond-Fairlee watershed,
8-digit code: 02130611.
This stream was visited in the spring on 3/24/2008 and again in the summer on 7/17/2008.
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
|
Fair - 3.0 / 5.0
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Benthic IBI
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Fair - 3.6 / 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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1,189 acres
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Cows survey the sampling procedure at this extreme example of a highly agriculturalized site.
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Urban Land Use
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1.2 %
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Agricultural Land Use
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81.2 %
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Forested Land Use
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16.1 %
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Stream Water Quality:
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| Water temperature |
21.7 ° C
|
| Dissolved oxygen (DO) |
0.3 mg/L
|
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Dissolved oxygen levels measured in the stream were very low (0.3 mg/L).
Many fishes and other aquatic animals cannot tolerate low levels of oxygen in the water.
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| pH (lab) |
6.51 |
| Conductivity |
235 µmho/cm
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Alkalinity
(acid neutralizing capacity)
|
175.3 µeq/L |
| Dissolved organic carbon (DOC) |
1.6302 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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| American Bullfrog |
| Eastern Cricket Frog |
| Eastern Snapping Turtle |
| Fowler's Toad |
| Gray Treefrog |
| Northern Green Frog |
| Pickerel Frog |
| Southern Leopard Frog |
| Japanese Honeysuckle |
| Japanese Stiltgrass |
| Multiflora Rose |
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| Stegopterna |
Black Fly
|
27 |
| Pisidiidae |
Pill Clam
|
17 |
| Thienemannimyia Group |
Non-Biting Midges
|
11 |
| Polycentropus |
Tube Maker Caddisfly
|
9 |
| Tanytarsus |
Non-Biting Midges
|
7 |
| Orthocladius |
Non-Biting Midges
|
7 |
| Tanypodinae |
Non-Biting Midges
|
4 |
| Stenelmis |
Beetle
|
3 |
| Paratendipes |
European Non-Biting Midge
|
3 |
| Stempellinella |
Non-Biting Midges
|
2 |
| Rheocricotopus |
Non-Biting Midges
|
2 |
| Dytiscidae |
Predaceous Diving Beetle
|
2 |
| Trissopelopia |
Non-Biting Midges
|
1 |
| Rheotanytarsus |
Non-Biting Midges
|
1 |
| Parametriocnemus |
Non-Biting Midges
|
1 |
| Paratanytarsus |
Non-Biting Midges
|
1 |
| Calopteryx |
Damselfly
|
1 |
| Parakiefferiella |
European Non-Biting Midge
|
1 |
| Oecetis |
Long-Horned Caddisfly
|
1 |
| Nigronia |
Megaloptera (Dark Fishfly)
|
1 |
| Lype |
Net Tube Caddisfly
|
1 |
| Ablabesmyia |
Non-Biting Midge
|
1 |
| Clinotanypus |
Non-Biting Midge
|
1 |
| Corynoneura |
Non-Biting Midges
|
1 |
| Prosimulium |
Black Fly
|
1 |
| Menetus |
Air Breathing Freshwater Snail
|
1 |
| Physa |
Air-Breathing Freshwater Snail
|
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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