释义 |
balsam firnounA North American fir tree which yields Canada balsam.- Abies balsamea, family Pinaceae.
Like balsam fir, white fir is relatively difficult to establish in plantations, and growth after planting is often very irregular....- The forests include such conifers as red spruce, black spruce, white spruce, balsam fir, red pine, jack pine, eastern white pine, tamarack, eastern white cedar, and eastern hemlock.
- Old-growth stands are thus characterized by a continuous low-canopy layer of balsam fir and white cedar from which taller birch and white spruce individuals emerge.
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