Informe anual de todo el Sector Forestal chileno, analizados en Recursos Forestales, Productos Forestales, Fuerza Laboral del sector y Comercio Exterior.
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Informe anual de todo el Sector Forestal chileno, analizados en Recursos Forestales, Productos Forestales, Fuerza Laboral del sector y Comercio Exterior.
Informe anual de todo el sector forestal chileno
Permanent plots were established in the Greater Yellowstone Area (GYA) following the 1988 fires to determine response of bark beetles to fire-injured conifers. Within 2 years (1989 and 1990), 67 percent of the Douglas-fir had been infested by bark beetles (primarily the Douglas-fir beetle) and wo...
Extensive surveys of bark beetles and wood bores in the Greater Yellowstone area were conducted in 1991 through 1993. The study objectives were to determine the effect of delayed tree mortality following the 1988 fires on mosaics of fire-killed and green tree stands, the relationship between fire...
Provides information on use of prescribed fire to enhance productivity of bunchgrass ranges that have been invaded by Douglas-fir. Six vegetative "situations" representative of treatment opportunities most commonly encountered in Montana are discussed. Included are fire prescription consideration...
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