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Quercus pagoda, the cherrybark oak, is one of the most highly valued red oaks in the southern United States. It is larger and better formed than southern red oak and commonly grows on more moist sites. Its strong wood and straight form make it an excellent timber tree. Many wildlife species use its acorns as food, and cherrybark oak makes a ...
Quercus sada Mast. Quercus rubra, the northern red oak, is an oak tree in the red oak group ( Quercus section Lobatae ). It is a native of North America, in the eastern and central United States and southeast and south-central Canada. It has been introduced to small areas in Western Europe, where it can frequently be seen cultivated in gardens ...
Bark on a mature Gambel oak. Quercus gambelii trees differ in size from one location to another. The average mature height is from 3–9 metres (10–30 feet), but occasionally reaches heights of 18 m (59 ft) in some locations. Dwarf stands of plants under 1 m (3 + 1 ⁄ 4 ft) tall are common in marginal areas where heavy browsing occurs. [3]
In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [ 2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured. [ 3][ 4]
The Treaty Oak is an octopus-like Southern live oak (Quercus virginiana) in Jacksonville, Florida. The tree is estimated to be 250 years old [1] [2] and may be the single oldest living thing in Jacksonville, [3] predating the founding of the city by Isaiah Hart during the 1820s. It is located in Treaty Oak Park in the Southbank area of Downtown ...
Quercus lobata, commonly called the valley oak or roble, is the largest of the California oaks. It is endemic to the state, growing in interior valleys and foothills from Siskiyou to San Diego counties. [ 4] Deciduous, it requires year-round groundwater, [ 5][ 6] and may live up to 600 years. Its thick, ridged bark (resembling alligator hide ...
Quercus robur is a deciduous tree up to 40 m tall, [ 5] with a single stout trunk that can be as much as 11 m in girth (circumference at breast height) or even 14 m in pollarded specimens. Older trees tend to be pollarded, with boles (the main trunk) 2–3 m long. These live longer and become more stout than unpollarded trees.
Weather alerts, forest fires, melting pavement in cities: A sizzling heat wave has sent temperatures in parts of central and southern Europe soaring toward 40 degrees Celsius (104 Fahrenheit) in ...