Zobrazeno 1 - 3
of 3
pro vyhledávání: '"F. K. Behjou"'
Publikováno v:
Journal of Forest Science, Vol 55, Iss 2, Pp 96-100 (2009)
A field production study was conducted for a manual harvesting system using a chainsaw in a Caspian hardwood forest site. A selective cut was performed on a 42-hectare tract with an average slope of 30 percent. Felling time per tree was most affected
Externí odkaz:
https://doaj.org/article/e7f2eb244899442e8e62346543b57b8a
Publikováno v:
Journal of Forest Science, Vol 54, Iss 4, Pp 183-188 (2008)
This study was carried out in a steep and difficult terrain. Trees were logged downhill to the landing by a wheeled skidder Timberjack 450C. Selection cutting was performed on a 66-hectare tract with an average slope of 30%. The elemental time study
Externí odkaz:
https://doaj.org/article/2001c87f9397451baffaea642055585a
Publikováno v:
2010 International Conference on Chemistry and Chemical Engineering.
Temperate broad-leaved forests have a high conservation value. Recreational activities, particularly the use of fire places, can cause extensive damage to shrubs and trees. We develop a practical sampling method to estimate damages to residual trees
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e49aabd28fe7c646924b491e0e191aba
https://doi.org/10.1109/iccceng.2010.5560437
https://doi.org/10.1109/iccceng.2010.5560437