Forest Resources of Chile as a Basis for Industrial ExpansionUSFS, 1946 - 256 páginas |
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Página xi
... increased through growth , and the potential growth on forest areas . A Study of Requirements --An estimate of the present consumption of forest products and the probable future trend in requirements for both domestic and indus- trial ...
... increased through growth , and the potential growth on forest areas . A Study of Requirements --An estimate of the present consumption of forest products and the probable future trend in requirements for both domestic and indus- trial ...
Página 44
... ume ; the inventory figures show content of sound wood only . Allowance for endemic increase in volume of decay is included in the estimates of natural depletion given in tables 19 and 20 . FOREST GROWTH -- A forest , unlike a mine , 44.
... ume ; the inventory figures show content of sound wood only . Allowance for endemic increase in volume of decay is included in the estimates of natural depletion given in tables 19 and 20 . FOREST GROWTH -- A forest , unlike a mine , 44.
Página 45
... increased from 94 to 196 million cubic feet an- nually , or approximately what existing forest tree nursery capacity is capable of maintaining . Growth in the woodland zone is assumed to in- crease only nominally , from a total of 18 to ...
... increased from 94 to 196 million cubic feet an- nually , or approximately what existing forest tree nursery capacity is capable of maintaining . Growth in the woodland zone is assumed to in- crease only nominally , from a total of 18 to ...
Página 50
... increase greatly when the present large areas of immature stands reach merchantable size and accessible timber sup- plies in natural forests became depleted . Table 24 indicates a life of Alamo sawtimber of only 10 years , but since the ...
... increase greatly when the present large areas of immature stands reach merchantable size and accessible timber sup- plies in natural forests became depleted . Table 24 indicates a life of Alamo sawtimber of only 10 years , but since the ...
Página 52
... Increased production , 20 years . 5,880 13,940 Total possible 20 - year gain due to forest protection .... 10,720 30,300 PRESENT CUT__ POSSIBLE CUT SUSTAINABLE WITH FIRE PROTECTION__ FIGURE 13 . • 300 600 900 MILLION BOARD FEET PRESENT ...
... Increased production , 20 years . 5,880 13,940 Total possible 20 - year gain due to forest protection .... 10,720 30,300 PRESENT CUT__ POSSIBLE CUT SUSTAINABLE WITH FIRE PROTECTION__ FIGURE 13 . • 300 600 900 MILLION BOARD FEET PRESENT ...
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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