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The West Virginia state champion bur oak has a trunk diameter of almost 3 m (10 ft). Large bur oaks, older than 12 years, [11] are fire-tolerant because of their thick bark. [10] One of the bur oak's most common habitats, especially in Midwestern United States, is the oak savanna, where fires often occurred in early spring or late fall. Without ...
Fire-tolerant bur oak savanna in Wisconsin hill country. European settlers cleared much of the savanna for agricultural use. In addition, they suppressed the fire cycle. Thus surviving pockets of savanna typically became less like savannas and more like forests or thickets. Many oak savanna plant and animal species became extinct or rare.
The swamp white oak generally occurs singly in four different forest types: black ash–American elm–red maple, silver maple–American elm, bur oak, and pin oak–sweetgum. Occasionally the swamp white oak is abundant in small areas. It is found within a very wide range of mean annual temperatures from 16 to 4 °C (61 to 39 °F).
Oak timber is a strong and hard wood with many uses, such as for furniture, floors, building frames, and veneers. [70] The wood of a red oak Quercus cerris (the Turkey oak) has better mechanical properties than those of the white oaks Q. petraea and Q. robur; the heartwood and sapwood have similar mechanical properties. [71]
– Chinkapin oak – eastern, central, and southwestern US (West Texas and New Mexico), northern Mexico; Quercus ningqiangensis S.Z.Qu & W.H.Zhang – southeastern China; Quercus oblongifolia Torr. – Arizona blue oak, Southwestern blue oak, or Mexican blue oak – # southwestern U.S., northwestern Mexico; Quercus obtusata Bonpl. – Mexico
A massive bur oak in Lexington that had lived through hundreds of years of storms, droughts and human development finally succumbed to Friday’s powerful winds. ‘Famous’ 300-year-old bur oak ...
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants.
Under optimal conditions and full sun, northern red oak is fast growing and a 10-year-old tree can be 5–6 m (16–20 ft) tall. [4] Trees may live up to 400 years; [5] a living example of 326 years was noted in 2001. [6] [7] Northern red oak is easy to recognize by its bark, which features ridges that appear to have shiny stripes down the ...
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