世界森林的分类(4)

• 出 处: 林业资源管理
• 发表日期: 1982年04期
• 关键词: 世界森林 forests 赤道雨林 软材 欧洲赤松 针叶树种 温带混交林 阔叶树 商品材 毁林

主要特征主要商品材树种寒带针叶林这类森林包括北部针叶树种,如北美的白云杉、黑云杉、胶冷杉,欧洲和苏联北部的挪威云杉和欧洲赤松;苏联东北部的落叶松。温带混交林这种森林供应世界上大部分水青冈、栋、桦及珍贵的胡桃等木材。它也包括大量的针叶树,特别是欧洲的森林及北美

Key Features Main species Species Cold coniferous forests These include the northern conifers, such as North America’s white spruce, black spruce, Abies fir, European spruce and northern Norway’s spruce and European red pine; northeastern Soviet Union larch. Temperate mixed forest This forest supplies most of the world’s wood, wood, birch, and precious walnut. It also includes a large number of conifers, especially in Europe’s forests and North America