MBSS Site Summary for: MATT-102-A-2012

Site Photos

Field photo showing stream conditions at site MATT-102-A-2012-1 (Opens in a new window) Field photo showing stream conditions at site MATT-102-A-2012-2 (Opens in a new window)

Located on OLD WOMANS RUN in the Mattawoman Creek watershed, 8-digit code: 02140111.
This stream was visited in the spring on 3/6/2012 and again in the summer on 6/11/2012.

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 - 4.0 / 5.0
Benthic IBI Good - 4.4 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 2,467 acres A highly channelized urban stream with concrete banks. An example of a highly channelized urban stream.
Urban Land Use 17.9 %
Agricultural Land Use 11.7 %
Forested Land Use 68.2 %


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

Physical Stream Habitat
Instream Habitat 16/20 (Optimal)
Epifaunal Substrate 17/20 (Optimal)
Velocity/Depth Diversity 11/20 (Suboptimal)
Pool Quality
Pool Extent = 75 meters 		18/20 (Optimal)
Riffle Quality
Riffle Extent = 8 meters 		6/20 (Marginal)
Shading 85 %
Embeddedness 30 %
Several measures of instream habitat were considered 'Optimal' at this location.


Stream Water Quality:
pH (lab) 6.5
Alkalinity
(acid neutralizing capacity) 		132.6 µeq/L
Dissolved organic carbon (DOC) 3.0153 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 14 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 57
Green Sunfish 23
White Sucker 23
American Eel 19
Creek Chub 14
Tessellated Darter 14
Creek Chubsucker 7
Eastern Mudminnow 4
Sea Lamprey 4
Eastern Mosquitofish 3
Least Brook Lamprey 2
Rosyside Dace 2
Pirate Perch 1
Pumpkinseed 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Cope's Gray Treefrog
Northern Green Frog
Pickerel Frog

Crayfish:
No crayfish noted.

Exotic Plants:
Japanese Honeysuckle
Japanese Stiltgrass
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Isoperla Stripetail Stonefly 32
Acerpenna Tiny Blue-Winged Olive Mayflies 12
Ephemerella Sulphur Mayfly 11
Amphinemura Spring Stonefly 7
PERLODIDAE Perlodid Stonefly 6
Parametriocnemus Non-Biting Midges 6
Hydrobaenus Midge 4
Orthocladius Non-Biting Midges 4
CAPNIIDAE Small Winter Stonefly 3
Orthocladiinae Midge 3
CHLOROPERLIDAE Green Stonefly 3
Prosimulium Black Fly 2
Neophylax Caddisfly 2
Cheumatopsyche Net-Spinning Caddisfly 2
Cricotopus Non-Biting Midges 2
Eukiefferiella Non-Biting Midges 2
Rheotanytarsus Non-Biting Midges 2
Ironoquia Northern Caddisfly 1
Dubiraphia Riffle Beetle 1
Optioservus Riffle Beetle 1
Clinocera Aquatic Dance Fly 1
Rheocricotopus Non-Biting Midges 1
Diplocladius Non-Biting Midges 1
NEMOURIDAE Nemourid Stonefly 1
PERLIDAE Common Stonefly 1
EMPIDIDAE Dance Fly 1
Strophopteryx Early Brown Stonefly 1
Diamesa Bloodworm 1
Clioperla Green-Winged Stonefly 1
Eurylophella Mayfly 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.