阿勒泰地区城镇园林树种调查及探讨

Survey and Discussion of Town Garden Tree Species in Altay Area of Xinjiang

以阿勒泰地区代表性的县(市)为例,在全面调查园林树种基础上,进行树种选择、树种评价和树种规划。结果表明:阿勒泰地区园林绿化树种共113种,其中乔木64种,灌木47种,藤本2种,以蔷薇科和杨柳科为主,乔灌木比例1.36∶1.00,常绿和落叶树种比例为1.0∶9.3;确定阿勒泰地区常用乔木、灌木树种共38种;园林绿化树种在不同绿地类型的种类差异不大,乡土树种比引进种表现良好,常绿树种比落叶树种良好,乔木比灌木良好,整体而言大多树种适应当地的生长环境;确定阿勒泰地区基调树种为:疣枝桦、圆冠榆、大叶白蜡、白柳和白榆,按绿地类型规划骨干树种。

Taking representative counties in Altay as examples,the selection,evaluation and planning of tree species had been overall investigated.The results showed that Altay gardens had 113 green species,including 64 trees species,47 shrubs species and 2liana species,mainly Rosaceae and Salicaceae,the ratio of trees and shrubs was 1.36∶1.00,the ratio of evergreen and leaves species was 1.0∶9.3.There were 38 species common trees and shrubs in Altay;gardens green species had a little difference in different green spaces,the performance of native species were better than introduction species,evergreen species were better than deciduous species,trees were better than shrubs.The overall growth of most tree species were in accordance with local;the basis species in Aletai region were Betula pendula,Ulmus round Crown,Fraxinus rhynchophylla,Salix alba L.and Ulmus pumila L.,while the backbone tree species should be planed according to the green space.