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Prolonged exposure may lead to eventual death of the tree. [19] Insects that attack jack pine stands include the white pine weevil (Pissodes strobi), jack pine sawfly, and jack pine budworm (Choristoneura pinus). [19] Fossil evidence shows the jack pine survived the glacial period in the Appalachian and Ozark Mountains. [20]
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 ...
Can reach more than 70 m (230 ft) in height. It is a widely distributed tree in western North America, and one of the main sources of timber, with a relatively fast growth rate. Uses: timber; landscaping, posts, pulpwood, terpenes, veneers [94] [95] —
The mean annual increment (MAI) or mean annual growth refers to the average growth per year a tree or stand of trees has exhibited/experienced up to a specified age. For example, a 20-year-old tree that has a stem volume of 0.2 m 3 has an MAI of 0.01 m 3 /year.
Picea mariana, the black spruce, is a North American species of spruce tree in the pine family. It is widespread across Canada, found in all 10 provinces and all 3 territories . It is the official tree of Newfoundland and Labrador and is that province's most abundant tree.
Structure and function of growth models vary: some are purely empirical, based on the reproduction of past observations, while others explicitly mimic specific processes relative to tree ecophysiology, stand dynamics, etc. Typically, growth models use forest inventory data and site characteristics, such as soil type, drainage class, average ...
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Tree: Lodgepole pine: ... Conifers include jack pine ... with growth rates as high 4.4% and as low as 0.2%. [98] [99] Agriculture and forestry