MBSS Site Summary for: QA-N-033-309-95


Located on RED LION BR in the Upper Chester River watershed, 8-digit code: 02130510.
This stream was visited in the spring on 4/5/1995 and again in the summer on 8/2/1995.

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 Good - 4.4 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 14,705 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 1.7 %
Agricultural Land Use 66.7 %
Forested Land Use 30.4 %


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

Physical Stream Habitat
Instream Habitat 12/20 (Suboptimal)
Epifaunal Substrate 10/20 (Marginal)
Velocity/Depth Diversity 8/20 (Marginal)
Pool Quality
Pool Extent = meters 		6/20 (Marginal)
Riffle Quality 14/20 (Suboptimal)
Shading 60 %
Embeddedness 40 %


Stream Water Quality:
Water temperature 23.4 ° C
Dissolved oxygen (DO) 6.2 mg/L
pH (lab) 7.11
Conductivity 179 µmho/cm
Alkalinity
(acid neutralizing capacity) 		346.9 µeq/L
Dissolved organic carbon (DOC) 3 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 18 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
American Eel 65
Fallfish 46
Least Brook Lamprey 40
Tessellated Darter 37
Redbreast Sunfish 18
Pirate Perch 16
Eastern Mudminnow 10
Swallowtail Shiner 10
Pumpkinseed 8
Chain Pickerel 5
Margined Madtom 4
Redfin Pickerel 4
Creek Chubsucker 3
Largemouth Bass 2
Bluegill 1
Sea Lamprey 1
Tadpole Madtom 1
Yellow Perch 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
American Bullfrog
Northern Green Frog
Northern Watersnake
Pickerel Frog

Crayfish:
No crayfish noted.

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Cheumatopsyche Net-Spinning Caddisfly 19
Isoperla Stripetail Stonefly 13
Cricotopus/Orthocladius Midge 12
Hydropsyche Net-Spinning Caddisfly 8
Cricotopus Non-Biting Midges 5
Tvetenia Non-Biting Midges 5
Amphinemura Spring Stonefly 4
Polypedilum Non-Biting Midges 4
Rheotanytarsus Non-Biting Midges 3
Stenonema Flatheaded Mayfly 3
Corbicula Basket Clam 3
Simulium Black Fly 3
Neophylax Caddisfly 2
Gammarus Amphipod 2
Acerpenna Tiny Blue-Winged Olive Mayflies 2
Leptophlebia Pronggilled Mayfly 1
Macronychus Riffle Beetle 1
Naididae Aquatic Worm 1
Goniobasis 1
Planorbella 1
Physa Air-Breathing Freshwater Snail 1
Sphaerium Fingernail Clam 1
Pisidium Freshwater Pea (Pill) Clam 1
Serratella Mayfly 1
Argia Narrow-Winged Damselfly 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.