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Single-leaf pinyon–Utah juniper woodland in northeastern Nevada near Overland Pass at the south end of the Ruby Mountains. Pinyon–juniper woodland, also spelled piñon–juniper woodland, is a biome found mid-elevations in arid regions of the Western United States, characterized by being an open forest dominated by low, bushy, evergreen junipers, pinyon pines, and their associates.
The main plant communities, or zones, are woodlands, mountain woodlands, and grassland and shrub. The woodland zone, or pinyon-juniper woodland, covers the largest area.. It consists of open woodlands of short trees, mostly pinyon pine (Pinus edulis throughout the ecoregion, and Pinus monophylla subsp. fallax in the southwestern portion of the ecoregion) and species of juniper (Juniperus spp
Scattered pinyon-juniper woodlands, ponderosa pines, and Douglas-fir are found at higher elevations. [1] About 240 miles (390 km) of trails cross the wilderness. These include the Verde River Trail, which follows the river for about 28 miles (45 km) and the Mazatzal Divide Trail, which runs north–south for about 29 miles (47 km). [1]
In the Northern Basin and Range ecoregion, juniper grows alone and without distinct elevational banding. Historically, miners cut pinyon and juniper for mine timbers. Since the beginning of fire suppression early in the last century, juniper–pinyon woodland has increased in density and expanded into lower sagebrush zones. More recently, large ...
Pinyon-juniper woodlands are nurse plants of ecological facilitation between chapparel scrubland and forested environments at higher elevations. [16] Juniper tends to be more predominant at lower elevations, while Piñon Pine grow more vigorously at slightly higher elevations. Other flora varieties of this plant community may include: winterfat ...
Ecosystems in the Blackridge Wilderness range from low desert at the bottom of LaVerkin Creek, through pinyon-juniper woodlands in the middle elevations, and ponderosa pine, Douglas fir, and aspen forests at the highest elevations. Hanging gardens grow on some canyon walls.
Rockier soils support juniper steppe woodlands. The density and extent of juniper varies over time and is dependent on long-term climate fluctuations, grazing pressure, and fire suppression. Juniper woodland is currently absent in the Jarbidge and Santa Rosa mountains, where mountain brush and scattered aspen groves occupy the woodland zone.
Wabayuma Peak Wilderness is a protected wilderness area centered around its namesake Wabayuma Peak, rising to 7,601 feet (2316 m) in the Hualapai Mountains in the U.S. state of Arizona.