balsam poplar造句

• From 1951 until 1981, South Thormanby Island was selectively logged . 75 % of the trees harvested were Coastal Douglas Fir and 25 % were red cedar and balsam poplar.
• In Alaska, associates include paper birch, trembling aspen, balsam poplar, and black spruce; in western Canada, additional associates are subalpine fir, balsam fir, Douglas-fir, jack pine, and lodgepole pine ( Dyrness 1980 ).
• Balsam poplar, which grows in moist valleys, thrives in the spring-fed ravines such Paskapoo Slopes, Twelve Mile Coulee, Edworthy Park, and Valley Ridge, creating an environment that encourages significant wildlife movement and use.
• The forested, or woodlands area is dominated by trembling aspen " ( Populus tremuloides ) ", balsam poplar " ( Populus balsamifera ) ", other poplars and spruces, although other species of trees do occur.
• Western tanager was reported foraging on quaking aspen, as well as balsam poplar ( " P . balsamifera ssp . balsamifera " ), speckled alder ( " Alnus rugosa " ), and white spruce in central Alberta.
• However, whereas strong positive relationships between soil temperature ( 5 癈 to 25 癈 ) and growth have been found in balsam poplar, white and other spruce species have shown little or no changes in growth with increasing soil temperature.
• Softwood lumber trees ( primarily white spruce ) are cut from the surrounding forests, and milled at Spruce Products Ltd . Also, east of Swan River in the Rural Municipality of Minitonas, is located a mill specializing in the production of oriented strand board from aspen and balsam poplar.
• Her garden at Westwell expresses the satisfaction of a straight line, the symmetry of a perfect circle, the peace and harmony of the allee of white-stemmed birch that leads to the round moonlight garden, but one feels the appeal of wildness here too, in the woolly orchard and the balsam poplars by the stream.
• High-lime ecotypes may exist ( Pelletier 1966 ), and in Canada Forest Section B8 the presence of balsam poplar and white spruce on some of the moulded moraines and clays seems to be correlated with the considerable lime content of these materials ( Rowe 1972, Stiell 1976 ), while calcareous soils are favourable sites for northern outliers of white spruce ( Hustich 1953 ).