It's more densely populated in heavily forested areas.
forested
Alaska is heavily forested.
their environment was heavily forested
Alabama: 60%
Oregon is known for its heavily forested areas, particularly in the western part of the state where the Cascade Range and coastal regions are located. The lush forests are primarily composed of coniferous trees such as Douglas fir, Sitka spruce, and western hemlock. These forests contribute to Oregon's rich biodiversity and are popular for outdoor activities like hiking, camping, and wildlife viewing.
Selva
Coal is composed mainly of lithified organic debris that accumulated in ancient heavily forested swamps. This organic matter underwent transformation into coal through heat and pressure over millions of years.
The Ardennes is a heavily forested region in Belgium, where the Battle of the Bulge occured.
England is heavily forested with oak, beech, and pine trees.
I think it might be the Iroquois American Indians.
Most of Belize is heavily forested, yielding Cedar, logwood, and mahogany.