Forest Resources of Chile as a Basis for Industrial ExpansionUSFS, 1946 - 256 páginas |
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Página 15
... comparable to that in many mature and over - mature virgin forests elsewhere in the world . few Chilean stands defect was found to total 50 percent of gross volume ; in numerous instances it amounted to less than 20 percent . In a Cubic ...
... comparable to that in many mature and over - mature virgin forests elsewhere in the world . few Chilean stands defect was found to total 50 percent of gross volume ; in numerous instances it amounted to less than 20 percent . In a Cubic ...
Página 22
... compared with 23 percent . However , the size of quality sample available is insufficient to permit conclusions regarding quality difference for individual species between province groups . In addition , it must be remembered that the ...
... compared with 23 percent . However , the size of quality sample available is insufficient to permit conclusions regarding quality difference for individual species between province groups . In addition , it must be remembered that the ...
Página 28
... comparable former estimates . Estimates of volume per unit of area are more uniform . Previous estimates for the area from Bio - Bio to and including Llanquihue range from 22,000 to 68,000 board feet per hectare , averaging about 43,000 ...
... comparable former estimates . Estimates of volume per unit of area are more uniform . Previous estimates for the area from Bio - Bio to and including Llanquihue range from 22,000 to 68,000 board feet per hectare , averaging about 43,000 ...
Página 29
... comparable with similar forest inventory volumes . Current annual depletion from all causes ( table 10 and figure 9 ) is 1,338 million cubic feet from standing timber in natural forests , woodlands and plantations . Some 93 percent is ...
... comparable with similar forest inventory volumes . Current annual depletion from all causes ( table 10 and figure 9 ) is 1,338 million cubic feet from standing timber in natural forests , woodlands and plantations . Some 93 percent is ...
Página 37
... compared with fire and natural mortality is , for most natural forest species , a minor agency of depletion . Even so , if fire and mortality depletion could be completely eliminated , the present cut of Laurel and Roble is greater than ...
... compared with fire and natural mortality is , for most natural forest species , a minor agency of depletion . Even so , if fire and mortality depletion could be completely eliminated , the present cut of Laurel and Roble is greater than ...
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50 percent adequate Alamo Alerce Araucaria Arauco Average stump height Bio-Bio board-foot breast height briquettes Canelo charcoal Chile Chilean Chiloe Cipres Coigue conifers construction consumption Coquimbo cost cubic volume diameter at breast Douglas-fir equals tree diameter equipment estimated Eucalyptus export forest land forest products forest resource fuel fuelwood furniture grade growth hardwood hauling hectares height equals tree Height in 16.3-foot inches Insignis Pine kiln Laurel Lingue Llanquihue logs Luma lumber Magallanes Malleco Manio manufacture material meters mill operations million board feet million cubic feet natural forest Olivillo panels percent of d.b.h. pesos pile plant Plate plywood present Province Group Puerto Montt pulp Rauli reasonable Roble Santiago sawmill sawtimber Sawtimber Portion shingles small mill solid wood species stump height equals supply Talca Tepa thickness thousand board feet Tineo tion Ulmo United utilization Valdivia veneer Volume Table Volumes shown wood volume woodland zone