MBSS Site Summary for: STCL-051-S-2010

Site Photos

Field photo showing stream conditions at site STCL-051-S-2010-1 (Opens in a new window) Field photo showing stream conditions at site STCL-051-S-2010-2 (Opens in a new window)

Located on UT St Clements Creek in the St. Clements Bay watershed, 8-digit code: 02140105.
This stream was visited in the spring on 4/10/2010 and again in the summer on 7/13/2010.

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 - 3.0 / 5.0
Benthic IBI Good - 4.7 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 252 acres A stream flowing through a densely forested area. An example of a forested stream.
Urban Land Use 1.5 %
Agricultural Land Use 32.3 %
Forested Land Use 66.4 %


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

Physical Stream Habitat
Instream Habitat 12/20 (Suboptimal)
Epifaunal Substrate 12/20 (Suboptimal)
Velocity/Depth Diversity 10/20 (Marginal)
Pool Quality
Pool Extent = 68 meters 		10/20 (Marginal)
Riffle Quality
Riffle Extent = 27 meters 		10/20 (Marginal)
Shading 90 %
Embeddedness 85 %
The embeddedness, a measure of silt on the stream bottom, was 85%. This is relatively high, and may exclude some biota.


Stream Water Quality:
pH (lab) 6.98
Alkalinity
(acid neutralizing capacity) 		223.8 µeq/L
Dissolved organic carbon (DOC) 4.7301 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 5 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Common name Count
Blacknose Dace 131
Eastern Mudminnow 35
Fallfish 15
Tessellated Darter 3
Sea Lamprey 2
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
Northern Green Frog
Northern Two-Lined Salamander
Pickerel Frog
Southern Leopard Frog

Crayfish:
Orconectes limosus

Exotic Plants:
Japanese Stiltgrass
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Haploperla Green Stonefly 25
Simulium Black Fly 18
Ephemerella Sulphur Mayfly 7
Diplectrona Net-Spinning Caddisfly 6
Amphipoda Scud 5
Amphinemura Spring Stonefly 5
Orthocladius Non-Biting Midges 4
Hexatoma Crane Fly 4
Psilotreta Mortarjoint Casemaker Caddisfly 3
Leptophlebiidae Pronggilled Mayfly 3
Oulimnius Riffle Beetle 3
Maccaffertium March Brown And Cahill Mayfly 2
Polypedilum Non-Biting Midges 2
Rheocricotopus Non-Biting Midges 2
Stempellinella Non-Biting Midges 2
Psephenus Water Penny 2
Eccoptura Yellow Stone Stonefly 2
Neophylax Caddisfly 2
Tipula Crane Fly 1
Monodiamesa 1
Stilobezzia 1
Crangonyx Amphipod 1
Synurella Amphipod 1
Anchytarsus Beetle 1
Stenelmis Beetle 1
Cheumatopsyche Net-Spinning Caddisfly 1
Caecidotea Isopod 1
Procladius Non-Biting Midge 1
Eukiefferiella Non-Biting Midges 1
Micropsectra Non-Biting Midges 1
Lumbriculidae Worm 1
Thienemanniella Non-Biting Midges 1
Limnephilidae Northern Casemaker Caddisfly 1
Habrophlebia Prong-Gilled Mayfly 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.