What is the major forest type covering most of Pennsylvania?

The major forest type covering most of Pennsylvania is the Oak/Hickory forest. This classification reflects the ecological diversity and the dominance of these tree species in the region. Oak and hickory trees are well-adapted to the climate, soil conditions, and disturbances prevalent in Pennsylvania. They thrive in a variety of habitats, contributing to their dominance across the state.

Oak trees provide valuable wildlife habitat, support a range of biodiversity, and play a critical role in the forest ecosystem. Hickory trees are also significant as they produce nuts that are a food source for many animals. The balanced presence of these species contributes to a healthy forest ecosystem, aiding in soil stabilization, carbon sequestration, and water regulation.

In contrast, while pine, maple, and birch trees can be found in Pennsylvania, they do not represent the majority forest type. Pine tends to grow in more specific areas with sandy soils; maple is often found in mixed forests but does not dominate; and birch is frequently associated with younger forests or wetter areas. Therefore, the presence of oak and hickory as the primary tree species defines the forest landscape of Pennsylvania.