MBSS Site Summary for: PATL-517-X-2017

Site Photos

Field photo showing stream conditions at site PATL-517-X-2017-MidpointFacingDownstream (Opens in a new window) Field photo showing stream conditions at site PATL-517-X-2017-MidpointFacingUpstream (Opens in a new window)

Located on Patapsco River in the Patapsco River L N Br watershed, 8-digit code: 02130906.
This stream was visited in the spring on 3/6/2017.

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 N R
Benthic IBI Fair - 3.0 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area No data available Cows standing in a stream at a site with high agricultural land use. Cows survey the sampling procedure at this extreme example of a highly agriculturalized site.
Urban Land Use 18.6 %
Agricultural Land Use 40.2 %
Forested Land Use 37.2 %


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

Physical Stream Habitat
Instream Habitat not sampled
Epifaunal Substrate not sampled
Velocity/Depth Diversity not sampled
Pool Quality not sampled
Riffle Quality not sampled
Shading not sampled
Embeddedness not sampled


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 1 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
No amphibians and reptiles noted.

Crayfish:

Exotic Plants:
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
CRICOTOPUS Non-Biting Midges 23
GAMMARUS Amphipod 12
MACCAFFERTIUM March Brown And Cahill Mayfly 11
ORTHOCLADIINAE Midge 11
CHEUMATOPSYCHE Net-Spinning Caddisfly 10
EUKIEFFERIELLA Non-Biting Midges 7
HYDROPSYCHE Net-Spinning Caddisfly 6
CHIMARRA Fingernet Caddisfly 5
GIRARDIA Freshwater Flatworm 4
RHEOTANYTARSUS Non-Biting Midges 2
NANOCLADIUS Non-Biting Midges 2
ORTHOCLADIUS Non-Biting Midges 1
TVETENIA Non-Biting Midges 1
MICROCYLLOEPUS Riffle Beetle 1
ISONYCHIA Slate Drake Mayfly 1
PSEPHENUS Water Penny 1
TAENIOPTERYX Winter Stonefly 1
DIAMESINAE Non-Biting Midges 1
CORYNONEURA Non-Biting Midges 1
CLINOCERA Aquatic Dance Fly 1
NAIDIDAE Aquatic Worm 1
STENELMIS Beetle 1
PROSIMULIUM Black Fly 1
SIMULIUM Black Fly 1
STROPHOPTERYX Early Brown Stonefly 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.