Spruce–fir forests - Wikipedia
Spruce–fir forests are type of forest found in the Northern Hemisphere dominated by spruce and fir trees. These forests are often considered to be climax forests , with the two main tree genera able to reproduce in their own shade.
dominates to deeper mineral soils with a well-developed organic layer in mixed spruce-fir forest. Low temperatures, high winds, frost, and ice are all important natural disturbance events influencing this zone. Geographic Distribution: This ecological zone ranges from western North Carolina and eastern
Spruce and Fir Forests - Department of Conservation and Recreation
2021年2月26日 · Spruce and Fir Forests. Communities of this group are characterized by coniferous and mixed forests with overstory dominance by red spruce (Picea rubens) or Fraser fir (Abies fraseri). Similar forests occur in the Appalachians from West Virginia south to western North Carolina and eastern Tennessee.
Spruce Fir - Colorado State Forest Service
Spruce-fir is among the most extensive forest types in Colorado, covering approximately 4.6 million acres or 19 percent of the state’s forested lands. Click on the map to view full size. Spruce-fir also has the largest number of acres in public ownership (Benson and Green 1987) 1.
Spruce-Fir Forest Refugia - RRC
The high elevation spruce-fir forests are a rare and valuable landscape that provides a habitat to many unique species. At 2,500 to 4,500 ft in elevation, the northern montane forests are comprised primarily of red spruce and balsam fir.
Lowland Spruce-Fir Forests - Extension
New Hampshire’s lowland spruce-fir forests usually occur at elevations between 1,000 and 2,500 feet on poor soils such as wet flatlands, cool river valleys, and rocky ridgelines. Red spruce and balsam fir are the dominant trees, often mixed with yellow and paper birch.
The spruce-fir forest is a functioning ecosystem that contains all components, processes, and conditions that result from endemic levels of disturbances (e.g. insects, diseases, fire, avalanches, and wind), including old trees, downed logs, and snags.
Montane Spruce-Fir Forests - Appalachian Trail Conservancy
2020年8月11日 · As the name implies, Montane Spruce-Fir Forests have a dense canopy of red spruce (P icea rubens) and balsam fir (Abies balsamea). Red spruce trees have sharp-pointed needles that are distributed equally around branch es, cones that hang down from branches and irregularly scaled bark.
Southern Appalachian spruce–fir forest - Wikipedia
The southern Appalachian spruce–fir forest is an ecoregion of the temperate coniferous forests biome, a type of montane coniferous forest that grows in the highest elevations in the southern Appalachian Mountains of the eastern United States.
• Spruce-fir forests are best developed along north-facing slopes, especially on Gros Ventre shale on the northern third of the range. • The mean water content of snow on May 1 for the Big Horn mountains is highest
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