MBSS Site Summary for: CORS-104-X-2008
Located on UT TO THREE BRIDGES BRANCH in the Corsica River watershed,
8-digit code: 02130507.
This stream was visited in the spring on 3/26/2008 and again in the summer on 7/15/2008.
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
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Good - 4.3 / 5.0
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Benthic IBI
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Good - 4.4 / 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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2,023 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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2.2 %
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Agricultural Land Use
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74.2 %
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Forested Land Use
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22.6 %
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Stream Water Quality:
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| Water temperature |
20.6 ° C
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| Dissolved oxygen (DO) |
6.8 mg/L
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| pH (lab) |
7.6 |
| Conductivity |
249 µmho/cm
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Alkalinity
(acid neutralizing capacity)
|
938.8 µeq/L |
| Dissolved organic carbon (DOC) |
5.4254 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 American Toad |
| Eastern Box Turtle |
| Eastern Mud Turtle |
| Northern Green Frog |
| Pickerel 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 |
| Rheotanytarsus |
Non-Biting Midges
|
15 |
| Maccaffertium |
March Brown And Cahill Mayfly
|
8 |
| Thienemannimyia Group |
Non-Biting Midges
|
8 |
| Tanytarsus |
Non-Biting Midges
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6 |
| Paratanytarsus |
Non-Biting Midges
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6 |
| Polypedilum |
Non-Biting Midges
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5 |
| Tvetenia |
Non-Biting Midges
|
4 |
| Pisidiidae |
Pill Clam
|
4 |
| Cheumatopsyche |
Net-Spinning Caddisfly
|
4 |
| Ablabesmyia |
Non-Biting Midge
|
3 |
| Gammarus |
Amphipod
|
3 |
| Orthocladius |
Non-Biting Midges
|
3 |
| Rheocricotopus |
Non-Biting Midges
|
3 |
| Trissopelopia |
Non-Biting Midges
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3 |
| Polycentropus |
Tube Maker Caddisfly
|
2 |
| Psephenus |
Water Penny
|
2 |
| Corynoneura |
Non-Biting Midges
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2 |
| Isoperla |
Stripetail Stonefly
|
2 |
| Physa |
Air-Breathing Freshwater Snail
|
2 |
| Prosimulium |
Black Fly
|
2 |
| Nigronia |
Megaloptera (Dark Fishfly)
|
2 |
| Chelifera |
Aquatic Dance Fly
|
2 |
| Stenelmis |
Beetle
|
2 |
| Ceratopogonidae |
Biting Midge
|
1 |
| Dolophilodes |
Medium Evening Sedge Caddisfly
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1 |
| Orthocladiinae |
Midge
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1 |
| Argia |
Narrow-Winged Damselfly
|
1 |
| Chironomini |
Non-Biting Midge
|
1 |
| Paraleptophlebia |
Blue Quill Mayfly
|
1 |
| Neophylax |
Caddisfly
|
1 |
| Calopteryx |
Damselfly
|
1 |
| Chrysops |
Deerfly
|
1 |
| Heptageniidae |
Flathead Mayfly
|
1 |
| Menetus |
Air Breathing Freshwater Snail
|
1 |
| Synurella |
Amphipod
|
1 |
| Ephemerella |
Sulphur Mayfly
|
1 |
| Acerpenna |
Tiny Blue-Winged Olive Mayflies
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1 |
| Hemerodromia |
Tiny Fly
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1 |
| Dytiscidae |
Predaceous Diving Beetle
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1 |
| Dubiraphia |
Riffle Beetle
|
1 |
| Macronychus |
Riffle Beetle
|
1 |
| Labrundinia |
Non-Biting Midges
|
1 |
| Potthastia |
Non-Biting Midges
|
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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