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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 />

Axis 2<br />

COLO.17<br />

Axis 1<br />

COLO.12<br />

FRSP.9<br />

PETE.9<br />

FRSP.12<br />

Group<br />

CEGL006605<br />

CEGL006606<br />

Figure G21. Scatterplot diagram for NMDS ordination of 70 swamp forest plots. Axis 1 <strong>and</strong> 2<br />

are shown from a three-dimensional ordination. Plot membership in two swamp forest<br />

associations is based on cluster analysis. CEGL006605 = Coastal Plain / Piedmont Floodplain<br />

Swamp Forest (Mixed Oak – Red Maple Type); CEGL006606 = Coastal Plain / Piedmont<br />

Floodplain Swamp Forest (Green Ash – Red Maple Type). Plots from the seven Virginia<br />

national parks are labeled to the right of or below the symbol.<br />

142

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