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Spruce–fir forests can be found in cold regions at high latitudes or high altitudes throughout the Northern Hemisphere. [1] This includes both areas throughout the high latitude boreal forest of Canada and Russia, [2] [3] as well as mountain ranges at lower latitudes, such as the Rocky Mountains in North America, the Tian Shan in Asia, and the Carpathian Mountains in Europe.
[12] [13] [42] Below the spruce-fir forest, at around 1,200 meters (3,900 ft), forest composition shifts in favor of deciduous trees such as American beech, maple, birch, and oak. [13] American rhododendron is the dominant understory shrub throughout the deciduous layer but is only occasionally present in spruce-fir forests.
Major stands of southern Appalachian spruce–fir forest. The southern Appalachian spruce–fir forest consists of several stands covering a combined area of between 60,000 and 70,000 acres (24,000 and 28,000 ha), [2] [6] although less conservative estimates have placed the forest's coverage at around 90,000 acres (36,000 ha). [7]
Picea glauca (Moench) Voss., the White Spruce, [4] is a species of spruce native to the northern temperate and boreal forests in Canada and United States, North America.. Picea glauca is native from central Alaska all through the east, across western and southern/central Canada to the Avalon Peninsula in Newfoundland, Quebec, Ontario and south to Montana, North Dakota, Minnesota, Wisconsin ...
This ecological reserve protects boreal, montane and alpine ecosystems in the Toulnustouc River ecological region (domain of the black spruce-fir and moss forest) and that of the Lac Marceau summits (domain of the black spruce fir forest). It also protects a site of exceptional geological interest since it is one of five Quebec sites ...
The tundra sub-zone contain one domain, the forest tundra domain. It is the ecotone between the boreal zone and the Arctic zone, and extends roughly from 55° to 58° north. Shrubby heathland with shrubs and lichens has patches of forest in sheltered sites, mainly stunted black spruce less than 3 metres (10 ft) high.
Picea rubens, commonly known as red spruce, is a species of spruce native to eastern North America, ranging from eastern Quebec and Nova Scotia, west to the Adirondack Mountains and south through New England along the Appalachians to western North Carolina and eastern Tennessee.
Young western hemlock growing as an epiphyte on an older tree in the Hoh Rainforest. The dominant species in the rainforest are Sitka spruce (Picea sitchensis) and western hemlock (Tsuga heterophylla); some grow to tremendous size, reaching over 300 feet (91 m) in height and 23 ft (7.0 m) in diameter. [5]