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) 41.02439, -74.78443; 2-SW) 41.02442, -74.78448; 3-NW) 41.02443, -74.78447
Shape
Rectangular
Area
10
m²
Permanence
permanent plot
Layout Narrative
Plot is 5 x 2 m, located at 5-7m, +5 m W, along transect.
Environment Fields:
Elevation
182
m
Slope Aspect
225
º
Slope Gradient
5
º
Topographic Position
Lowslope
Landscape Narrative
Environmental Comments: Variable zone - North with Fraxinus saplings. Most other areas have Boehmeria, although W-facing has more Ambrosia/Acalpha. Scutellaria is the common denominator. Water marks on trees.
Soil Texture: Mineral - clay
Topo Position: considered basin floor/lowslope but categorized here as lowslope.
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
Herb
Growthform1 Type
Herbs
Growthform2 Type
Trees
Growthform3 Type
Shrubs
Growthform1 Cover
80.5
%
Growthform2 Cover
20
%
Growthform3 Cover
2.8
%
Misc Fields:
Observation Narrative
Community Type: calcareous sinkhole pond
General Description: The vegetation occupies the shores of solution sinkholes and glacial kettles that developed on dolomite with overlying glacial till surficial deposits. Soils are shallow silt loam over bedrock and somewhat poorly drained. The tree canopy is closed and generally dominated by Fraxinus pennsylvanica, Acer saccharinum, Acer x freemanii, Ulmus americana, and Quercus bicolor. Occasional canopy associates may include Acer rubrum, Carpinus caroliniana, Carya alba (= Carya tomentosa), Carya cordiformis, Carya ovata, Celtis occidentalis, Juglans nigra, Liriodendron tulipifera, Platanus occidentalis, Quercus muehlenbergii, and Quercus rubra. A common shrub is Lindera benzoin; others may include Ilex verticillata, Cephalanthus occidentalis, Cornus racemosa, Cornus sericea, Staphylea trifolia, Viburnum lentago, or Zanthoxylum americanum. Vines include Smilax rotundifolia, Toxicodendron radicans, and Vitis riparia. The herbaceous layer is variable but often includes Boehmeria cylindrica, Carex lupulina, Bidens frondosa, Laportea canadensis, Lobelia cardinalis, Thelypteris palustris, and Lysimachia terrestris. Other associates include Acalypha rhomboidea, Asclepias incarnata, Osmunda cinnamomea, Onoclea sensibilis, Scutellaria lateriflora, Carex retrorsa, Mentha arvensis, Phalaris arundinacea, and Impatiens capensis.
Other associated species present but not in plot: Mentha, Panicum longifolium, Panicum capillare, Scutellaria lateriflora.
