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
GPS readings for other 3 plot corners: 1-SE) 41.00950, -74.80182; 2-SW) 41.00943, -74.80204; 3-NW) 41.00960, -74.80213
Shape
Square
Area
400
m²
Permanence
permanent plot
Layout Narrative
Plot is 20 x 20 m, located at 41-61 m on the south side of the transect. Transect endpoints are permanently marked with rebar. Distance and compass bearing measurements to the plot location with measurements of plot orientation off the transect were taken. GPS coordinates for each corner of the plot was taken with submeter accuracy.
Environment Fields:
Elevation
183.5
m
Slope Aspect
(n/a, flat)
º
Slope Gradient
0
º
Topographic Position
Basin floor
Landscape Narrative
Environmental Comments: The edges of the forested part of the sink have more shrubs than the inner section.
Soil Texture: Organic - muck, peat
Overall Taxon Cover Values are Automatically Calculated?
no
Plot Quality Fields:
Plot Validation Level
(1) occurrence plot: sufficient for determining type occurrence
Overall Plot Vegetation Fields:
Dominant Stratum
Tree
Growthform1 Type
Trees
Growthform2 Type
Trees
Growthform3 Type
Herbs
Growthform1 Cover
45
%
Growthform2 Cover
25
%
Growthform3 Cover
60
%
Misc Fields:
Observation Narrative
Community Type: calcareous sinkhole pond
General Description: This community occupies the lowest portion of calcareous sinkhole ponds and is characterized by deep organic deposits overlying marl or carbonate bedrock. This vegetation may also occur more widely in the northeast in areas underlain by calcareous bedrock.
Other associated species present but not in plot: Carex retrorsa, Carex stricta, Carex lupulina, Lysimachia thyrsiflora, Vaccinium corymbosum.
10YR 2/1 organic muck, silty - greasy with areas of peat and roots, pH at 20.3 cm (muck) = 6.2 (blue); H3, 10YR 2/2 or redder, pieces of decomposed wood
