Circular, Temas166-215The Service, 1909 |
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Página 9
... Engelmann spruce ( Picea engelmanni ) is also common , but since it grows only in the moister and cooler situations it is not so widely distributed . Extensive open meadows and scattered woodlands are the most striking features of the ...
... Engelmann spruce ( Picea engelmanni ) is also common , but since it grows only in the moister and cooler situations it is not so widely distributed . Extensive open meadows and scattered woodlands are the most striking features of the ...
Página 1
... ENGELMANN SPRUCE IN THE ROCKY MOUNTAINS , WITH SPECIAL REFERENCE TO GROWTH , VOLUME , AND REPRODUCTION . By E. R. HODSON , FOREST EXAMINER , AND J. H. FOSTER , FOREST ASSISTANT . 51754 ° -Cir . 170-10- 1 WASHINGTON : GOVERNMENT PRINTING ...
... ENGELMANN SPRUCE IN THE ROCKY MOUNTAINS , WITH SPECIAL REFERENCE TO GROWTH , VOLUME , AND REPRODUCTION . By E. R. HODSON , FOREST EXAMINER , AND J. H. FOSTER , FOREST ASSISTANT . 51754 ° -Cir . 170-10- 1 WASHINGTON : GOVERNMENT PRINTING ...
Página 3
... . Dangers and diseases .. Reproduction . Effect of fire ... Management . Brush disposal . Volume . Conclusions .. Page . 5 5 5 6 7 8 8 10 10 12 12 13 13 17 19 19 23 3 ENGELMANN SPRUCE IN THE ROCKY MOUNTAINS , WITH SPECIAL REFERENCE.
... . Dangers and diseases .. Reproduction . Effect of fire ... Management . Brush disposal . Volume . Conclusions .. Page . 5 5 5 6 7 8 8 10 10 12 12 13 13 17 19 19 23 3 ENGELMANN SPRUCE IN THE ROCKY MOUNTAINS , WITH SPECIAL REFERENCE.
Página 5
... Engelmann spruce forms the spruce type of forest in the Rocky Mountains . With its chief associates it composes dense stands close to timber line , at the headwaters and along the upper courses of streams . These forests retard the ...
... Engelmann spruce forms the spruce type of forest in the Rocky Mountains . With its chief associates it composes dense stands close to timber line , at the headwaters and along the upper courses of streams . These forests retard the ...
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abundant acres Agriculture alpine fir annual avalanches average billion feet board feet brush Bulletin burned California Carex geyeri cedar Circular Colorado Connecticut conservative crop cubic feet cut-over diameter Douglas fir Engelmann spruce estimated eucalyptus ewes fence fiber boxes fire flower stalks forage forest cover forest land Forest Service forestry grass grazing growing Hampshire hardwoods height hemlock Idaho inches increase July Lake lambs less lodgepole pine logging lower lumber manufacture mature Merrimac miles mills moisture mountain bunchgrass mountain forests National Forests nearly northern Oregon owners pasture patrol period plants present Price 10 cents production protection pulp range reproduction River season seed seedlings sheep slopes snow soil Southern species spruce type square miles stand streams stumpage supply Table tion Total tracts trees Washington waste water powers watershed western hemlock western red cedar White Mountain region white pine wood yellow pine young growth zone