MBSS Site Summary for: MICR-105-R-2003

Site Photos

Field photo showing stream conditions at site MICR-105-R-2003-0978 (Opens in a new window) Field photo showing stream conditions at site MICR-105-R-2003-0977 (Opens in a new window)

Located on URIEVILLE LAKE UT1 UT1 in the Middle Chester River watershed, 8-digit code: 02130509.
This stream was visited in the spring on 4/2/2003 and again in the summer on 6/24/2003.

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 Fair - 3.0 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 810 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 %
Agricultural Land Use 87 %
Forested Land Use 8 %


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

Physical Stream Habitat
Instream Habitat 11/20 (Suboptimal)
Epifaunal Substrate 9/20 (Marginal)
Velocity/Depth Diversity 14/20 (Suboptimal)
Pool Quality
Pool Extent = 65 meters 		15/20 (Suboptimal)
Riffle Quality
Riffle Extent = 17 meters 		16/20 (Optimal)
Shading 30 %
Embeddedness 50 %


Stream Water Quality:
Water temperature 18.9 ° C
Dissolved oxygen (DO) 7.8 mg/L
pH (lab) 7.08
Conductivity 184 µmho/cm
Alkalinity
(acid neutralizing capacity) 		347.2 µeq/L
Dissolved organic carbon (DOC) 3.1 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 6 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Eastern Mudminnow 229
Tessellated Darter 34
American Eel 8
Tadpole Madtom 8
Least Brook Lamprey 7
Creek Chubsucker 3
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Green Frog
Pickerel Frog

Crayfish:
No crayfish noted.

Exotic Plants:
Common Reed (Phragmites)
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Caecidotea Isopod 13
Dubiraphia Riffle Beetle 11
Thienemannimyia group Non-Biting Midges 8
Conchapelopia Non-Biting Midges 7
Polycentropus Tube Maker Caddisfly 6
Rheosmittia Non-Biting Midges 5
Labrundinia Non-Biting Midges 5
Clinotanypus Non-Biting Midge 5
Coenagrionidae Narrowwinged Damselfly 4
Pisidium Freshwater Pea (Pill) Clam 4
Natarsia Non-Biting Midges 4
Stempellinella Non-Biting Midges 4
Tanytarsini Non-Biting Midges 3
Paratanytarsus Non-Biting Midges 3
Polypedilum Non-Biting Midges 3
Stratiomys 3
Apsectrotanypus Non-Biting Midges 3
Ablabesmyia Non-Biting Midge 2
Chironomini Non-Biting Midge 2
Ischnura 2
Calopteryx Damselfly 2
Tanypodinae Non-Biting Midges 2
Gyrinus Whirlygig Beetle 1
Corynoneura Non-Biting Midges 1
Dicrotendipes Non-Biting Midges 1
Phaenopsectra Non-Biting Midges 1
Matus 1
Pycnopsyche Great Autumn Brown Sedge Caddisfly 1
Synurella Amphipod 1
Bezzia Biting Midge 1
Ceratopogonidae Biting Midge 1
Argia Narrow-Winged Damselfly 1
Oecetis Long-Horned Caddisfly 1
Nigronia Megaloptera (Dark Fishfly) 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.