MBSS Site Summary for: UELK-308-R-2017
Located on Big Elk Creek in the Upper Elk River watershed,
8-digit code: 02130603.
This stream was visited in the spring on 4/5/2017 and again in the summer on 8/3/2017.
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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Fair - 3.9 / 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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37,378 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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23 %
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Agricultural Land Use
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44 %
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Forested Land Use
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29.3 %
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Stream Water Quality:
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| pH (lab) |
7.36 |
Alkalinity
(acid neutralizing capacity)
|
549.2 µeq/L |
| Dissolved organic carbon (DOC) |
2.7867 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 |
| American Toad |
| Eastern American Toad |
| Fowler's Toad |
| Northern Green Frog |
| Callinectes sapidus |
| Orconectes limosus |
| Garlic Mustard |
| Japanese Honeysuckle |
| Japanese Hops |
| Japanese Knotweed |
| Japanese Stiltgrass |
| Lesser Celandine (Fig Buttercup) |
| Oriental Bittersweet |
| Wineberry |
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| ORTHOCLADIUS |
Non-Biting Midges
|
20 |
| CHEUMATOPSYCHE |
Net-Spinning Caddisfly
|
16 |
| HYDROPSYCHE |
Net-Spinning Caddisfly
|
12 |
| MICROTENDIPES |
Non-Biting Midges
|
11 |
| GAMMARUS |
Amphipod
|
9 |
| MACCAFFERTIUM |
March Brown And Cahill Mayfly
|
7 |
| ORTHOCLADIINAE |
Midge
|
6 |
| CORBICULA |
Basket Clam
|
5 |
| STENELMIS |
Beetle
|
3 |
| ANTOCHA |
Crane Fly
|
3 |
| CHIMARRA |
Fingernet Caddisfly
|
2 |
| CLINOCERA |
Aquatic Dance Fly
|
2 |
| SIMULIUM |
Black Fly
|
1 |
| CAECIDOTEA |
Isopod
|
1 |
| HYDROPTILA |
Microcaddisfly
|
1 |
| POTTHASTIA |
Non-Biting Midges
|
1 |
| RHEOCRICOTOPUS |
Non-Biting Midges
|
1 |
| MACRONYCHUS |
Riffle Beetle
|
1 |
| MICROCYLLOEPUS |
Riffle Beetle
|
1 |
| OPTIOSERVUS |
Riffle Beetle
|
1 |
| OULIMNIUS |
Riffle Beetle
|
1 |
| ISONYCHIA |
Slate Drake Mayfly
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1 |
| ACENTRELLA |
Tiny Blue-Winged Olive Mayflies
|
1 |
| NEOPLASTA |
|
1 |
| CHIRONOMUS |
Non-Biting Midges
|
1 |
| DICROTENDIPES |
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.