一、森林加拿大国土的44％,约440万平方公里的面积上分布着森林。这些森林约是美国森林的1.5倍。尽管面积很大,但加拿大的锯材年产量仅有1.5亿立方米,而美国锯材年产量是3.4亿立方米。加拿大的立木蓄积量估计是196亿立方米,略低于美国的201亿立方米。立木蓄积中几乎80％是针叶林。云杉属林 First, the forest 44% of Canada’s territory, about 4.4 million square kilometers of area on the distribution of forests. These forests are about 1.5 times those of the United States. Despite the large area, Canada produces only 150 million cubic meters of lumber annually, compared with 340 million cubic meters of lumber produced annually in the United States. Canada’s stumpage volume is estimated at 19.6 billion cubic meters, slightly lower than the 20.1 billion cubic meters in the United States. Almost 80% of stumpage is coniferous forest. Picea forest