为耐寒、喜光、耐干旱瘠薄的浅根性树种，喜冷凉的气候，对土壤的适应性较强，有—定的耐水湿能力，但其生长速度与土壤的水肥条件有关系。
左图，是一个完整的海胆化石;右图，是一个针叶松植物化石，这是这个遗址上发现的为数不多的陆地上物种化石。
The complete remains of a sea urchin, left, alongside a conifer-like plant, right, which was one of the few land-based fossils that were discovered at the site
一些科学家认为，这种林业害虫，不可避免地会借由加拿大北部针叶林带中的短叶松走廊，迅速向东扩散。
Some scientists say it is inevitable that the tree-killing insect will spread all the way east via a corridor of jack pines across northern Canada's boreal forest.
短叶松穿过了加拿大北部针叶林带，并一路延伸到东海岸，直到美国。
Jack pines cross the boreal forest of northern Canada, stretching all the way to the East Coast and down into the United States.
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