MBSS Site Summary for: ABPG-119-R-2000

Site Photos

Field photo showing stream conditions at site ABPG-119-R-2000-10_14 (Opens in a new window) Field photo showing stream conditions at site ABPG-119-R-2000-10_13 (Opens in a new window)

Located on ROMNEY CR UT1 in the Aberdeen Proving Ground watershed, 8-digit code: 02130705.
This stream was visited in the spring on 3/23/2000 and again in the summer on 6/26/2000.

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 - 1.0 / 5.0
Benthic IBI Poor - 2.4 / 5.0

Land Use

Land use can provide important information for determining stream health.
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Catchment area 1,393 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 26.8 %
Agricultural Land Use 36.6 %
Forested Land Use 36.1 %


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

Physical Stream Habitat
Instream Habitat 2/20 (Poor)
Epifaunal Substrate 1/20 (Poor)
Velocity/Depth Diversity 2/20 (Poor)
Pool Quality
Pool Extent = 65 meters 		2/20 (Poor)
Riffle Quality
Riffle Extent = 0 meters 		0/20 (Poor)
Shading 65 %
Embeddedness 100 %
The embeddedness, a measure of silt on the stream bottom, was 100%. This is very high, and may adversely affect biotic communities.
Several measures of instream habitat were considered 'Poor' at this location.


Stream Water Quality:
Water temperature 25.8 ° C
Dissolved oxygen (DO) 16.3 mg/L
pH (lab) 6.96
Conductivity 140 µmho/cm
Alkalinity
(acid neutralizing capacity) 		416.6 µeq/L
Dissolved organic carbon (DOC) 7.8 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
No Fish Observed 0
Biologists sampling fish communities.
Electrofishing to sample fish communities.

Amphibians and Reptiles:
American Bullfrog
Northern Green Frog
Southern Leopard Frog

Crayfish:
No crayfish noted.

Exotic Plants:
Japanese Honeysuckle
Mile-A-Minute
Multiflora Rose
 

Benthic Macroinvertebrates:
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
Genus/Family Common Name Count
Crangonyx Amphipod 35
Pisidium Freshwater Pea (Pill) Clam 26
Cricotopus/Orthocladius Midge 19
Physa Air-Breathing Freshwater Snail 16
Cricotopus Non-Biting Midges 11
Tubificidae Aquatic Worm 3
Orthocladiinae Midge 2
Dicrotendipes Non-Biting Midges 1
Tanytarsus Non-Biting Midges 1
Dytiscidae Predaceous Diving Beetle 1
Helophorus Beetle 1
Diamesa Bloodworm 1
Ormosia Cranefly 1
Gordiidae Horsehair Worm 1
Caecidotea Isopod 1
Glyptotendipes 1
Limonia 1
Stagnicola Air Breathing Freshwater Snail 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.