The maps show the recent past and projected future makeup of the forests of
the eastern United States. Which tree types are expected to replace maples,
beeches, and birches in the region shown?
Current
1960 - 1990
Projected
2070 - 2100
White-red-jack pine
Spruce-fit
Longleaf-slash pine
Loblolly-shortleaf pine
Oak-pine
Oak-hickory
Oak-gum-cypress
Elm-ash-cottonwood
Maple beech-birch
Aspen-birch
No data
O
A. Elms and ashes
B. Longleaf and slash pines
C. Oaks and hickories
O
D. Loblolly pines