摘要
红皮云杉是东北地区重要的造林和城市绿化的优秀树种,在城市环境的红皮云杉树形优美,树冠浓密圆润。本文对吉林省7个城市绿化的红皮云杉进行了调查研究,结果表明,红皮云杉的冠高比接近黄金数0.618 0,而森林中的红皮云杉冠高比0.402 2。
Picea koraiensis is elite breed of afforesting and greening in northeast China, it presents beautiful tree feature, exuberant foliage and full crown in urban greening. An investigation on greening seven cities applied Picea koraiensis in Jilin Province, China shows following results： The crown/height ratio in urban environment is close to the optimum value of 0.6180 and that is 0.4022 in forest environment.
出处
《吉林林业科技》
2006年第6期6-8,共3页
Journal of Jilin Forestry Science and Technology
关键词
红皮云杉
城市绿化
冠高比
Picea koraiensis
urban greening
crown/height ratio
