Arbuscular mycorrhizal (AM) fungi of six species of ephemeral plants,Plantago minuta,Gagea sacculifera,Gagea nigra,Tulipa iliensis,Ixiolirion tataricum and Geranium transversale in undershrub of Gurbantunggut Desert (southern edge) were investigated.
调查了我国新疆古尔班通古特沙漠南缘雅玛里克山和黑山头典型小半灌木荒漠中分布的6种优势短命植物(ephemeral plants)小车前Plantago minuta、囊瓣顶冰花Gagea sacculifera、黑鳞顶冰花Gagea nigra、伊犁郁金香Tulipa iliensis、鸢尾蒜Ixiolirion tataricum和串珠老鹳草Geranium transversale根际土壤中AM真菌多样性、孢子密度、物种丰度、相对多度、频度、重要值等。
Forty years of re-vegetation, mainly by xerophytic shrubs Artemisia ordosica Krasch and Caragana korshinskii Kom, in the Shapotou Desert Experimental Research Station has established a dwarf-shrub and herbaceous cover on stabilized sand dunes.
在草原化荒漠带沙坡头地区,利用草方格沙障并栽植灌木柠条和半灌木油蒿对流动沙丘进行固定,经过40a的演变,逐渐形成由矮灌木与草本植物覆盖的固定沙丘景观。
,three primitive and xeric desert shrubs growing and dominating in the southern boundary of the Garbantunggut desert,were tracked with The LI-6400 system by the LI-COR,Inc and Model 3005 plant water pressure chamber.
以新疆古尔班通古特沙漠南缘原始盐生旱生荒漠的3种建群灌木多枝柽柳(Tamarixramosissima)、梭梭(Haloxylonammodendron)和琵琶柴(Reaumuriasoongorica)为对象,跟踪自然降雨过程,利用LI-6400光合作用系统和Model3005植物水分压力室测定光合作用和叶水势的变化,以研究浅层土壤水分条件改变对荒漠灌木主要叶片生理特征的影响;并在原始生境中将植株根系完整地深挖取出,进行根系形态结构调查,以确定此3种灌木根系功能型与用水策略。
,three primitive and xeric desert shrubs growing and dominating in the southern boundary of the Gurbantunggut Desert were taken as objects for studying the architecture characteristics of their root systems,the root systems distribution in soil and their relations with soil water content.
结果表明,三种荒漠灌木的根系分属不同的功能型,多枝柽柳是深根潜水性植物,琵琶柴是浅根性植物,而梭梭介于两者之间。
low shrub of the eastern United States with downy twigs.
美国东部的矮灌木，带绒毛的嫩枝。
There was quite a bit of thick scrub here, leading down to the salt lake.
那里有很茂密的矮灌木丛，通向盐湖。
The country is covered in scrub.
这一地区为矮灌木丛覆盖。
common low European shrub with purple-red flowers.
欧洲普通的矮灌木，有紫红色的花。
turning green; leafing out: overgrown with greening trees and underbrush.
变成绿色的；生叶的:长满落叶树木和矮灌木的。
Small trees, shrubs, or similar plants growing beneath the taller trees in a forest.
矮树丛小树，矮灌木或树林中长在大树底下的类似植物
any of several small trees and shrubs native to the tropical Old World yielding coffee beans.
出产咖啡豆的一种原产东半球的低矮灌木。
High cedars fall when low shrubs remain.
高大的柏树被风吹倒时，矮灌木却依然屹立不摇。
The large stretches of dying poplar forests and woods on the lower reaches of the Tarim River have been brought back to life.
塔河下游大片的胡杨林和低矮灌木起死回生；
a dense thicket of shrubs and small trees.
浓密的灌木丛和矮树丛
genus of Australian shrubs or subshrubs: coral bush.
澳大利亚的灌木或亚灌木的属珊瑚矮树丛。
Low-growing plants, saplings, and shrubs beneath trees in a forest.
矮树丛树林中长在树下的矮小植物，幼苗和灌木
low-growing woody shrub or perennial with woody base.
一种矮生的木本灌木或多年生灌木，具有木质基部。
dense vegetation consisting of stunted trees or bushes.
包括矮树或灌木的浓密的植被。
low ashy-gray California shrub.
加利福尼亚的一种苍灰色矮生灌木。
A row of bushes, shrubs, or trees forming a hedge.
灌木树篱一排矮树丛、灌木或其它树木组成的树篱
deciduous or evergreen shrubs of North America: black huckleberries.
北美一个落叶或常绿灌木属；北美东部的一种比较矮小的灌木。
A fire in low-growing, scrubby trees and brush.
灌丛火在生长缓慢且矮小的树木和灌木中发生的火灾