Spruce and fir trees covered with a thick layer of fresh snow in winter,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、
However, it is unclear how the radial growth of treeline trees on the Tibetan Plateau responds to climate warming. We totally collected 534 ring cores of spruce (Picea spp.) and fir (Abies spp.) genera from 17 sites on the east edge of the Tibetan Plateau. The pairwise correlations ...
Aspen tree grove with autumn foliage in yellow orange and gold contrasted with the dark green foliage of a forest of pine spruce and fir trees,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体
Conifer tree style such as pine, fir,spruce, redwood, arborvitae, etc. 针叶类树包括松树 、 杉树 、 云杉 、 红木 、 柏树, 等等. 期刊摘选 Spruceand pine are evergreen trees. 云杉和松树都是常绿树木. 期刊摘选 The mast, which was a solidsprucespar, bent like a bow, and for a moment I...
美[sprus] 英[spruːs] adj.潇洒的;漂亮的 v.(弄)整洁;(把)打扮漂亮 n.【植】云杉(属) 第三人称单数:spruces现在分词:sprucing过去式:spruced 搭配 同义词 反义词 Adj.+n. spruce forest 英汉 英英 网络释义 adj. 1. 整洁的,潇洒的;漂亮的 ...
e.g. Trees such as spruce, pine and oak have been planted. 种植了云杉、松树和橡树等树木。 e.g. ...a young blue spruce. 蓝云杉幼株 2.(人)整洁漂亮的 Someone who is spruce is very neat and smart in appearance. e.g. Chris was looking spruce in his stiff-collared black shirt and ...
Fir and spruce forests are greatly affected by slight fluctuations in climate. Temperature is the primary determinate for spatial patterns of fir and spruce. The two dominant trees in this type of forest are the Picea engelmannii (engelmann spruce) and the Abies lasiocarpa (subalpine fir). ...
Spruce and fir regeneration and climate in the Forest-Tundra Ecotone of Rocky Mountain National Park, Colorado, USA. Arctic and Alpine Research 29:173.Hessl A.E. and Baker W.L. 1997. Spruce and fir regeneration and climate in the forest-tundra ecotone of Rocky Mountain National Park, ...
The method is very fast, it does not need CsCl centrifugation and is therefore suited for the analysis of large numbers of individual trees. Moreover, the buds can be collected all over the year. The yield of the method is up to 30 μg of high molecular weight DNA, enough to do ...
any evergreen, coniferous tree of the genusPicea,of the pine family, having short, angular, needle-shaped leaves attached singly around twigs and bearing hanging cones with persistent scales. any of various allied trees, as the Douglas fir and the hemlock spruce. ...