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  2. Shelterwood cutting - Wikipedia

    en.wikipedia.org/wiki/Shelterwood_cutting

    A shelterwood establishment cut in an eastern white pine stand in Maine. Shelterwood cutting removes part of the old forest stand to allow for a natural establishment of seedlings under the cover of the remaining trees. [1] Initial cuttings give just enough light to allow for the regeneration of desired species. Subsequent cuttings give the new ...

  3. Tree plantation - Wikipedia

    en.wikipedia.org/wiki/Tree_plantation

    When competition becomes too intense (for pine trees, when the live crown is less than a third of the tree's total height), it is time to thin out the section. There are several methods for thinning, but where topography permits, the most popular is 'row-thinning', where every third or fourth or fifth row of trees is removed, usually with a ...

  4. Ecological thinning - Wikipedia

    en.wikipedia.org/wiki/Ecological_Thinning

    An example of ecological thinning research is the project in Victoria's Box-Ironbark forests, investigating various thinning and timber removal methods under an adaptive management or AEM framework. The primary objective is to generate (over time) a number of forest habitat values (i.e. tree hollows ) that are crucial for wildlife conservation .

  5. Thinning - Wikipedia

    en.wikipedia.org/wiki/Thinning

    Thinning from below – this low thinning can be split into 4 Grades: A Grade is a very light thinning, that removes all overtopped trees Kraft crown class 4 and 5. B Grade is a very light thinning that removes overtopped trees and intermediates which are Kraft Crown class 4,5 and some 3s, C Grade and D Grade are a moderate and heavy thinning respectively removing anything that will not lead ...

  6. Variable retention - Wikipedia

    en.wikipedia.org/wiki/Variable_retention

    Variable retention harvesting retains more than 15% of the original stand in both rolling and permanent pockets of untouched trees and refugia patches. Retained forest structure is composed of live and dead trees that enhance structural diversity, and provide a hospitable habitat for variety of living organisms that prevail in the unlogged forest.

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  9. Logging - Wikipedia

    en.wikipedia.org/wiki/Logging

    Today, heavy machinery such as yarders and skyline systems are used to gather logs from steep terrain, while helicopters are used for heli-logging to minimize environmental impact. [16] Less common forms of logging, like horse logging and the use of oxen, still exist but are mostly superseded.

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