1.
Studies on Regenerationt of Grassland with Sparsed Elm in Keerqin Sandy Land
科尔沁沙地榆树疏林草原及其封育更新研究
2.
Studies on Characteristics of Trees and Grass Ulmus Pumila L.var.sabulosa Woodland of Sanggendalai in Hunshandake Sandy Land
浑善达克沙地桑根达来地区榆树疏林林草特征的研究
3.
Species Diversity and Arbor Population Distribution Pattern of Ulmus Pumila L Scattered Grassland of Horqin Sand
科尔沁沙地榆树疏林草地物种多样性及乔木种群空间格局
4.
Significance of the Elm Woodlands in Maintaining the Biodiversity of Temperate Grassland Eco-regions
榆树疏林对维持草地生态区域生物多样性意义的初探
5.
Analysis of Population Characteristics of Ulmus Pumila Sparse Forest in Hunshandake Sandy Land;
浑善达克沙地榆树疏林榆树种群特征分析
6.
2) There were no enough fodder for livestock in the heavy disturbed grassland and they had to eat elm seedlings and young elms, this result in further sharp decrease of the quantity of seedlings and young elms.
2． 环境异质性和水分时空分布格局是榆树疏林形成的主要原因。
7.
IMPACTS OF HUMAN DISTURBANCE ON ELMS-MOTTE-VELDT IN HUNSHANDAK SANDLAND
人为干扰对浑善达克沙地榆树疏林的影响
8.
Effect of human activities on soil environment and plant species diversity of elm sparse woods
人类活动对榆树疏林土壤环境和植物多样性的影响
9.
savanna woodland
热带稀树〔干〕草原林地
10.
Grassland with scattered clusters of trees or shrubs.
稀树高原稀疏地散布着树丛和灌木丛的草地
11.
The results showed that the water consumption between 4 years old elms and forst had no obviously difference.
结果表明:4龄榆树与林带间荒草地耗水量差异不显著;
12.
1) The elm (Ulmus pumila L.) population is declining in number and in age.
有以下主要内容: 1)浑善达克沙地榆树疏林种群在人为干扰下处于衰退期。
13.
Studies on Steppe-woodland Vegetation Restoration Mechanism in Keerqin Sandy Land;
科尔沁沙地疏林草原植被恢复机理研究
14.
The Drought-Resistance Characteristics of Four Different ELM Tree Seedlings in Yulin Region
榆林地区4种榆属树种苗期抗旱特性的研究
15.
Together they batter the trees and level the grasses.
狂风夹着暴雨横扫树林，刮平草原。
16.
The time span saw the paleovegetational evolution from broadleaf tree and bush lush grassland through bush spotting grassland to desert grassland.
研究表明，此期间该区植被由阔叶、灌木草原变为疏树灌木草原，最后变为荒漠草原。
17.
INVESTIGATION ON THE DEATH REASON OF ELMS AS WELL AS DISCUSSION ON THE EXISTANCE OF DUTCH ELM DISEASE IN CHINA
我国榆树死亡原因探讨——兼析是否发生荷兰榆病
18.
The Elaborate Chinese Architecture of Pavilion, Garden House And Stone in Cave 3 of The Yulin Grottoes
榆林窟第3窟壁画中的亭、草堂、园石