coast douglas fir造句

• Conifers dominate the climax forests of the coast Douglas fir.
• Appreciable seed production begins at 20 30 years in open-grown coast Douglas fir.
• In wet coastal forests, nearly every surface of old-growth coast Douglas fir is covered by epiphytic mosses and lichens.
• Unlike the Rocky Mountain Douglas fir, coast Douglas fir foliage has a noticeable sweet fruity-resinous scent, particularly if crushed.
• "In 1963, West Coast Douglas fir was the standard for plywood ( thin sheets of solid wood heat-pressed together ), " he recalled.
• The presence of forests full of straight grained conifers such as the Coast Douglas fir meant that Vancouver Island could provide shipbuilding material suitable for age of steam as well.
• The coast Douglas fir variety is the dominant tree west of the Cascade Mountains in the Pacific Northwest, occurring in nearly all forest types, competes well on most parent materials, aspects, and slopes.
• Further inland, coast Douglas fir is replaced by another variety, Mexican Douglas fir ( " P . lindleyana " ), which ranges as far south as Oaxaca, is often considered a variety of " P . menziesii ".
• Arroyo willow ( " Salix lasiolepis " ) and Red alder ( " Alnus rubra " ) are the dominant riparian trees in the lower watershed, with Coast Douglas fir ( " Pseudotsuga menziesii var . menziesii " ) forest.