MBSS Site Summary for: PRMT-105-R-2004
Located on REEDER RUN UT in the Potomac River M tidal watershed,
8-digit code: 02140102.
This stream was visited in the spring on 3/10/2004 and again in the summer on 8/11/2004.
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 - 4.7 / 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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535 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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10 %
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Forested Land Use
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89 %
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Stream Water Quality:
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| Water temperature |
22.1 ° C
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| Dissolved oxygen (DO) |
7.4 mg/L
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| pH (lab) |
6.46 |
| Conductivity |
41 µmho/cm
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Alkalinity
(acid neutralizing capacity)
|
89 µeq/L |
| Dissolved organic carbon (DOC) |
1.8 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 |
| Common Five-Lined Skink |
| Eastern American Toad |
| Eastern Box Turtle |
| Eastern Cricket Frog |
| Eastern Snapping Turtle |
| Northern Green Frog |
| Northern Red Salamander |
| Northern Spring Peeper |
| Northern Two-Lined Salamander |
| Pickerel Frog |
| Red-Spotted Newt |
| Common Reed (Phragmites) |
| Japanese Stiltgrass |
| Mile-A-Minute |
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| Dineutus |
Whirlygig Beetle
|
10 |
| Zavrelimyia |
Non-Biting Midges
|
9 |
| Hyalella |
Amphipod
|
9 |
| Synurella |
Amphipod
|
8 |
| Leptophlebiidae |
Pronggilled Mayfly
|
7 |
| Heterotrissocladius |
European Non-Biting Midge
|
5 |
| Caecidotea |
Isopod
|
5 |
| Corynoneura |
Non-Biting Midges
|
4 |
| Parametriocnemus |
Non-Biting Midges
|
4 |
| Procladius |
Non-Biting Midge
|
4 |
| Thienemannimyia group |
Non-Biting Midges
|
4 |
| Trissopelopia |
Non-Biting Midges
|
4 |
| Apsectrotanypus |
Non-Biting Midges
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3 |
| Calopteryx |
Damselfly
|
3 |
| Stegopterna |
Black Fly
|
3 |
| Heteroplectron |
Caddisfly
|
2 |
| Simulium |
Black Fly
|
2 |
| Pycnopsyche |
Great Autumn Brown Sedge Caddisfly
|
2 |
| Tanypodinae |
Non-Biting Midges
|
2 |
| Xylotopus |
Midge
|
2 |
| Limnodrilus |
Worm
|
2 |
| Leuctridae |
Rolledwinged Stonefly
|
1 |
| Cordulegaster |
Spiketail Dragonfly
|
1 |
| Polycentropus |
Tube Maker Caddisfly
|
1 |
| Lype |
Net Tube Caddisfly
|
1 |
| Eurylophella |
Mayfly
|
1 |
| Micropsectra |
Non-Biting Midges
|
1 |
| Microtendipes |
Non-Biting Midges
|
1 |
| Nanocladius |
Non-Biting Midges
|
1 |
| Tanytarsini |
Non-Biting Midges
|
1 |
| Brillia |
Non-Biting Midges
|
1 |
| Phaenopsectra |
Non-Biting Midges
|
1 |
| Polypedilum |
Non-Biting Midges
|
1 |
| Rheosmittia |
Non-Biting Midges
|
1 |
| Stenochironomus |
European Non-Biting Midge
|
1 |
| Chrysops |
Deerfly
|
1 |
| Isotomurus |
Elongate-Bodied Springtail
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1 |
| Anisocentropus |
|
1 |
| Nyctiophylax |
|
1 |
| Sialis |
Alderfly
|
1 |
| Phylocentropus |
Caddisfly
|
1 |
| Hexatoma |
Crane Fly
|
1 |
| Ceratopogon |
Biting Midge
|
1 |
| Probezzia |
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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