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

Site Photos

Field photo showing stream conditions at site BROA-105-R-2003-743 (Opens in a new window)

Located on BROAD CR UT6 in the Broad Creek watershed, 8-digit code: 02120205.
This stream was visited in the spring on 4/1/2003 and again in the summer on 6/10/2003.

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 Poor - 1.0 / 5.0
Benthic IBI Poor - 2.7 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 87 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 28 %
Agricultural Land Use 40 %
Forested Land Use 32 %


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 17/20 (Optimal)
Velocity/Depth Diversity 7/20 (Marginal)
Pool Quality
Pool Extent = 41 meters 		4/20 (Poor)
Riffle Quality
Riffle Extent = 36 meters 		11/20 (Suboptimal)
Shading 95 %
Embeddedness 25 %


Stream Water Quality:
Water temperature 16.6 ° C
Dissolved oxygen (DO) 7.5 mg/L
pH (lab) 7.22
Conductivity 303 µmho/cm
Alkalinity
(acid neutralizing capacity) 		818.4 µeq/L
Dissolved organic carbon (DOC) 4.1 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 2 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 12
Brown Bullhead 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Eastern Box Turtle
Eastern Painted Turtle
Northern Red Salamander
Northern Two-Lined Salamander

Crayfish:
No crayfish noted.

Exotic Plants:
Japanese Honeysuckle
Japanese Stiltgrass
Mile-A-Minute
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Diamesa Bloodworm 28
Stenelmis Beetle 12
Stegopterna Black Fly 9
Diplectrona Net-Spinning Caddisfly 7
Orthocladius Non-Biting Midges 6
Tanytarsus Non-Biting Midges 6
Zavrelimyia Non-Biting Midges 3
Pisidiidae Pill Clam 3
Ectopria Water Penny Beetle 3
Rheocricotopus Non-Biting Midges 3
Orthocladiinae Midge 3
Anchytarsus Beetle 3
Simulium Black Fly 2
Prosimulium Black Fly 2
Hydropsychidae Common Netspinner Caddisfly 2
Pseudolimnophila Crane Fly 2
Girardia Freshwater Flatworm 2
Tanypodinae Non-Biting Midges 2
Tanytarsini Non-Biting Midges 1
Parametriocnemus Non-Biting Midges 1
Chironomini Non-Biting Midge 1
Chaetocladius Non-Biting Midges 1
Conchapelopia Non-Biting Midges 1
Diamesinae Non-Biting Midges 1
Optioservus Riffle Beetle 1
Amphinemura Spring Stonefly 1
Nigronia Megaloptera (Dark Fishfly) 1
Gomphidae Clubtail Dragonfly 1
Simuliidae Black Fly 1
Bezzia Biting Midge 1
Ceratopogonidae Biting Midge 1
Naididae Aquatic Worm 1
Tubificidae Aquatic 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.