Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Loren D. Kellogg"'
Publikováno v:
International Journal of Forest Engineering. 24:42-52
This research investigates an economic component of harvesting operations not previously studied for steep-slope thinning harvests in Douglas-fir (Pseudotsuga menziesii) stands. Pacific Northwest log manufacturing was explored to evaluate revenue imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b122541e9f5983b55ac779030ecd030
https://doi.org/10.1080/19132220.2013.791196
https://doi.org/10.1080/19132220.2013.791196
Autor:
Mauricio Acuna, Loren D. Kellogg
Publikováno v:
International Journal of Forest Engineering. 20:17-25
This research quantified the equipment productivity relationships between piece size and terrain conditions for mechanized harvesting operations in native forest re-growth thinning. In addition, the economic gains or losses of adding a feller buncher
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd6d766a9e00ff803fd279db84c24e88
https://doi.org/10.1080/14942119.2009.10702579
https://doi.org/10.1080/14942119.2009.10702579
Publikováno v:
International Journal of Forest Engineering. 20:47-56
Most mechanical forest fuel reduction treatments prescribed to extract biomass are performed with existing or modified conventional logging equipment. Treatments that commonly harvest small, non-merchantable trees are often combined with or integrate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2fb9ca221b7fc12d5a64d3a9a88061f
https://doi.org/10.1080/14942119.2009.10702582
https://doi.org/10.1080/14942119.2009.10702582
Publikováno v:
Journal of Forestry. 103:169-173
Our primary study objective was to test the accuracy and reliability of consumer-grade GPS receivers in a variety of landscape settings. We established three measurement testing courses in open sky, young forest, and closed canopy settings within a c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0144450f597b40daee2878223fe8e2c7
https://doi.org/10.1093/jof/103.4.169
https://doi.org/10.1093/jof/103.4.169
Publikováno v:
Western Journal of Applied Forestry. 20:138-143
Higher-precision technologies may increase measurement accuracy and efficiency for operational layout while decreasing total planning costs. Although a number of trials have been completed on the potential implementation of some of these new technolo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0eb80950d48ae8633e95926860499d98
https://doi.org/10.1093/wjaf/20.2.138
https://doi.org/10.1093/wjaf/20.2.138
Autor:
Peter J. Matzka, Loren D. Kellogg
Publikováno v:
Western Journal of Applied Forestry. 18:118-126
Many high-elevation stands of noble fir (Abies procera) in the northern Oregon Cascades are being actively managed. Forest managers are investigating different activities that will control stand impacts and the subsequent spread of Heterobasidion ann
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce515115f4de8c437b9411825d050bf
https://doi.org/10.1093/wjaf/18.2.118
https://doi.org/10.1093/wjaf/18.2.118
Autor:
Loren D. Kellogg, Penn A. Peters
Publikováno v:
Transactions of the ASAE. 23:1080-1083
THE Igland-Jones Trailer Alp is a yarder for small-wood cable yarding systems previously tested in Nor-way, British Columbia, and western Oregon. Production as affected by silvicultural prescription, rigging tech-niques, yarding direction and distanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fc9735bbb82c2c95e8544849db0a467
https://doi.org/10.13031/2013.34722
https://doi.org/10.13031/2013.34722
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