MBSS Site Summary for: BA-P-415-119-95


Located on COOPER BR in the Patapsco River L N Br watershed, 8-digit code: 02130906.
This stream was visited in the spring on 3/27/1995 and again in the summer on 7/3/1995.

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 Poor - 1.0 / 5.0
Benthic IBI Poor - 1.0 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 522 acres A highly channelized urban stream with concrete banks. An example of a highly channelized urban stream.
Urban Land Use 34.4 %
Agricultural Land Use 8.1 %
Forested Land Use 57.9 %


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

Physical Stream Habitat
Instream Habitat 17/20 (Optimal)
Epifaunal Substrate 16/20 (Optimal)
Velocity/Depth Diversity 15/20 (Suboptimal)
Pool Quality
Pool Extent = meters 		15/20 (Suboptimal)
Riffle Quality 14/20 (Suboptimal)
Shading 86 %
Embeddedness 10 %


Stream Water Quality:
Water temperature 17.8 ° C
Dissolved oxygen (DO) 8.9 mg/L
pH (lab) 8.86
Conductivity 296 µmho/cm
Alkalinity
(acid neutralizing capacity) 		1890 µeq/L
Dissolved organic carbon (DOC) 2 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. 		Close-up of a mayfly indicator species.

Fish Survey Results:
The following 1 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 7
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Red Salamander
Northern Two-Lined Salamander

Crayfish:
No crayfish noted.

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Diamesa Bloodworm 50
Cricotopus Non-Biting Midges 13
Eukiefferiella Non-Biting Midges 13
Orthocladius Non-Biting Midges 8
Cricotopus/Orthocladius Midge 5
Hydropsyche Net-Spinning Caddisfly 5
Cheumatopsyche Net-Spinning Caddisfly 2
Antocha Crane Fly 2
Tipula Crane Fly 1
Sublettea 1
Physa Air-Breathing Freshwater Snail 1
Stenelmis Beetle 1
Hemerodromia Tiny Fly 1
Diplectrona Net-Spinning Caddisfly 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.