加拿大的寒带森林是油砂的成因。
其他的一些影响包括亚马孙雨林和寒带森林的锐减，极端天气状况出现密度加剧，物种灭绝以及农业产量下降等。
Other likely effects include shrinkage of the Amazon rainforest and Boreal forests, increases in the intensity of extreme weather events, species extinctions and changes in agricultural yields.
这个公园有着大批山杨树的公园场地、草地、沼泽和小湖泊、落叶和寒带森林，骑马登山是一个顶级的观赏野生动物的活动。
Rich with aspen parkland and grasslands, marshes and small lakes, and spanning deciduous and boreal forests, Riding Mounting is a top wildlife-viewing locale.
利用一些树种的分布资料，进一步论证了森林上限及亚寒带针叶林的分布与WI间的关系。
The relationships between the distributions of forest limit and subarctic coniferous trees and WI were examined in detail.
利用一些树种的分布资料，进一步论证了森林上限及亚寒带针叶林的分布与WI间的关系。
The relationships between the distributions of forest limit and subarctic coniferous trees and WI were examined in detail.
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