Damage to the residual stand due to skyline yarding Public Deposited

http://ir.library.oregonstate.edu/concern/defaults/bk128g90b

Graduation date: 1982

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  • The use of partial cutting in the western conifers has become popular in the last decade. This has resulted in an increase in the amount of damage to the residual stand due to skyline logging. The purpose of this study is to provide models to predict the percent of a stand which can be expected to incur damage during skyline yarding. Data was collected over a four year period on eight National Forests in Region 1, USDA Forest Service. Seventy-one corridors were partial cut and yarded uphill. Regression analysis was used to develop models based on the following classifications: silvicultural prescription, number of logs per thousand board feet, and type of yarding system. The analysis of the data identified some of the variables which have an impact on the amount of damage. Those which had the most impact on the amoune of damage are: landing size, tail tree height, number of cut trees per acre, number of leave trees per acre, and chordslope. The paper provides an initial estimate of the amount of damage to the residual stand due to skyline logging. Further research is necessary to fully identify the manner in which variables affect damage and determine which other conditions influence damage to the residual stand.
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  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2009-04-09T13:40:42Z (GMT) No. of bitstreams: 1 Burditt, Audrey MF.pdf: 339069 bytes, checksum: e432373a0c3e02fbd42d3643f08ff50a (MD5)
  • description.provenance : Made available in DSpace on 2009-04-09T13:40:42Z (GMT). No. of bitstreams: 1 Burditt, Audrey MF.pdf: 339069 bytes, checksum: e432373a0c3e02fbd42d3643f08ff50a (MD5)
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2009-04-08T22:36:32Z No. of bitstreams: 1 Burditt, Audrey MF.pdf: 339069 bytes, checksum: e432373a0c3e02fbd42d3643f08ff50a (MD5)

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