Forest Resources of Chile as a Basis for Industrial ExpansionUSFS, 1946 - 256 páginas |
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Página 15
... breast height in the natural forest , for trees 1.1 inches and larger in plantation and woodland zone . Board - foot volume is shown for trees 11.1 inches and larger in diameter of quality suitable for manu- facture into sawtimber ...
... breast height in the natural forest , for trees 1.1 inches and larger in plantation and woodland zone . Board - foot volume is shown for trees 11.1 inches and larger in diameter of quality suitable for manu- facture into sawtimber ...
Página 16
... diameter at breast height , is 7 percent . The proportion of sound wood volume suitable for sawlogs varies greatly between the different species , depending on tree size and qual- ity . For example , most of the Araucaria volume is ...
... diameter at breast height , is 7 percent . The proportion of sound wood volume suitable for sawlogs varies greatly between the different species , depending on tree size and qual- ity . For example , most of the Araucaria volume is ...
Página 22
... diameter at breast height , three 16 - foot logs in mer- chantable height , and 605 board feet in gross volume . As shown by table 6 , there is a wide range in average tree size for the various species . For example , sawtimber Alerce ...
... diameter at breast height , three 16 - foot logs in mer- chantable height , and 605 board feet in gross volume . As shown by table 6 , there is a wide range in average tree size for the various species . For example , sawtimber Alerce ...
Página 175
... diameter at breast - height were tallied by species , diameter class , broad- age , vigor - class , and number of 16 foot logs , by log grade . Trees 5.1 inches to 11.0 inches in diameter were tallied on circular 1/20 acre plots in ...
... diameter at breast - height were tallied by species , diameter class , broad- age , vigor - class , and number of 16 foot logs , by log grade . Trees 5.1 inches to 11.0 inches in diameter were tallied on circular 1/20 acre plots in ...
Página 182
... diameter at breast height . Top diameter is that at the point of normal utilization for sawtimber , which ranges from about 40 to 60 percent of d.b.h. , averaging about 50 percent . Volumes shown are gross log scale , from which ...
... diameter at breast height . Top diameter is that at the point of normal utilization for sawtimber , which ranges from about 40 to 60 percent of d.b.h. , averaging about 50 percent . Volumes shown are gross log scale , from which ...
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Términos y frases comunes
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