MBSS Site Summary for: ZEKI-312-A-2011

Site Photos

Field photo showing stream conditions at site ZEKI-312-A-2011-1 (Opens in a new window) Field photo showing stream conditions at site ZEKI-312-A-2011-2 (Opens in a new window)

Located on ZEKIAH SWAMP in the Zekiah Swamp watershed, 8-digit code: 02140108.
This stream was visited in the spring on 3/29/2011 and again in the summer on 10/24/2011.

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 N R
Benthic IBI Good - 4.4 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 51,333 acres A highly channelized urban stream with concrete banks. An example of a highly channelized urban stream.
Urban Land Use 16.9 %
Agricultural Land Use 15.8 %
Forested Land Use 62.6 %


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

Physical Stream Habitat
Instream Habitat not sampled
Epifaunal Substrate not sampled
Velocity/Depth Diversity not sampled
Pool Quality not sampled
Riffle Quality not sampled
Shading not sampled
Embeddedness not sampled


Stream Water Quality:
pH (lab) 6.59
Alkalinity
(acid neutralizing capacity) 		171.1 µeq/L
Dissolved organic carbon (DOC) 6.7937 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:
Fish data is unavailable or no fish observed.

Amphibians and Reptiles:
No amphibians and reptiles noted.

Crayfish:
No crayfish noted.

Exotic Plants:
No exotic plants noted.
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Siphlonurus Gray Drake Mayfly 45
Isoperla Stripetail Stonefly 25
Caecidotea Isopod 14
Orthocladius Non-Biting Midges 5
Ephemerella Sulphur Mayfly 4
Gammarus Amphipod 4
LUMBRICULIDAE Worm 4
Hyalella Amphipod 1
TUBIFICIDAE Aquatic Worm 1
Stenelmis Beetle 1
Lepidostoma Little Brown Sedge Caddisfly 1
Orthocladiinae Midge 1
Ablabesmyia Non-Biting Midge 1
Micropsectra Non-Biting Midges 1
Microtendipes Non-Biting Midges 1
CORIXIDAE Water Boatman 1
Somatochlora 1
Crangonyx Amphipod 1
Stempellinella Non-Biting Midges 1
Ironoquia Northern Caddisfly 1
Amphinemura Spring Stonefly 1
Prostoia Spring Stonefly 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.