[1]黄秋燕,杨建欣*,陈安,等.榕属4个园林树种遮荫效果研究[J].江苏林业科技,2022,49(04):24-30.[doi:10.3969/j.issn.1001-7380.2022.04.005]
　Huang Qiuyan,Yang Jianxin*,Chen An,et al.Shading effect of four landscape Ficus sp trees in Moraceae[J].Journal of Jiangsu Forestry Science &Technology,2022,49(04):24-30.[doi:10.3969/j.issn.1001-7380.2022.04.005]
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榕属4个园林树种遮荫效果研究()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第49卷
期数:
2022年04期
页码:
24-30
栏目:
试验研究
出版日期:
2022-08-31

文章信息/Info

Title:
Shading effect of four landscape Ficus sp trees in Moraceae
文章编号:
1001-7380（2022）04-0024-07
作者:
黄秋燕1; 杨建欣2*; 陈安3; 周莹3; 莫伟强3; 龙丽芳1; 刘文苑1
1.广东理工学院建设学院，广东 肇庆 526070；
2.西南林业大学，云南 昆明 650224；
3.肇庆市林业科学研究所，广东 肇庆 526040
Author(s):
Huang Qiuyan1; Yang Jianxin2*; Chen An3; Zhou Ying3; Mo Weiqiang3; Long Lifang1; Liu Wenyuan1
1.School of Construction, Guangdong Technology College, Zhaoqing 526070, China;
2.Southwest Forestry University, Kunming 650224, China；
3.Zhaoqing Forestry Research Institute, Zhaoqing 526040, China
关键词:
榕树; 园林树木; 遮光率; 荫质; 遮荫效果
Keywords:
Ficus sp; Landscape tree; Shading rate; Shading quality; Shading effect
分类号:
Q143+.4；S731.2；S792.99
DOI:
10.3969/j.issn.1001-7380.2022.04.005
文献标志码:
A
摘要:
为研究桑科榕属植物的遮荫效果，选取细叶榕、黄葛榕、高山榕和垂叶榕等4个园林树种，采用手持激光测距仪、温湿度露点测试器、照度计、测树钢围尺等观测仪器和工具，测量树木的冠幅、胸径、冠高、枝下高等基本参数，采集获取全光下和树木荫影下的温度和照度，计算树木的遮光率、降温率、荫影面积、荫质、遮荫效果等指标并进行对比分析。同时对树木的叶片大小及枝叶疏透度与遮荫效果的关系做进一步验证分析。结果表明：在选取的4个榕属园林树种中，降温率最佳的树种是高山榕，其降温率为3.329%，细叶榕的遮光率、遮荫面积、荫质和综合遮荫效果最好，指标数值分别为62.802%，419.037 m2，0. 020 1 n，8.561 8。树木的枝叶疏透度与遮荫面积、遮荫效果均呈负相关，且相关性在0.01 水平（双侧）上达到显著，相关系数分别为-0.985，-0.997；树木的叶片面积、枝下高均与遮荫功能各项指标之间存在一定的相关性，但相关性均不显著。上述结果可为榕属植物景观营造尤其是遮荫树种的选择和应用提供依据。
Abstract:
To study the shading effect of Ficus in Moraceae, we selected 4 landscape trees( Ficus microcarpa, F. virens, F. altissima and F. benjamina ) as research objects. By using portable laser range finder, temperature and humidity tester, illuminance meter, etc. the crown width of the trees, diameter at breast height, crown height, height under branches were measured. The collection obtained the temperature and illuminance both in sun and tree shadow, finally their shading rate, cooling rate, and shadow area, shadow quality were calculated and their conprehansive shading effect were compared. The results showed that, among 4 landscape ficus trees, F. altissima had the highest cooling rate (3.329%). F. microcarpa had the best shading rate, shading area, shading quality and comprehensive shading effect, amounting to 62.802%, 419.037 m2, 0.020 1 n and 8.561 8, respectively. The canopy opacity was negatively correlated with shading area and shading effect, and their correlation was significant at the 0.01 level (two-sided), with coefficients of -0.985 and -0.997, respectively. There was a certain degree of correlation between the size of leaf area, the height under branches and the indexes of shading function, but the correlation was not significant. These results could provide a basis for Ficus sp landscape construction, especially for the selection and application of shade species.

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备注/Memo

备注/Memo:
收稿日期：2022-05-28;修回日期：2022-06-25
基金项目：2021年度“质量工程”项目“广东理工学院-肇庆市林业科学研究所农科教大学生社会实践教学基地”（SHSJJD202103）
作者简介：黄秋燕（1985- ），女，福建宁德人，讲师，硕士。主要研究方向：风景园林植物应用。E-mail:hqy050736@qq.com
*通信作者：杨建欣（1986- ），男，云南宜良人，博士研究生。主要研究方向：风景园林植物应用与生态效益。E-mail:la8099@qq.com
更新日期/Last Update: 2022-10-19