MBSS Site Summary for: MATT-033-S-2000

Site Photos

Field photo showing stream conditions at site MATT-033-S-2000-01 (Opens in a new window) Field photo showing stream conditions at site MATT-033-S-2000-02 (Opens in a new window)

Located on MATTAWOMAN CR in the Mattawoman Creek watershed, 8-digit code: 02140111.
This stream was visited in the spring on 5/1/2000 and again in the summer on 9/14/2000.

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 Fair - 3.3 / 5.0
Benthic IBI Fair - 3.9 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 40,651 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 9.5 %
Agricultural Land Use 17.6 %
Forested Land Use 70 %


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

Physical Stream Habitat
Instream Habitat 19/20 (Optimal)
Epifaunal Substrate 18/20 (Optimal)
Velocity/Depth Diversity 17/20 (Optimal)
Pool Quality
Pool Extent = 70 meters 		12/20 (Suboptimal)
Riffle Quality
Riffle Extent = 12 meters 		13/20 (Suboptimal)
Shading 85 %
Embeddedness 35 %
Several measures of instream habitat were considered 'Optimal' at this location.


Stream Water Quality:
Water temperature 21.4 ° C
Dissolved oxygen (DO) 8.6 mg/L
pH (lab) 6.73
Conductivity 80 µmho/cm
Alkalinity
(acid neutralizing capacity) 		170.2 µeq/L
Dissolved organic carbon (DOC) 7 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 16 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Pumpkinseed 443
Tessellated Darter 116
American Eel 26
Bluegill 25
Eastern Mudminnow 20
Brown Bullhead 18
Eastern Mosquitofish 16
Sea Lamprey 5
Tadpole Madtom 5
Chain Pickerel 3
Spottail Shiner 2
White Sucker 2
Creek Chub 1
Green Sunfish 1
Pirate Perch 1
Yellow Bullhead 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
American Bullfrog
Northern Green Frog
Southern Leopard Frog

Crayfish:
No crayfish noted.

Exotic Plants:
Canada Thistle
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Acentrella Tiny Blue-Winged Olive Mayflies 42
Attenella 17
Simulium Black Fly 12
Caecidotea Isopod 10
Amphinemura Spring Stonefly 9
Perlesta 6
Crangonyctidae Scud 5
Stenelmis Beetle 2
Conchapelopia Non-Biting Midges 2
Eukiefferiella Non-Biting Midges 2
Lumbriculidae Worm 2
Isoperla Stripetail Stonefly 1
Ephemerella Sulphur Mayfly 1
Tanytarsus Non-Biting Midges 1
Enchytraeidae Aquatic Worm 1
Orthocladiinae Midge 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.