Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Robert M. Shaffer"'
Publikováno v:
Northern Journal of Applied Forestry. 22:94-101
Many forest landowners in the Appalachian region are at risk from timber theft and trespass. State laws within this region provide a confusing assortment of civil and criminal remedies to address such infractions. These heterogeneous laws address tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0016ff44caaf6cbf6203078dea2f20a1
https://doi.org/10.1093/njaf/22.2.94
https://doi.org/10.1093/njaf/22.2.94
Publikováno v:
Southern Journal of Applied Forestry. 26:5-12
Communication channels for effective transfer of portable timber bridge technology to loggers were investigated within the eastern half of the United States. Loggers received most technology information by personal contact with other loggers, followe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2b32235f4b2ee036b80a4e338fc0aa0
https://doi.org/10.1093/sjaf/26.1.5
https://doi.org/10.1093/sjaf/26.1.5
Publikováno v:
Southern Journal of Applied Forestry. 20:23-29
Benefits and costs of Virginia's forestry best management practices (BMPs) were estimated for the Mountains, Piedmont, and Coastal Plain regions using three actual nonregulatory phases and one theoretical regulatory phase of forest water quality prot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ebe0d920feb509a1c9a1f6ccf5fee7c
https://doi.org/10.1093/sjaf/20.1.23
https://doi.org/10.1093/sjaf/20.1.23
Publikováno v:
Northern Journal of Applied Forestry. 10:170-174
Group selection is a regeneration harvest method that is being promoted by the USDA Forest Service as an alternative to clearcutting. In a group selection cut, "groups" of trees are marked and harvested in small patches dispersed in a mosaic pattern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80c31afdd6328447fdefb27a5fa937e8
https://doi.org/10.1093/njaf/10.4.170
https://doi.org/10.1093/njaf/10.4.170
Autor:
James M. Keesee, Robert M. Shaffer
Publikováno v:
Southern Journal of Applied Forestry. 15:50-53
Mud transfer from soil-based logging roads to paved public highways by log trucks operating during muddy conditions is a major problem for southern logging contractors. Mud transfer can result in fines, traffic accidents, lawsuits, and loss of produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4a1ac6ea4befdbcb545bfd710c3af7e
https://doi.org/10.1093/sjaf/15.1.50
https://doi.org/10.1093/sjaf/15.1.50
Autor:
Richard S. Taumas, Robert M. Shaffer
Publikováno v:
Southern Journal of Applied Forestry. 16:140-142
Stump heights were measured on six recently harvested nonindustrial private timber sales in the Virginia coastal plain. The tracts had been clearcut by six different logging contractors. Three of the tracts had been felled with hydraulic shears, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c657177a3498adb71e241b4bee065bd4
https://doi.org/10.1093/sjaf/16.3.140
https://doi.org/10.1093/sjaf/16.3.140
Autor:
Robert M. Shaffer
Publikováno v:
Southern Journal of Applied Forestry. 9:6-10
Sealed bidding is the preferred method for selling stumpage in many areas of the South. Industry timber procurement managers are concerned with both the success rate and the amount of overbid when assessing bidding performance. Analysis of 56 sealed-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b78ff7758a6423350d3b902785b3babd
https://doi.org/10.1093/sjaf/9.1.6
https://doi.org/10.1093/sjaf/9.1.6
Autor:
Robert M. Shaffer
Publikováno v:
Southern Journal of Applied Forestry. 6:211-215
Long-term timber management contracts can be an attractive option to both the nonindustrial private landowner and the forest industry firm. However, many such contracts incorporate inequities or operational problems which may lead to eventual dissati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ee1e7ac2da875f074c638e06e637424
https://doi.org/10.1093/sjaf/6.4.211
https://doi.org/10.1093/sjaf/6.4.211
Publikováno v:
Southern Journal of Applied Forestry. 9:250-253
A method to determine the initial lease payment for a long-term timberland lease is presented from the viewpoint of both the landowner and the firm. The firm's analysis determines the maximum annual lease payment with an after-tax present value equal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b513226b12f42196de08090521aa4566
https://doi.org/10.1093/sjaf/9.4.250
https://doi.org/10.1093/sjaf/9.4.250
Publikováno v:
Southern Journal of Applied Forestry. 11:112-116
Case studies of electronic on-board log truck scales were conducted with cooperating logging contractors in Georgia and Virginia. The scales were found to accurately predict gross vehicle weight with less than 1.0% error. The cooperating contractors
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::180376b434c82d6fe78e92b21def28d5
https://doi.org/10.1093/sjaf/11.2.112
https://doi.org/10.1093/sjaf/11.2.112