MBSS Site Summary for: YOUG-202-A-2010

Site Photos

Field photo showing stream conditions at site YOUG-202-A-2010-1 (Opens in a new window) Field photo showing stream conditions at site YOUG-202-A-2010-2 (Opens in a new window)

Located on Hoyes Run in the Youghiogheny River watershed, 8-digit code: 05020201.
This stream was visited in the spring on 4/1/2010 and again in the summer on 6/22/2010.

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 - 4.5 / 5.0
Benthic IBI Good - 4.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 2,777 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 4.9 %
Agricultural Land Use 5.1 %
Forested Land Use 88.6 %


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

Physical Stream Habitat
Instream Habitat 17/20 (Optimal)
Epifaunal Substrate 16/20 (Optimal)
Velocity/Depth Diversity 18/20 (Optimal)
Pool Quality
Pool Extent = 36 meters 		15/20 (Suboptimal)
Riffle Quality
Riffle Extent = 51 meters 		18/20 (Optimal)
Shading 35 %
Embeddedness 20 %
Several measures of instream habitat were considered 'Optimal' at this location.


Stream Water Quality:
pH (lab) 7.72
Alkalinity
(acid neutralizing capacity) 		373.7 µeq/L
Dissolved organic carbon (DOC) 0.8247 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 4 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Rainbow Trout 22
Brown Trout 20
Blacknose Dace 4
Rock Bass 2
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Water Snake

Crayfish:
Cambarus carinirostris

Exotic Plants:
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Oulimnius Riffle Beetle 45
Ephemerella Sulphur Mayfly 9
Epeorus Mayfly 8
Ephemerellidae Spiny Crawler Mayfly 5
Leptophlebiidae Pronggilled Mayfly 4
Cheumatopsyche Net-Spinning Caddisfly 4
Diamesinae Non-Biting Midges 3
Prosimulium Black Fly 3
Baetis Blue-Winged Olive Mayfly 3
Isoperla Stripetail Stonefly 3
Chloroperlidae Green Stonefly 2
Optioservus Riffle Beetle 2
Antocha Crane Fly 2
Hexatoma Crane Fly 2
Perlodidae Perlodid Stonefly 2
Diplectrona Net-Spinning Caddisfly 2
Heptageniidae Flathead Mayfly 2
Acroneuria Golden Stoneflies 1
Nigronia Megaloptera (Dark Fishfly) 1
Hydropsyche Net-Spinning Caddisfly 1
Cinygmula Dark Red Quill Mayfly 1
Chimarra Fingernet Caddisfly 1
Perlidae Common Stonefly 1
Ceratopsyche 1
Pagastia 1
Promoresia Riffle Beetle 1
Amphinemura Spring Stonefly 1
Lumbriculidae Worm 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.