MBSS Site Summary for: DOUB-119-R-2016

Site Photos

Field photo showing stream conditions at site DOUB-119-R-2016_midpoint downstream (Opens in a new window) Field photo showing stream conditions at site DOUB-119-R-2016_midpoint upstream (Opens in a new window)

Located on Meadow Branch in the Double Pipe Creek watershed, 8-digit code: 02140304.
This stream was visited in the spring on 3/2/2016 and again in the summer on 6/7/2016.

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 Poor - 2.3 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 393 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 4.9 %
Agricultural Land Use 40.8 %
Forested Land Use 48.8 %


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 11/20 (Suboptimal)
Velocity/Depth Diversity 10/20 (Marginal)
Pool Quality
Pool Extent = 50 meters 		10/20 (Marginal)
Riffle Quality
Riffle Extent = 25 meters 		11/20 (Suboptimal)
Shading 85 %
Embeddedness 35 %


Stream Water Quality:
pH (lab) 7.22
Alkalinity
(acid neutralizing capacity) 		314.7 µeq/L
Dissolved organic carbon (DOC) 0.7374 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 3 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 111
Blue Ridge Sculpin 88
Creek Chub 13
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
No amphibians and reptiles noted.

Crayfish:
Cambarus bartonii bartonii

Exotic Plants:
Garlic Mustard
Japanese Honeysuckle
Mile-A-Minute
Multiflora Rose
Privet
Vinca Vine
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Prosimulium Black Fly 61
Parametriocnemus Non-Biting Midges 9
Amphinemura Spring Stonefly 4
Clinocera Aquatic Dance Fly 4
Neophylax Caddisfly 4
Diplectrona Net-Spinning Caddisfly 4
Orthocladius Non-Biting Midges 4
Micropsectra Non-Biting Midges 2
Dicranota Hairy-Eyed Cranefly 2
Cricotopus Non-Biting Midges 2
Diamesinae Non-Biting Midges 2
Heleniella European Non-Biting Midge 2
Gammarus Amphipod 2
Prostoia Spring Stonefly 2
Sympotthastia Non-Biting Midges 2
Tanypodinae Non-Biting Midges 1
Thienemanniella Non-Biting Midges 1
Thienemannimyia Group Non-Biting Midges 1
Trissopelopia Non-Biting Midges 1
Leptophlebiidae Pronggilled Mayfly 1
Isotomidae Springtail 1
Isoperla Stripetail Stonefly 1
Diamesa Bloodworm 1
Chloroperlidae Green Stonefly 1
Tipula Crane Fly 1
Diplocladius Non-Biting Midges 1
Dolichopodidae Long-Legged Fly 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.