Also, trees grown in a nursery for one or more years. May be described as single tree or group selection system. The capacity of a tree to develop and grow in the shade of and in competition with other trees. An example of a tree with high shade tolerance is sugar maple. Used to produce Christmas trees.
Early cuttings improve the vigor and seed production of the remaining trees.
The trees that are retained produce seed and also shelter the young seedlings. Subsequent cuttings harvest shelterwood trees and allow the regeneration to develop as an even-aged stand. The art and science of producing and tending a forest. 2.An area evaluated for its ability to produce a particular forest or other vegetation based on the combination of biological, climatic and soil factors. May include clearing, chemical vegetation control or burning.