MBSS Site Summary for: LIBE-293-X-2011

Site Photos

Field photo showing stream conditions at site LIBE-293-X-2011-1 (Opens in a new window) Field photo showing stream conditions at site LIBE-293-X-2011-2 (Opens in a new window)

Located on SNOWDEN RUN in the Liberty Reservoir watershed, 8-digit code: 02130907.
This stream was visited in the spring on 4/18/2011 and again in the summer on 6/23/2011.

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 - 4.3 / 5.0
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 1,569 acres A highly channelized urban stream with concrete banks. An example of a highly channelized urban stream.
Urban Land Use 47.9 %
Agricultural Land Use 20.7 %
Forested Land Use 26.9 %


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 14/20 (Suboptimal)
Velocity/Depth Diversity 12/20 (Suboptimal)
Pool Quality
Pool Extent = 43 meters 		13/20 (Suboptimal)
Riffle Quality
Riffle Extent = 38 meters 		13/20 (Suboptimal)
Shading 65 %
Embeddedness 35 %


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 14 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blue Ridge Sculpin 205
Bluegill 135
Green Sunfish 92
Longnose Dace 24
Bluntnose Minnow 19
Redbreast Sunfish 18
Yellow Bullhead 13
Spottail Shiner 11
Tessellated Darter 10
White Sucker 8
Brown Bullhead 5
Lepomis Hybrid 2
Rock Bass 2
Blacknose Dace 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Green Frog
Northern Two-Lined Salamander

Crayfish:
Orconectes virilis

Exotic Plants:
Garlic Mustard
Japanese Barberry
Japanese Honeysuckle
Japanese Stiltgrass
Mile-A-Minute
Multiflora Rose
Oriental Bittersweet
Wineberry
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Cheumatopsyche Net-Spinning Caddisfly 20
Chimarra Fingernet Caddisfly 15
Orthocladius Non-Biting Midges 10
Parametriocnemus Non-Biting Midges 10
Hydropsyche Net-Spinning Caddisfly 9
Polypedilum Non-Biting Midges 8
Antocha Crane Fly 8
Rheocricotopus Non-Biting Midges 5
Thienemannimyia Group Non-Biting Midges 5
Rheotanytarsus Non-Biting Midges 4
Ablabesmyia Non-Biting Midge 2
Micropsectra Non-Biting Midges 2
HYDROPSYCHIDAE Common Netspinner Caddisfly 2
Clinocera Aquatic Dance Fly 2
Glossosoma Little Black Caddisfly 2
Maccaffertium March Brown And Cahill Mayfly 2
Nigronia Megaloptera (Dark Fishfly) 1
Orthocladiinae Midge 1
CERATOPOGONIDAE Biting Midge 1
Simulium Black Fly 1
Microtendipes Non-Biting Midges 1
TANYTARSINI Non-Biting Midges 1
Tribelos Non-Biting Midges 1
Oulimnius Riffle Beetle 1
Boyeria Spotted Darner Dragonfly 1
Acentrella Tiny Blue-Winged Olive Mayflies 1
Hemerodromia Tiny Fly 1
Polycentropus Tube Maker 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.