| 周鞠蕊,秦 华.重庆市中心城区行道树结构特征及绿化现状分析[J].林业调查规划,2022,(3):190-195 |
| 重庆市中心城区行道树结构特征及绿化现状分析 |
| Structural Characteristics and Greening Status of Street Trees in Downtown Chongqing |
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| DOI： |
| 中文关键词: 行道树 观赏特性 结构特征 生长势 配置模式 重庆市中心城区 |
| 英文关键词: street tree ornamental characteristics structural characteristics growth potential configuration mode downtown Chongqing |
| 基金项目:重庆市城市管理科研项目（城管科字2019第（24）号）. |
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| 中文摘要: |
| 经过实地调查、数据记录和样带拍摄，在重庆市中心城区设置119个样带，调查不同道路等级下行道树现状结构、景观配置及所属道路特征。结果表明，调查样带内的行道树隶属41种23科37属，常绿与落叶行道树种类比为1∶0.86，乡土与引种行道树种类比为1∶0.52；上层行道树重要值排名前5位的依次为小叶榕、香樟、银杏、黄葛树、广玉兰，中下层行道树重要值排名前5位的依次为天竺桂、紫叶李、紫薇、加那利海枣、木芙蓉；生长指数排名前5位的依次为蓝花楹、黄葛树、龙爪槐、天竺桂、小叶榕；观赏期集中在春秋季；常绿+落叶的配置模式最为常见，占比为47.06%。 |
| 英文摘要: |
| 119 transects were set up in downtown Chongqing by field investigation, data recording and transect shooting to investigate the current structure, landscape configuration and road characteristics of street trees under different road grades. The results showed that there were 41 species, 37 genera and 23 families of street trees in the investigated transect, the ratio of evergreen to deciduous street trees was 1∶0.86, and the ratio of local to introduced street trees was 1∶0.52; the top 5 important values of upper level street trees were Ficus microcarpa, Cinnamomum camphora, Ginkgo biloba, Ficus virens and Magnolia grandiflora, and the top 5 important values of middle and lower level street trees were Cinnamomum japonicum, Prunus cerasifera, Lagerstroemia indica, Phoenix canariensis and Hibiscus mutabilis; the top five growth indexes were Jacaranda acutifolia, Ficus virens, Sophora japonica, Cinnamomum japonicum and Ficus microcarpa; the viewing period was concentrated in spring and autumn; evergreen + deciduous configuration mode was the most common, accounting for 47.06%. |
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