MBSS Site Summary for: EVIT-107-B-2007

Site Photos

Field photo showing stream conditions at site EVIT-107-B-2007-1 (Opens in a new window) Field photo showing stream conditions at site EVIT-107-B-2007-2 (Opens in a new window)

Located on Evitts Creek UT4 in the Evitts Creek watershed, 8-digit code: 02141002.
This stream was visited in the spring on 4/2/2007 and again in the summer on 6/5/2007.

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 - 1.5 / 5.0
Benthic IBI Fair - 3.5 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 442 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 3.5 %
Agricultural Land Use 9.9 %
Forested Land Use 86.7 %


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

Physical Stream Habitat
Instream Habitat 6/20 (Marginal)
Epifaunal Substrate 10/20 (Marginal)
Velocity/Depth Diversity 6/20 (Marginal)
Pool Quality
Pool Extent = 52 meters 		6/20 (Marginal)
Riffle Quality
Riffle Extent = 23 meters 		7/20 (Marginal)
Shading 60 %
Embeddedness 40 %


Stream Water Quality:
Water temperature 16.7 ° C
Dissolved oxygen (DO) 11.2 mg/L
pH (lab) 8.15
Conductivity 544 µmho/cm
Alkalinity
(acid neutralizing capacity) 		5154.9 µeq/L
Dissolved organic carbon (DOC) 1.4875 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 1 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 170
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Dusky Salamander
Northern Two-Lined Salamander
Northern Watersnake

Crayfish:
Cambarus bartonii bartonii

Exotic Plants:
Canada Thistle
Garlic Mustard
Japanese Honeysuckle
Multiflora Rose
Tree Of Heaven
Wineberry
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Gammarus Amphipod 60
Diplectrona Net-Spinning Caddisfly 12
Amphinemura Spring Stonefly 8
Pseudolimnophila Crane Fly 6
Leptophlebiidae Pronggilled Mayfly 6
Optioservus Riffle Beetle 6
Leuctridae Rolledwinged Stonefly 6
Dicranota Hairy-Eyed Cranefly 4
Ischnura 3
Phagocata 2
Stenelmis Beetle 2
Heleniella European Non-Biting Midge 2
Neophylax Caddisfly 2
Stenonema Flatheaded Mayfly 2
Chloroperlidae Green Stonefly 2
Baetidae Small Minnow Mayfly 2
Sweltsa Stonefly 2
Tanypodinae Non-Biting Midges 2
Ectopria Water Penny Beetle 1
Sympotthastia Non-Biting Midges 1
Eurylophella Mayfly 1
Nigronia Megaloptera (Dark Fishfly) 1
Gomphidae Clubtail Dragonfly 1
Ameletus Combmouthed Minnow Mayfly 1
Wormaldia Fingernet Caddisfly 1
Diamesa Bloodworm 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.