Even if it takes a while to make it to the East Coast, the beetle's spread through the boreal forest can cause its own problems.
Carroll还说,尽管扩散到东海岸还需要一些时间,但甲虫通过北部针叶林带的扩散本身就会产生一些问题。For conifers which do not form an abscission layer at the base of the cone, shakers have been partially or completely unsuccessful.
对于球果基部不能形成脱离层的针叶树,摇树机的作用不大,或者完全不起作用。As buildings go up in Beijing, Shanghai, Guangzhou and Chongqing, the vast Taiga boreal forests of Siberia are being flattened.
随着北京、上海、广州和重庆的“摩天大楼平地起”,西伯利亚广阔的极地针叶林带正在萎缩。Around it the taiga was flattened, with the broken trees pointing outward from the middle like the sticks in a game of spillikins.
在此区域周围的针叶林带已经被夷为平地,折断的树木指向背离中心方向,如同抽杆游戏中的小棒。Among the man-made forests, the distance index of the coniferous mixed plantation is the lowest, and its pattern is nearly agglomeration.
人工林中,人工针叶混交林的距离指数最小,格局接近于团聚分布;The evergreens traditionally brought indoors were decorated with apples, symbolizing the Garden of Eden.
传统上带入室内的针叶树用苹果装饰,象征着伊甸园。Fir living in Xinjiang is an ornamental tree species, with graceful crown of a tree, straight trunk, needle leave and long elliptic fruit.
其中,新疆冷杉是一种很好的观赏树种,它的冠形优美,树干通直,针叶翠绿,果实呈椭圆形。Other colours found along the desert's southern fringe stem from the fossilised remains of a prehistoric coniferous forest.
该沙漠以南地区还存在其它颜色,它们来自史前一座针叶树林所遗留下来的化石。Any of several coniferous evergreen trees of the genus Agathis, especially A. australis of New Zealand, having broad leathery leaves.
贝壳杉一种贝壳杉属的针叶常绿树,尤指产于新西兰的新西兰贝壳杉,具有宽大的似皮革的叶子