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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. 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 ...

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. Salvage logging - Wikipedia

   en.wikipedia.org/wiki/Salvage_logging

   Salvage logging is the practice of logging trees in forest areas that have been damaged by wildfire, flood, severe wind, disease, insect infestation, or other natural disturbance in order to recover economic value that would otherwise be lost.

6. Stand density index - Wikipedia

   en.wikipedia.org/wiki/Stand_Density_Index

   Stand density index (SDI; also known as Reineke's Stand Density Index [1] after its founder) is a measure of the stocking of a stand of trees based on the number of trees per unit area and diameter at breast height (DBH) of the tree of average basal area, also known as the quadratic mean diameter. It may also be defined as the degree of ...

7. 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. Kirtland's warbler - Wikipedia

   en.wikipedia.org/wiki/Kirtland's_warbler

   Kirtland's warbler (Setophaga kirtlandii), also known in Michigan by the common name jack pine bird, [3] [4] or the jack pine warbler, is a small songbird of the New World warbler family . Nearly extinct just years ago, populations have recovered due to the conservation efforts of Phil Huber and the U.S. Forest Service .