Vegetation Classification and Mapping Project Report - USGS

USGS-NPS Vegetation Mapping Program
Colonial National Historical Park
Table H19. Compositional summary statistics from the regional analysis of Tidal Oligohaline
Marsh (Big Cordgrass Type) (CEGL004195).
Mean Species Richness 5
Homoteneity 0.578
Number of Plots 18
Mean
Cover
Relati
Cover
Constancy
Fidelity
Diagnostic
Value
ve
Ad
TOTAL
TOTAL MEAN
SPECIES FREQ COVER
Spartina cynosuroides 156 4 9 +++++ 100 12 12 12 369
Peltandra virginica 444 5 3 - - 67 3 2 1 0
Polygonum punctatum 401 4 3 - 50 2 1 0 1
Hibiscus moscheutos ssp. moscheutos 298 3 3 0 39 2 1 0 1
Polygonum arifolium 329 4 2 - - 33 2 1 0 0
j DV
(scaled)
Table H20. Compositional summary statistics from the regional analysis of Tidal Oligohaline
Marsh (Mixed Forbs Type) (CEGL006181).
Mean Species Richness 15
Homoteneity 0.546
Number of Plots 32
Mean
Cover
Relati
Cover
Constancy
Fidelity
Diagnostic
Value
ve
Ad
TOTAL
TOTAL MEAN
SPECIES FREQ COVER
Polygonum punctatum 401 4 6 ++ 89 8 7 5 28
Peltandra virginica 444 5 6 + 83 7 6 4 11
Hibiscus moscheutos ssp. moscheutos 298 3 5 ++ 83 10 8 5 34
Polygonum arifolium 329 4 4 0 72 8 6 3 6
Leersia oryzoides 287 4 5 + 64 8 5 3 10
Typha angustifolia 181 4 6 ++ 61 12 7 5 30
Spartina cynosuroides 156 4 6 ++ 58 13 8 5 31
Pontederia cordata 253 4 4 0 53 8 4 2 4
Amaranthus cannabinus 193 2 2 0 53 10 5 1 5
Mikania scandens 215 2 3 + 44 7 3 1 7
Kosteletzkya virginica 88 2 3 + 42 17 7 2 14
Schoenoplectus robustus 60 3 5 ++ 31 18 6 3 22
Echinochloa walteri 84 2 3 + 31 13 4 1 8
Thelypteris palustris var. pubescens 160 2 3 + 28 6 2 1 3
Asclepias incarnata 82 1 2 + 28 12 3 1 7
j DV
(scaled)
Adj
DV
(unscaled)
Adj
DV
(unscaled)
171