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Vegetation Classification and Mapping Project Report - USGS

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<strong>USGS</strong>-NPS <strong>Vegetation</strong> <strong>Mapping</strong> Program<br />

Colonial National Historical Park<br />

Table H21. Compositional summary statistics from the regional analysis of Tidal Oligohaline<br />

Marsh (Saltmeadow Cordgrass – Olney Three-Square Low Interior Marsh Type)<br />

(CEGL006612).<br />

Mean Species Richness 13<br />

Homoteneity 0.621<br />

Number of Plots 14<br />

ve<br />

Ad<br />

TOTAL<br />

TOTAL<br />

MEAN<br />

SPECIES<br />

Schoenoplectus americanus<br />

FREQ<br />

108<br />

COVER<br />

4 7 +++ 100 13 13 10 104<br />

Hibiscus moscheutos ssp. moscheutos 298 3 5 ++ 100 5 5 3 19<br />

Spartina patens 142 5 7 ++ 86 8 7 6 29<br />

Polygonum punctatum 401 4 6 ++ 79 3 2 1 9<br />

Typha angustifolia 181 4 6 ++ 64 5 3 2 13<br />

Kosteletzkya virginica 88 2 4 ++ 64 10 7 3 26<br />

Amaranthus cannabinus 193 2 2 0 64 5 3 1 3<br />

Eleocharis fallax 111 4 5 + 50 6 3 2 6<br />

Schoenoplectus tabernaemontani 80 2 3 + 43 8 3 1 6<br />

Juncus roemerianus 58 4 3 - 43 10 4 1 2<br />

Spartina alterniflora 108 4 3 - 43 6 2 1 1<br />

Sagittaria lancifolia ssp. media 82 2 5 +++ 36 6 2 1 17<br />

Lythrum lineare 40 1 2 + 36 13 4 1 9<br />

Mean<br />

Cover<br />

Relati<br />

Cover<br />

Constancy<br />

Fidelity<br />

Diagnostic<br />

Value<br />

Table H22. Compositional summary statistics from the regional analysis of Salt Scrub<br />

(CEGL003921).<br />

Mean Species Richness 12<br />

Homoteneity 0.679<br />

Number of Plots 13<br />

ve<br />

Ad<br />

TOTAL<br />

TOTAL<br />

MEAN<br />

SPECIES<br />

Iva frutescens<br />

FREQ<br />

94<br />

COVER<br />

4 7 +++ 100 14 14 11 111<br />

Toxicodendron radicans 253 3 5 ++ 100 5 5 3 21<br />

Spartina patens 142 5 7 ++ 85 8 7 5 26<br />

Baccharis halimifolia 71 3 6 +++ 85 15 13 9 105<br />

Distichlis spicata 102 4 6 ++ 77 10 8 5 30<br />

Myrica cerifera var. cerifera 158 4 5 + 77 6 5 3 10<br />

Panicum virgatum var. virgatum 78 2 3 + 62 10 6 2 13<br />

Solidago sempervirens 61 2 2 0 62 13 8 2 8<br />

Juniperus virginiana var. virginiana 36 2 4 ++ 46 17 8 3 31<br />

Hibiscus moscheutos ssp. moscheutos 298 3 4 + 46 2 1 0 2<br />

Pinus taeda 64 2 4 ++ 38 8 3 1 12<br />

Schoenoplectus americanus 108 4 2 - - 38 5 2 0 0<br />

Mean<br />

Cover<br />

Relati<br />

Cover<br />

Constancy<br />

Fidelity<br />

Diagnostic<br />

Value<br />

j DV<br />

(scaled)<br />

j DV<br />

(scaled)<br />

Adj<br />

DV<br />

(unscaled)<br />

Adj<br />

DV<br />

(unscaled)<br />

172

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