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Even-aged forest management is the harvesting system of choice in many parts of the world because it is often considered to be the only method that is economically viable. Forestry operations have extremely high variable costs- per hour expenses for harvesting equipment and per kilometer expenses for log transportation compose a very large ...
Tree breeding is the application of genetic, reproductive biology and economics principles to the genetic improvement and management of forest trees. In contrast to the selective breeding of livestock, arable crops, and horticultural flowers over the last few centuries, the breeding of trees, with the exception of fruit trees, is a relatively recent occurrence.
The first book edition of Sylva. Forestry literature is the books, journals and other publications about forestry. The first major works about forestry in the English language included Roger Taverner's Booke of Survey (1565), John Manwood's A Brefe Collection of the Lawes of the Forrest (1592) and John Evelyn's Sylva (1662). [39]
The Forestry Library of the FAO Forestry Department, located at FAO headquarters in Rome and now part of the David Lubin Memorial Library, is a specialized library that holds approximately 6,000 books and over 600 current periodical titles, yearbooks and other serial titles on forestry and related areas.
There is less spruce and more hardwoods in the second-growth forest than in the original forest; Hearnden et al. (1996) [110] calculated that the spruce cover type had declined from 18% to only 4% of the total forested area in Ontario. Mixedwood occupies a greater proportion of Ontario's second-growth forest (41%) than in the original (36% ...
The term continuous cover forestry has been widely adopted in British forestry practice following the creation of the Continuous Cover Forestry Group in 1991. It is also a widely used term in Ireland where continuous cover forestry is actively supported by a dedicated woodland improvement programme administered by the Department of Agriculture, Food and the Marine (DAFM). [2]
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When stocking, a tree's basal area is measured. The basal area is a cross-sectional area of the stump taken about 4.5 feet (1.4 m) above the ground. [7] The equation for calculating the basal area of trees in a stand is Basal Area = 0.005454 DBH 2, where DBH is the diameter of the tree at the aforementioned measuring height. [7]