MBSS Site Summary for: HA-P-010-103-97


Located on SOUTH STIRRUP RUN in the Deer Creek watershed, 8-digit code: 02120202.
This stream was visited in the spring on 3/12/1997 and again in the summer on 6/23/1997.

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 - 5.0 / 5.0
Benthic IBI Fair - 3.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 976 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 0.6 %
Agricultural Land Use 62.6 %
Forested Land Use 36.9 %


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 18/20 (Optimal)
Velocity/Depth Diversity 11/20 (Suboptimal)
Pool Quality
Pool Extent = meters 		16/20 (Optimal)
Riffle Quality 8/20 (Marginal)
Shading 94 %
Embeddedness 10 %
Several measures of instream habitat were considered 'Optimal' at this location.


Stream Water Quality:
Water temperature 17.5 ° C
Dissolved oxygen (DO) 9.6 mg/L
pH (lab) 7.11
Conductivity 109 µmho/cm
Alkalinity
(acid neutralizing capacity) 		322.6 µeq/L
Dissolved organic carbon (DOC) 1.6 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 6 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blue Ridge Sculpin 235
Blacknose Dace 124
Rosyside Dace 28
American Eel 22
Creek Chub 12
Sea Lamprey 3
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
American Bullfrog
Eastern Box Turtle
Northern Two-Lined Salamander

Crayfish:
No crayfish noted.

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Eukiefferiella Non-Biting Midges 20
Prosimulium Black Fly 14
Orthocladius Non-Biting Midges 12
Thienemanniella Non-Biting Midges 6
Amphinemura Spring Stonefly 6
Ephemerella Sulphur Mayfly 5
Prostoia Spring Stonefly 4
Sympotthastia Non-Biting Midges 4
Parametriocnemus Non-Biting Midges 4
Cricotopus/Orthocladius Midge 4
Diamesa Bloodworm 4
Chelifera Aquatic Dance Fly 3
Optioservus Riffle Beetle 2
Hemerodromia Tiny Fly 2
Baetis Blue-Winged Olive Mayfly 2
Simulium Black Fly 2
Orthocladiinae A Non-Biting Midges 2
Rheotanytarsus Non-Biting Midges 1
Tanytarsus Non-Biting Midges 1
Perlodidae Perlodid Stonefly 1
Cladotanytarsus Non-Biting Midge 1
Brillia Non-Biting Midges 1
Antocha Crane Fly 1
Pycnopsyche Great Autumn Brown Sedge Caddisfly 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.