MBSS Site Summary for: BYNU-117-R-2004

Site Photos

Field photo showing stream conditions at site BYNU-117-R-2004-3 (Opens in a new window) Field photo showing stream conditions at site BYNU-117-R-2004-4 (Opens in a new window)

Located on BYNUM RUN in the Bynum Run watershed, 8-digit code: 02130704.
This stream was visited in the spring on 3/16/2004 and again in the summer on 6/21/2004.

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 Poor - 1.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 552 acres 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 40 %
Agricultural Land Use 46 %
Forested Land Use 15 %


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

Physical Stream Habitat
Instream Habitat 14/20 (Suboptimal)
Epifaunal Substrate 9/20 (Marginal)
Velocity/Depth Diversity 11/20 (Suboptimal)
Pool Quality
Pool Extent = 72 meters 		15/20 (Suboptimal)
Riffle Quality
Riffle Extent = 3 meters 		5/20 (Poor)
Shading 65 %
Embeddedness 35 %


Stream Water Quality:
Water temperature 16.1 ° C
Dissolved oxygen (DO) 10.3 mg/L
pH (lab) 6.83
Conductivity 194 µmho/cm
Alkalinity
(acid neutralizing capacity) 		406.4 µeq/L
Dissolved organic carbon (DOC) 1.1 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
Green Sunfish 236
White Sucker 41
Golden Shiner 40
Pumpkinseed 37
Bluegill 26
Creek Chubsucker 18
Tessellated Darter 13
American Eel 10
Lepomis Hybrid 10
Swallowtail Shiner 10
Creek Chub 8
Blue Ridge Sculpin 3
Cutlip Minnow 2
Brown Bullhead 1
Common Shiner 1
Fathead Minnow 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Eastern American Toad
Eastern Gartersnake
Eastern Ratsnake
Northern Green Frog
Northern Two-Lined Salamander
Pickerel Frog

Crayfish:
No crayfish noted.

Exotic Plants:
Japanese Honeysuckle
Japanese Stiltgrass
Mile-A-Minute
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Orthocladius Non-Biting Midges 24
Hydrobaenus Midge 14
Tubificidae Aquatic Worm 7
Polypedilum Non-Biting Midges 6
Sympotthastia Non-Biting Midges 5
Parametriocnemus Non-Biting Midges 5
Rheosmittia Non-Biting Midges 4
Thienemannimyia group Non-Biting Midges 3
Stictochironomus Non-Biting Midge 3
Orthocladiinae Midge 3
Spirosperma Aquatic Oligochaete Worm 2
Paratendipes European Non-Biting Midge 2
Ablabesmyia Non-Biting Midge 2
Endochironomus 1
Micropsectra Non-Biting Midges 1
Microtendipes Non-Biting Midges 1
Coenagrionidae Narrowwinged Damselfly 1
Enallagma Narrow-Winged Damselfly 1
Stegopterna Black Fly 1
Diamesa Bloodworm 1
Peltodytes Crawling Water Beetle 1
Zavrelimyia Non-Biting Midges 1
Agabus Predatory Aquatic Beetle 1
Hydroporus Water Beetle 1
Tropisternus Water Scavenger Beetle 1
Tanypodinae 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.