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FACTORS OF THE ENVIRONMENTBIOLOGY
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amabilis fir analysis application areas assessment average biogeoclimatic zone British Columbia C.F. Thompson Cariboo Forest clone banks coastal Douglas fir container-grown Cowichan Lake Creek diameter Douglas fir DOUGLAS FIR E.P. drag scarification Driessche Ecological Classification ecosystems effect Engelmann spruce established ethrel fertilizer Forest Region Forest Research George Forest District germination grafts growing season high elevation Illingworth initiated interior spruce K.F. Bradley Kamloops Forest District lodgepole pine LODGEPOLE PINE E.P. logging M.B. Clark mapping method Ministry of Forests mudpacked Nelson Forest District nursery stock plantations planting Plate plots pollen preparation Prince George Forest progenies provenances ramets Red Rock reforestation Research Review rootstock sampling scarification seedlings selected Silviculture Sitka spruce soil Spacing Trials stand storage subzone survival and growth test sites thinning treatment tree improvement tree species Vancouver Forest District Vancouver Island vegetation western hemlock western larch western red cedar white spruce yellow cedar