1. Rangelands of North America
Pinyon-Juniper Woodlands
Famartin – Wikipedia.org
Global Rangelands Project

2. Location and Distribution
Juniper is one of the most popular species for bonsai trees. Sagebrush and pinyon have been used as well.
Ragesoss - Wikipedia
Ragesoss - Wikipedia
Global Rangelands Project

3. Vegetation Distribution
Historic area estimated to cover million ac (17-55 million ha).
Limited by drought and frost
Dominate species is variable by geographic distribution and topographic location
Great Basin
Colorado Plateau
Southwest
Juniper vs. Pinyon
Juniper is more drought tolerant and frost tolerant than Pinyon
Juniper often dominant at the lowest (drought) and highest (frost) elevations
Pinyon usually dominate mid-elevation
Be sure to state where any photographs/maps come from or who they are created by in this section in addition to extra information.
Global Rangelands Project

4. Most western US states, especially Nevada and the four corners states
4 Corners states = Utah, Colorado, Arizona, New Mexico
Transitional vegetation
Bounded by desert grasslands or shrublands at low elevations and montane forests at high elevations
Be sure to state where any photographs/maps come from or who they are created by in this section in addition to extra information.
Global Rangelands Project

5. Physical Characteristics
When inserting the caption, make it fun but appropriate. Altering phrases such as “lions, tigers, and bears, oh my!” are a good way to incorporate a little humor into a presentation to break things up.
The “Jardine Juniper” in Logan Canyon, Utah is estimated to be over 1,500 years old, making it the oldest known rocky mountain juniper.
Global Rangelands Project

6. Climate A winter/spring precipitation regime in the Great Basin.
Winter/summer on Colorado Plateau.
Summer monsoonal pattern in Southern end of ecosystem (AZ and NM)
Temperatures range widely depending on elevation
Global Rangelands Project

7. Climate A winter/spring precipitation regime in the Great Basin.
Minden, NV
Global Rangelands Project

8. Climate Winter/summer on Colorado Plateau. Cortez, CO
Global Rangelands Project

9. Climate
Summer monsoonal pattern in Southern end of ecosystem (AZ and NM)
Albuquerque, NM
Global Rangelands Project

10. Topography Topography in this ecosystem extremely varied.
Great Basin Pinyon-Juniper woodlands found in low mountains and foothills.
Colorado Plateau woodlands on mesas and plateaus.
Southwest woodlands found in rolling hills and grassy savannas.
Bob Bolton – Summitpost.org
Be sure to state where any photographs/maps come from or who they are created by in this section in addition to extra information.
J Dykstra - Wikipedia
Global Rangelands Project

11. Juniper berries are used in European and Scandinavian cuisine.
Plants and Animals
When inserting the caption, make it fun but appropriate. Altering phrases such as “lions, tigers, and bears, oh my!” are a good way to incorporate a little humor into a presentation to break things up.
Juniper berries are used in European and Scandinavian cuisine.
USDA– Wikipedia.org
Global Rangelands Project

12. Major Plants Western Juniper (Juniperus grandis)
Utah Juniper (Juniperus osteosperma)
Rocky Mountain Juniper (Juniperus scopulorum)
Single-leaf pinyon (Pinus monophylla)
Famartin - Wikipedia
Be sure to state where any photographs/maps come from or who they are created by in this section in addition to extra information.
Walter Siegmund - Wikipedia
Plants.usda.gov
Global Rangelands Project

13. Current Plant Communities
Three main types of plant communities
Persistent Pinyon-Juniper Woodlands
Pinyon-Juniper Savannas
Wooded Shrublands
Al Schneider - USDA
Global Rangelands Project

14. Persistent Pinyon-Juniper Woodlands
Found throughout the west
Canopy can be dominated by pinyon or juniper or a mix of both
Understory characterized by low plant cover
Global Rangelands Project

15. Pinyon Juniper Savannas
Characterized by a continuous grass understory
Savanna and open woodlands
Canopy can be dominated by pinyon or juniper or a mix of both
Global Rangelands Project

16. Wooded Shrublands Prevalent in the Great Basin
Precipitation is winter dominated
Canopy can be dominated by pinyon or juniper or a mix of both
Understory of shrub steppe
Global Rangelands Project

17. Animals
Pinyon-Juniper woodlands offer good shelter and cover for animals to hide from predators.
Many different animals depend on juniper berries or pine nuts for part of their diet.
Msulis - Wikipedia
Forest Service - Wikipedia
Howcheng - Wikipedia
Global Rangelands Project

18. Long-Term Trend Slowly have spread out of historic range
Displacement of other rangeland vegetation types
Pinyon-Juniper Woodland in Surprise Canyon: Taken By Jimmy
Global Rangelands Project