为扩展呼和浩特市优良乡土园林树种的选用范围及优化其配植,对当地天然植物群落景观优势树种的园林应用前景进行预测。选取大青山哈拉沁沟为研究地,以研究地野生树种为研究对象,采用典型取样、现场实测及景观重要值分析等方法,探明了该区域景观优势树种;参照该市园林树木现状调查结果,筛选出绿地利用率低的优势种;以前期研究为基础,选用AHP法对已筛选树种进行景观价值定位,并以此作为预测基础,以树种的城市环境适应性为前提,结合绿地现状及当前政策,同时考虑树种的核心景观价值,进行多角度分析预测。结果表明:研究地树种共计32种,依据预测结果,其中10种树种园林适用广泛,发展前景优良。
Our research aims to broaden the spectrum of native ornamental tree species with high quality and optimize the arrangement of these tree species.We have expanded our study range into the wild region,Halaqingou stream valley of Daqingshan Mountain.Our research is focused on the potential landscape plants resources,especially dominant tree species,which can be foraged here.By using hierarchical sampling methods,plot investigation methods and important value analysis,the information concerning these wild dominant tree species in forest populations has been obtained.With reference to the works of Landscape Plants of Hohhot,we clarified the dominant tree species which have not been previously used in local urban green areas.Based on the previous studies,the highly valued landscape tree species can be defined by using the AHP methods to assess their values.In order to improve the accuracy of our research,the following elements are taken into consideration:the adaptability of the tree species in urban environment,the current situation and policy concerned with landscape building of Hohhot,and the main ornamental characteristics of these trees.It is concluded that there are 10 species out of the total 32 tree species in the study area have outstanding characteristics for landscape building and would be developed into popular ornamental tree species in the future.
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