Bark beetles in lodgepole pine used to be more selective, leaving the younger and healthier trees alone.
海滩松上的树皮甲虫会有选择性地寄居在松树上，避开年轻健康的松树。
The first is that jack pines occur in patchier stands than the continuous swaths of lodgepole on the west coast.
首先，相对于海滩松在西海岸的连续分布，短叶松仅呈零散的块状分布。
The cold air sweetened, banded pebbles and crumbs of soil cast sudden pencil-long shadows and the rearing lodgepole pines below them massed in slabs of somber malachite.
