MBSS Site Summary for: BRIG-132-R-2014
Located on PATUXENT RIVER UT in the Brighton Dam watershed,
8-digit code: 02131108.
This stream was visited in the spring on 3/10/2014 and again in the summer on 6/10/2014.
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
|
Poor - 1.3 / 5.0
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|
Benthic IBI
|
Good - 4.3 / 5.0
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Land Use
Land use can provide important information for determining stream health.
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Catchment area
|
216 acres
|
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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12.8 %
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|
Agricultural Land Use
|
47.1 %
|
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Forested Land Use
|
39.1 %
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Stream Water Quality:
|
| pH (lab) |
7.08 |
Alkalinity
(acid neutralizing capacity)
|
301.8 µeq/L |
| Dissolved organic carbon (DOC) |
1.3674 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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| Eastern American Toad |
| Northern Green Frog |
| Cambarus bartonii bartonii |
| Cambarus diogenes |
| Orconectes virilis |
| Garlic Mustard |
| Japanese Barberry |
| Japanese Honeysuckle |
| Multiflora Rose |
| Oriental Bittersweet |
| Vinca Vine |
|
|
|
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
|
| Genus/Family |
Common Name |
Count |
| Prosimulium |
Black Fly
|
15 |
| Eukiefferiella |
Non-Biting Midges
|
9 |
| Micropsectra |
Non-Biting Midges
|
9 |
| Diplectrona |
Net-Spinning Caddisfly
|
8 |
| Neophylax |
Caddisfly
|
8 |
| Amphinemura |
Spring Stonefly
|
8 |
| Stegopterna |
Black Fly
|
7 |
| Cheumatopsyche |
Net-Spinning Caddisfly
|
5 |
| Ephemerella |
Sulphur Mayfly
|
5 |
| Tvetenia |
Non-Biting Midges
|
4 |
| Tanytarsus |
Non-Biting Midges
|
4 |
| Maccaffertium |
March Brown And Cahill Mayfly
|
4 |
| Parametriocnemus |
Non-Biting Midges
|
3 |
| Hydropsyche |
Net-Spinning Caddisfly
|
3 |
| Microtendipes |
Non-Biting Midges
|
3 |
| Tanypodinae |
Non-Biting Midges
|
2 |
| Diphetor |
Mayfly
|
2 |
| Parakiefferiella |
European Non-Biting Midge
|
2 |
| Psilotreta |
Mortarjoint Casemaker Caddisfly
|
2 |
| Ceratopogon |
Biting Midge
|
2 |
| Perlidae |
Common Stonefly
|
2 |
| Pseudolimnophila |
Crane Fly
|
2 |
| Prostoia |
Spring Stonefly
|
2 |
| Eccoptura |
Yellow Stone Stonefly
|
2 |
| Lumbriculidae |
Worm
|
1 |
| Limnephilidae |
Northern Casemaker Caddisfly
|
1 |
| Leptophlebiidae |
Pronggilled Mayfly
|
1 |
| Optioservus |
Riffle Beetle
|
1 |
| Capniidae |
Small Winter Stonefly
|
1 |
| Tipula |
Crane Fly
|
1 |
| Stylogomphus |
Clubtail Dragonfly
|
1 |
| Leuctra |
Rolled-Winged Stonefly
|
1 |
| Nemouridae |
Nemourid Stonefly
|
1 |
| Chimarra |
Fingernet Caddisfly
|
1 |
| Orthocladiinae |
Midge
|
1 |
| Stilocladius |
Midge
|
1 |
| Trissopelopia |
Non-Biting Midges
|
1 |
| Paratanytarsus |
Non-Biting Midges
|
1 |
| Polypedilum |
Non-Biting Midges
|
1 |
| Pseudorthocladius |
Non-Biting Midges
|
1 |
| Orthocladius |
Non-Biting Midges
|
1 |
| Brillia |
Non-Biting Midges
|
1 |
| Corynoneura |
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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