MBSS Site Summary for: BROA-103-R-2003

Site Photos

Field photo showing stream conditions at site BROA-103-R-2003-735 (Opens in a new window) Field photo showing stream conditions at site BROA-103-R-2003-736 (Opens in a new window)

Located on BROAD CR 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 Good - 4.0 / 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 2,117 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 77 %
Forested Land Use 20 %


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

Physical Stream Habitat
Instream Habitat 14/20 (Suboptimal)
Epifaunal Substrate 15/20 (Suboptimal)
Velocity/Depth Diversity 16/20 (Optimal)
Pool Quality
Pool Extent = 30 meters 		14/20 (Suboptimal)
Riffle Quality
Riffle Extent = 60 meters 		16/20 (Optimal)
Shading 70 %
Embeddedness 25 %


Stream Water Quality:
Water temperature 17.2 ° C
Dissolved oxygen (DO) 9.7 mg/L
pH (lab) 6.92
Conductivity 167 µmho/cm
Alkalinity
(acid neutralizing capacity) 		300.9 µeq/L
Dissolved organic carbon (DOC) 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 13 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Bluntnose Minnow 214
Central Stoneroller 75
Blacknose Dace 71
Rosyside Dace 66
Creek Chub 54
White Sucker 19
Margined Madtom 12
Longnose Dace 9
Tessellated Darter 6
Cutlip Minnow 5
Common Shiner 4
Fallfish 1
Pumpkinseed 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Two-Lined Salamander

Crayfish:
No crayfish noted.

Exotic Plants:
Canada Thistle
Japanese Honeysuckle
Mile-A-Minute
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Orthocladius Non-Biting Midges 15
Stenelmis Beetle 13
Chimarra Fingernet Caddisfly 11
Cheumatopsyche Net-Spinning Caddisfly 10
Stenonema Flatheaded Mayfly 7
Isonychia Slate Drake Mayfly 5
Psephenus Water Penny 5
Parametriocnemus Non-Biting Midges 3
Cricotopus Non-Biting Midges 3
Eukiefferiella Non-Biting Midges 3
Hexatoma Crane Fly 2
Chironomini Non-Biting Midge 2
Stenacron Mayfly 2
Philopotamidae Fingernet Caddisfly 2
Polypedilum Non-Biting Midges 2
Thienemannimyia group Non-Biting Midges 2
Glossosomatidae Saddlecase Maker Caddisfly 1
Acerpenna Tiny Blue-Winged Olive Mayflies 1
Tanytarsini Non-Biting Midges 1
Thienemanniella Non-Biting Midges 1
Prosimulium Black Fly 1
Cura Flatworm 1
Ephemera Mayfly 1
Serratella Mayfly 1
Orthocladiinae Midge 1
Hydropsyche Net-Spinning Caddisfly 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.