MBSS Site Summary for: PATL-213-X-2017

Site Photos

Field photo showing stream conditions at site PATL-213-X-2017-MidpointLookingDownstream (Opens in a new window) Field photo showing stream conditions at site PATL-213-X-2017-MidpointLookingUpstream (Opens in a new window)

Located on Brice Run in the Patapsco River L N Br watershed, 8-digit code: 02130906.
This stream was visited in the spring on 3/6/2017 and again in the summer on 7/10/2017.

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.
Fish IBI Good - 4.7 / 5.0
Benthic IBI Poor - 2.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 6,356 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 17.7 %
Agricultural Land Use 32.5 %
Forested Land Use 47.5 %


Stream showing woody debris, logs, and rocky substrate.
An example of woody debris in a stream.

Physical Stream Habitat
Instream Habitat 15/20 (Suboptimal)
Epifaunal Substrate 14/20 (Suboptimal)
Velocity/Depth Diversity 16/20 (Optimal)
Pool Quality
Pool Extent = 51 meters 		13/20 (Suboptimal)
Riffle Quality
Riffle Extent = 24 meters 		16/20 (Optimal)
Shading 60 %
Embeddedness 10 %


Stream Water Quality:
No water quality measurements available for this site.

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. 		Close-up of a mayfly indicator species.

Fish Survey Results:
The following 27 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Bluntnose Minnow 105
Blue Ridge Sculpin 84
White Sucker 46
Cutlip Minnow 44
Longnose Dace 40
Redbreast Sunfish 31
Spotfin Shiner 30
Central Stoneroller 29
Common Shiner 29
Rosyside Dace 29
Rock Bass 26
Blacknose Dace 21
American Eel 12
Swallowtail Shiner 12
Green Sunfish 7
River Chub 7
Tessellated Darter 6
Yellow Bullhead 6
Smallmouth Bass 5
Satinfin Shiner 2
Brown Trout 1
Creek Chub 1
Lepomis Hybrid 1
Margined Madtom 1
Pumpkinseed 1
Rainbow Trout 1
Spottail Shiner 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Pickerel Frog

Crayfish:
Orconectes virilis

Exotic Plants:
Autumn Olive
Daylily(Common)
Garlic Mustard
Japanese Barberry
Japanese Honeysuckle
Japanese Stiltgrass
Mile-A-Minute
Multiflora Rose
Oriental Bittersweet
Vinca Vine
Wavyleaf Basketgrass
Wineberry
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
GAMMARUS Amphipod 24
CRICOTOPUS Non-Biting Midges 13
CHEUMATOPSYCHE Net-Spinning Caddisfly 12
BRILLIA Non-Biting Midges 9
ORTHOCLADIINAE Midge 7
ORTHOCLADIUS Non-Biting Midges 6
HYDROPSYCHE Net-Spinning Caddisfly 5
DIAMESA Bloodworm 4
RHEOCRICOTOPUS Non-Biting Midges 4
THIENEMANNIELLA Non-Biting Midges 3
CHIMARRA Fingernet Caddisfly 3
DIAMESINAE Non-Biting Midges 3
HYDROBAENUS Midge 2
CLINOCERA Aquatic Dance Fly 2
POLYPEDILUM Non-Biting Midges 2
PROSTOIA Spring Stonefly 1
RHEOTANYTARSUS Non-Biting Midges 1
TANYTARSUS Non-Biting Midges 1
PROSIMULIUM Black Fly 1
TIPULA Crane Fly 1
STROPHOPTERYX Early Brown Stonefly 1
MACCAFFERTIUM March Brown And Cahill Mayfly 1
EUKIEFFERIELLA Non-Biting Midges 1
PARAMETRIOCNEMUS Non-Biting Midges 1
CORYNONEURA Non-Biting Midges 1
Kick net sampling for macroinvertebrates.
Sampling with a kick net.

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.