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A1 - Cohansey R Browns Run
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» Citation URL: http://vegbank.org/cite/urn:lsid:vegbank.org/vegbranch:observation:280-{CB1BACF6-ECFB-4B2E-933A-FEE113FE62CD}
» Citing info |
| Plot ID Fields: | |
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Author Plot Code  |
A1 - Cohansey R Browns Run
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| Author Observation Code |
A1 - Cohansey R Browns Run
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| Original Data Location |
NJ Natural Heritage Program, NJDEP Division of Parks and Forestry, Office of Natural Lands Management, 22 S. Clinton Ave, Plaza Bldg 4, Fl. 4, PO Box 404 Trenton, NJ, 08625-0404
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| Location Fields: |
MAP:
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| TopoZone
| MapQuest
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| Confidentiality Status |
exact location
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| Latitude |
39.38975
º
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| Longitude |
-75.30556
º
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| Author Location |
Cohansey River South of Browns Run
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| Location Narrative |
From Shiloh, take CR 620 (Shiloh Rd.) south for several miles to CR650 (Sheppards Mill Road) and go left (east). Follow to Loatman Rd. and go right (south). Follow to the end. Road becomes a gravel driveway. Marsh is owned by the property owner of the house.
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| State or Province |
New Jersey
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| Country |
United States
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| Named Places |
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| Layout Fields: | |
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| Shape |
Square
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| Area |
9
m²
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| Permanence |
permanent plot
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| Environment Fields: | |
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| Elevation |
0
m
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| Elevation Range |
3
m
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| Slope Aspect |
(n/a, flat)
º
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| Slope Gradient |
0
º
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| Topographic Position |
Low level
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| Landscape Narrative |
Environmental Comments: Very hummocky with mud channels between hummocks.
Average Soil Texture: Organic - muck
Soil Profile Description: No soil profile was collected but soil appears to be deep black muck (to at least 16"). Shallow roots present.
Water depth: 1 cm in some spots.
Physiographic Province: Inner Coastal Plain
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| Hydrologic Regime |
Tidally flooded
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| Soil Moisture Regime |
Hydric
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| Soil Drainage |
poorly drained
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| Percent Bare Soil |
10
%
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| Percent Water |
5
%
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| Methods Fields: | |
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| Observation Start Date |
12-Nov-2005
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| Observation End Date |
12-Nov-2005
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| Project |
NJ Mark Wong
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| Cover Method |
Percentage (%)
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| Stratum Method |
National Park Service
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| Taxon Observation Area |
9
m²
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| Cover Dispersion |
entire
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| Overall Taxon Cover Values are Automatically Calculated? |
no
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| Plot Quality Fields: | |
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| Plot Validation Level |
(1) occurrence plot: sufficient for determining type occurrence
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| Overall Plot Vegetation Fields: | |
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| Dominant Stratum |
Herb
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| Growthform1 Type |
Herbs
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| Misc Fields: | |
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| Observation Narrative |
Community Type: tidal brackish marsh
Community Description: Broad, mucky, hummocky, Spartina alterniflora-dominated brackish tidal marsh located on private property at the end of Loatman Road in Hopewell Township. This section of marsh is bordered by a narrow neck of land (driveway and lawn of private residence) to the north and Cohansey Creek to the south and west. Browns Run, a small creek, runs SW-NE on the NW side of the narrow neck. The upper edge of marsh is dominated by a mixture of Phragmites and Spartina alterniflora with mixed forbs and graminoids. Heading deeper into the marsh, the Phragmites thins after a short distance and ends, giving way to a near monoculture of Spartina alterniflora. Marsh is mucky with hummocks of grass between narrow channels that fill as the tide comes in. Cover in the surveyed area is 80-90%. Property owner states that the marsh was part of a PSE&G project to knock back the Phragmites population. The Phragmites was sprayed, then burned in 1999 and sprayed again in Spring of 2000. The result was a considerable reduction in the Phragmites population, which is now restricted to the upper edges of the marsh, That is the only known recent disturbance. Soil is black muck. Owner also states that the salinity of the marsh is between 5-10 ppt, and the reason Phragmites is persistent at the upper edge is because the owner wouldn't allow spraying close to the house.
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