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Range map of ponderosa pine. Ponderosa pine forest is the largest western forest type in the United States. [2] Ponderosa pine is the principal species on over 110,000 km 2 (27,000,000 acres) and is present on an additional 55,000 km 2 (14,000,000 acres).
Map of wood-filled areas in the United States, circa 2000 [1]. In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2]
Consisting predominantly of Ponderosa pine, this forest is located in the namesake Black Hills. There are 11 reservoirs, 353 mi (568 km) of trails, and 1,300 mi (2,100 km) of streams in this forest. Black Elk Peak is the highest point in South Dakota and the highest point in the United States east of the Rocky Mountains at 7,244 ft (2,208 m).
Pinus ponderosa, commonly known as the ponderosa pine, [3] bull pine, blackjack pine, [4] western yellow-pine, [5] or filipinus pine, [6] is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is the most widely distributed pine species in North America.
Mature Pinus pinea (stone pine); note umbrella-shaped canopy: Pollen cones of Pinus pinea (stone pine) A red pine (Pinus resinosa) with exposed roots: Young spring growth ("candles") on a loblolly pine: Monterey pine bark: Monterey pine cone on forest floor: Whitebark pine in the Sierra Nevada: Hartweg's pine forest in Mexico
The La Pine Basin is underlain by thick lacustrine deposits that exhibit high groundwater levels during the spring snowmelt. It supports lodgepole pine stands, as well as wet, forested wetlands of lodgepole pine, willow, and aspen. Scattered ponderosa pine shrub forest is found on the driest soils.
The forest contains continuous stands of ponderosa pine, Jeffrey pine, Douglas fir, red fir, white fir, lodgepole pine, Baker Cypress (Cupressus bakeri), and incense cedar. Old growth forest is estimated to cover some 168,000 acres (680 km 2) of forest land. [2] Forest headquarters are located in Yreka, California.
The wilderness includes mesquite, Apache pine and is the northernmost home of the Chihuahua pine. [8] Gila contains one of the world's largest and healthiest ponderosa pine forests. [9] Arizona sycamore, walnut, maple, ash, cottonwood, alder and willow trees are found along rivers and in canyons. [2] Gila is home of predators such as the bobcat ...