Vegetation Classification and Mapping Project Report - USGS

USGS-NPS Vegetation Mapping Program
Colonial National Historical Park
Figures
Figure 1. Location of Colonial National Historical Park (COLO),
Virginia. ....................................................................................................................................... 20
Figure 2. Physiographic provinces of Virginia showing the location of
Colonial National Historical Park. ............................................................................................... 22
Figure 3. Location of Colonial National Historical Park (COLO),
Virginia, on seven 1:24000 USGS topographic quadrangle maps. ............................................. 23
Figure 4. Ground control points used to calculate horizontal positional
accuracy of the Colonial National Historical Park leaf-on (fall) mosaics. .................................. 40
Figure 5. Ground control points used to calculate horizontal positional
accuracy of the Colonial National Historical Park leaf-off (spring)
mosaics. ........................................................................................................................................ 41
Figure 6. Locations of thematic accuracy assessment sampling points in
the eastern half of Colonial National Historical Park. ................................................................. 45
Figure 7. Locations of thematic accuracy assessment sampling points in
the western half of Colonial National Historical Park. ................................................................ 46
Figure 8. Locations of quantitative vegetation plots in the eastern half of
Colonial National Historical Park. ............................................................................................... 51
Figure 9. Locations of quantitative vegetation plots in the western half of
Colonial National Historical Park. ............................................................................................... 52
Figure 10. Vegetation and Anderson Level II classes for Colonial
National Historical Park, Yorktown Battlefield north to Bellfield
Plantation. .................................................................................................................................... 68
Figure 11. Vegetation and Anderson Level II classes for Colonial
National Historical Park, Poley Point to College Creek. ............................................................. 69
Figure 12. Vegetation and Anderson Level II classes for Colonial
National Historical Park, Jamestown Island, Swanns Point, and Green
Spring. .......................................................................................................................................... 70
Figure 13. Distribution of wetland vegetation-map classes in the eastern
half of Colonial National Historical Park. ................................................................................... 72
Figure 14. Distribution of wetland vegetation-map classes in the western
half of Colonial National Historical Park. ................................................................................... 73
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