MBSS Site Summary for: CASS-103-R-2015
Located on BLANDY RUN in the Casselman River watershed,
8-digit code: 05020204.
This stream was visited in the spring on 3/19/2015 and again in the summer on 6/26/2015.
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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Fair - 3.5 / 5.0
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Benthic IBI
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Fair - 3.8 / 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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1,012 acres
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An example of a forested stream.
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Urban Land Use
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14.6 %
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Agricultural Land Use
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26.3 %
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Forested Land Use
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58 %
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Stream Water Quality:
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| pH (lab) |
7.1 |
Alkalinity
(acid neutralizing capacity)
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182 µeq/L |
| Dissolved organic carbon (DOC) |
1.3556 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 3 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Common name |
Count |
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Blacknose Dace
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36 |
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Creek Chub
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18 |
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Yellow Perch
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1 |
Electrofishing to sample fish communities.
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| Northern Green Frog |
| Northern Slimy Salamander |
| Northern Two-Lined Salamander |
| Wood Frog |
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| Micropsectra |
Non-Biting Midges
|
24 |
| Prosimulium |
Black Fly
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23 |
| Neophylax |
Caddisfly
|
18 |
| Leuctra |
Rolled-Winged Stonefly
|
16 |
| Oulimnius |
Riffle Beetle
|
10 |
| Parametriocnemus |
Non-Biting Midges
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6 |
| Rhyacophila |
Free-Living Caddisfly
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5 |
| Amphinemura |
Spring Stonefly
|
4 |
| Ephemerella |
Sulphur Mayfly
|
3 |
| Paracapnia |
Small Winter Stonefly
|
3 |
| Microtendipes |
Non-Biting Midges
|
3 |
| Cheumatopsyche |
Net-Spinning Caddisfly
|
3 |
| Diplectrona |
Net-Spinning Caddisfly
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3 |
| Hydropsyche |
Net-Spinning Caddisfly
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2 |
| Philopotamidae |
Fingernet Caddisfly
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2 |
| Optioservus |
Riffle Beetle
|
2 |
| Trissopelopia |
Non-Biting Midges
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1 |
| Tvetenia |
Non-Biting Midges
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1 |
| Polycentropus |
Tube Maker Caddisfly
|
1 |
| Allocapnia |
Small Winter Stonefly
|
1 |
| Chironomini |
Non-Biting Midge
|
1 |
| Eukiefferiella |
Non-Biting Midges
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1 |
| Enchytraeidae |
Aquatic Worm
|
1 |
| Bezzia |
Biting Midge
|
1 |
| Dicranota |
Hairy-Eyed Cranefly
|
1 |
| Lepidostoma |
Little Brown Sedge Caddisfly
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1 |
| Eurylophella |
Mayfly
|
1 |
| Orthocladiinae |
Midge
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1 |
| Nemouridae |
Nemourid Stonefly
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1 |
| Lanthus |
Clubtail Dragonfly
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1 |
| Heleniella |
European Non-Biting Midge
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1 |
| Heterotrissocladius |
European Non-Biting Midge
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1 |
| Chimarra |
Fingernet Caddisfly
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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.
