MBSS Site Summary for: DOUB-296-B-2012

Site Photos

Field photo showing stream conditions at site DOUB-296-B-2012-1 (Opens in a new window) Field photo showing stream conditions at site DOUB-296-B-2012-2 (Opens in a new window)

Located on LITTLE PIPE CREEK in the Double Pipe Creek watershed, 8-digit code: 02140304.
This stream was visited in the spring on 3/7/2012 and again in the summer on 6/4/2012.

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 - 3.7 / 5.0
Benthic IBI Poor - 2.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
(Hint: Screen readers will announce definitions; mouse users can hover over dotted text.)
Catchment area 3,532 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 31.9 %
Agricultural Land Use 38.1 %
Forested Land Use 28.4 %


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

Physical Stream Habitat
Instream Habitat 13/20 (Suboptimal)
Epifaunal Substrate 10/20 (Marginal)
Velocity/Depth Diversity 13/20 (Suboptimal)
Pool Quality
Pool Extent = 57 meters 		12/20 (Suboptimal)
Riffle Quality
Riffle Extent = 23 meters 		16/20 (Optimal)
Shading 40 %
Embeddedness 25 %


Stream Water Quality:
pH (lab) 8
Alkalinity
(acid neutralizing capacity) 		2144.8 µeq/L
Dissolved organic carbon (DOC) 0.3859 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 12 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 444
Fantail Darter 160
Longnose Dace 124
Creek Chub 90
White Sucker 88
Potomac Sculpin 77
Bluntnose Minnow 46
Central Stoneroller 40
Green Sunfish 10
Yellow Bullhead 2
Bluegill 1
Largemouth Bass 1
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Two-Lined Salamander

Crayfish:
Orconectes
Orconectes virilis

Exotic Plants:
Garlic Mustard
Japanese Honeysuckle
Japanese Hops
Japanese Stiltgrass
Mile-A-Minute
Multiflora Rose
Wineberry
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Orthocladius Non-Biting Midges 62
Diamesa Bloodworm 12
Ephemerella Sulphur Mayfly 9
Sympotthastia Non-Biting Midges 6
Tvetenia Non-Biting Midges 5
Parametriocnemus Non-Biting Midges 5
Simulium Black Fly 4
Cheumatopsyche Net-Spinning Caddisfly 4
Stenelmis Beetle 3
Orthocladiinae Midge 3
Chimarra Fingernet Caddisfly 2
Maccaffertium March Brown And Cahill Mayfly 2
Diplectrona Net-Spinning Caddisfly 1
Corynoneura Non-Biting Midges 1
Eukiefferiella Non-Biting Midges 1
Dicranota Hairy-Eyed Cranefly 1
Glossosoma Little Black Caddisfly 1
Paratendipes European Non-Biting Midge 1
Prosimulium Black Fly 1
Gammarus Amphipod 1
Stygobromus Amphipod 1
TUBIFICIDAE Aquatic Worm 1
Dubiraphia Riffle Beetle 1
Tanytarsus Non-Biting Midges 1
Thienemanniella Non-Biting Midges 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.