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
... 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 contained in ...
... 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 contained in ...
Página 22
... 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 averages 46 ...
... 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 averages 46 ...
Página 23
... Plantation Alamo .... 14 3/2 150 Eucalyptus .... 20 5 460 Insignis Pine . 16 4 % 2 375 Other species . 15 3 150 Weighted average 24 3 605 1Diameter at breast height . Basis for classification of sawtimber by log gradel Log descriptions 23.
... Plantation Alamo .... 14 3/2 150 Eucalyptus .... 20 5 460 Insignis Pine . 16 4 % 2 375 Other species . 15 3 150 Weighted average 24 3 605 1Diameter at breast height . Basis for classification of sawtimber by log gradel Log descriptions 23.
Página 175
... 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 similar detail ...
... 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 similar detail ...
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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