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珠三角地区城镇绿道森林景观特征 预览 被引量:1

Landscape features of urban forest greenbelts in the Pearl River Delta
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摘要 绿道是城市绿地系统的重要组成部分。通过调查研究珠三角地区的都市绿道类型、郊野绿道类型、生态绿道类型等3种类型绿道,设立了302个样方,对乔木、灌木和地被进行了详细调查,并对其空间结构、郁闭度和盖度以及配植模式进行分析比较,得出以下结论:13种类型绿道采用乔+灌+草的复层结构形式显著高于其他结构,其所占比例都市型(79.8%)〉郊野型(60.7%)〉生态型(45.7%)。2都市型绿道的乔木郁闭度显著高于生态型绿道,相对郁闭程度都市型(0.066)〉郊野型(0.040)〉生态型(0.026)。3种类型绿道的乔木、灌木和地被的总体覆盖程度没有显著差异,相对盖度生态型(0.068)〉都市型(0.067)〉郊野型(0.060)。3绿道乔木的配置模式,列植模式出现的比例显著高于其他模式,占65.6%;绿道灌木的配置模式,列植、丛植的模式在绿道中出现的比例显著高于其他模式,列植占52.0%,丛植占31.5%;绿道地被植物的配置模式,单一式的地被植物配置模式显著高于其他模式,所占比例为64.6%。 Greenbelts are an important part of the urban green space system. To understand the features of urban forest greenbelts, with the help of the GPS, a 400 m2 standard sample was set along the greenbelt every 5km. There were 302 greenbelt sample plots in the Pearl River Delta(PRD) were tested and analyzed by vegetative spatial structure(tree-shrub-grass), canopy density, canopy coverage, and plant configuration according to three types(urban, suburban, and ecological). Results showed that the proportion of tree-shrub-grass structure was the greatest with the proportion of the three types of greenbelts being urban(79.8%) > suburban(60.7%) > ecological(45.7%). The canopy density of the urban greenbelt was the greatest with relative canopy densities being urban(0.066) > suburban(0.040) > ecological(0.026). Coverage of the three types of greenbelts were almost same with their relative coverage being ecological(0.068) > urban(0.067) > suburban(0.060). The linear planting(65.6%) was the most common planting scheme for trees. The linear planting(52.0%) and group planting(31.5%) was the most common planting scheme for shrubs. The single species of ground cover(64.6%) was the most common planting scheme for grasses.
作者 唐洪辉 赵庆 严俊 杨清 TANG Honghui;ZHAO Qing;YAN Jun;YANG Qing;Guangdong Academy of Forestry;
出处 《浙江农林大学学报》 CAS CSCD 北大核心 2016年第5期784-789,共6页 Journal of Zhejiang Forestry College
基金 国家林业公益性行业科研专项(201404301)
关键词 园林学 绿道 植物空间结构 郁闭度 盖度 配植模式 landscape architecture greenbelt plant spatial structure canopy density plant coverage disposition pattern
作者简介 唐洪辉,高级工程师,从事城市林业研究。E-mail:787226271@qq.com 通信作者:赵庆,工程师,博士,从事城市林业,风景园林等研究。E-mail:zhaoqingflzzq@qq.com
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