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Go to:Forest Management Practices: Effects on Northern Hardwood Forest Types

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Catalog of Long Term Research Conducted by the Northeastern Research Station
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Forest Management Practices: Effects on Appalachian Forest Types

# 1 Large Area Comparisons of Forest Management Practices in Appalachian Forest Types
  • Objective:
    To determine the effects of different forest management systems for different site-quality classes on: a) yield and growth of the stands in terms of board feet, cubic feet, and basal area, b) species composition, and c) timber quality.
  • Objective:
    To determine the effects of 3 levels of even-age silvicultural treatment on reproduction, development, growth, and quality of northern Appalachian hardwood stands for 3 site classes.
  • Objective:
    To explore the feasibility of using the strip-selection cutting method in central Appalachian mixed hardwoods and to include aspects of yield, growth, stand development, aesthetics, cultural practices, road location, and logging control.
  • Objective:
    1) To evaluate the effect of 3 cutting treatments on the diameter growth, height growth, length of clear stem and butt-log grade of several individual Appalachian hardwood trees.
    2) To provide permanently numbered study trees for other research such as the measurement of crown characteristics, height, d.b.h. relationships and stand value.
  • Objective:
    To demonstrate and evaluate individual tree response for different species and sites, and stand response including regeneration establishment and stand development.
  • Objective:
    To determine how, when, and where the shelterwood system can be used to regenerate central Appalachian hardwood stands.
  • Objective:
    To develop a practical method to establish hardwood seedlings in clearcuts.
  • Objective:
    To evaluate individual tree and stand response when applying a crown release to 80- to 85-year-old codominant crop trees growing on an excellent Appalachian hardwood site.
  • Objective:
    To develop practical guidelines for using the group selection practice on a sustained yield basis.
  • Objective:
    To provide financial and silvicultural capabilities of different silvicultural management programs.
  • Objective:
    To determine the rate of recovery of the residual stand following a heavy glaze salvage thinning and the effects of future wind or glaze storms on this reserved growing stock.
  • Objective:
    To study the effect of silvicultural treatment on the growth of selected crop trees.
  • Objective:
    1) To determine the response of the chief species of species groups in the residual stand in terms of growth in diameter and yield in volume.
    2) To determine the loss of growing stock due to logging and natural mortality following cutting.
    3) To determine the amount, species and quality of ingrowth of sapling regeneration following sawlog cuttings.
  • Objective:
    1) To determine the effect of cutting method on the survival and growth of advance regeneration.
    2) To determine the effect of cutting method on the establishment, survival, and growth of new regeneration.
    3) To compare the total regeneration obtained from each cutting method.
  • Objective:
    To determine diameter growth and mortality rates by species and diameter class for major Allegheny hardwood species as influenced by density of residual stocking, stand structure, and other factors.
  • Objective:
    To determine the effect of fern interference and deer browsing on the establishment survival and growth of Allegheny hardwood seedlings under two shelterwood cutting situations: a) a previously-thinned stand now ready for the first cut (seed cut) of a shelterwood sequence; and b) a stand that has previously received the seed cut of a shelterwood sequence and is now ready for final harvest.
  • Objective:
    1) To determine long-term differences in the volume and value growth and yield of Allegheny hardwood stands under different management systems.
    2) To determine the effect of these management systems on the establishment of regeneration.
# 52 Methods of Cutting Allegheny Hardwoods, Little Arnot Plots 1-4
    To determine the effect of cutting method on growth of the remaining stand and on subsequent reproduction in the Allegheny Hardwoods.
# 53 Shelterwood Removal and Mowing Study
  • Objective:
    1) To determine the amount of damage to the understory caused by the removal of a hold-over stand.
    2) To determine the effect of complete exposure on the survival of various species in the understory.
    3) To determine the effect of cutting back the understory in order to produce a seedling sprout stand and to influence stand composition.
    4) To serve as a roadside demonstration of shelterwood and the cutting back of advance growth.
  • Objective:
    To 1) test herbicide-shelterwood sequence at a semicommercial scale on a variety of sites, 2) gather information on costs of herbicide application, and 3) gain experience with mechanized ground application technique.
  • Objective:
    To characterize a) growth of residual trees and stands and b) regeneration after thinning treatments involving differing levels of felling unmerchantable hemlock.
  • Objective:
    1) To study upland oak in its southernmost range.
    2) To demonstrate the proper techniques in thinning southern Appalachian hardwoods.
    3) To demonstrate real world tests of existing growth and yield predictors.
  • Objective:
    1) To describe undergrowth response to overstory thinning and deer browsing.
    2) To describe small mammal habitat relationships.
  • Objective:
    1) To manage forest undergrowth for diversity and abundance of wildlife.
    2) To describe undergrowth and small mammal response to overstory thinning and deer browsing.
  • Objective:
    To observe long term impacts of forest regeneration under various - densities.


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