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城市风景园林植物多样性研究——以杭州高校绿地为例
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摘要
城市校园绿地植物景观是城市风景园林的重要部分,校园绿地植物多样性研究对城市风景建设有重大作用。2014年2—9月,采用典型样地法,对杭州市8个校区中绿地植物组成、植物来源、植物群落外貌以及物种多样性进行分析。结果表明:杭州校园绿地植物种类丰富,种子植物有97科225属390种,老校区中植物群落相对稳定,乡土植物应用最多,新校区国内引种和国外引种植物较多,乡土树种应用较少,景观特色不明显。木本中乔灌草比值为4:2:1,木本常绿与落叶植物比值为4:5。在杭州市所调查的8所高校校园绿地中植物群落类型以乔灌草型、乔草型为主,植物群落结构以复层混交型为主。植物群落景观具有明显的季节变化规律,衡量植物群落物种多样性的各项指数具有良好的一致性。
Plant landscape of urban campus green-land is a important part of City's landscape architecture,study on plant diversity of campus greenbelt has a significant effect on the construction of city landscape.From February to September in 2014,the typical sample plots method was used to analyze the greenbelt plant's composition,plant origin,plant community physiognomy,species diversity of eight campus in Hangzhou.The results showed that Hangzhou campus green-land floristics is abundant,of which has 390 species of seed plants belonging to 225 genera,97 families,the old campus of plant communities is relative stable,its native plants application is at most,the new campus has more domestic and abroad introduction of plants,but its native plants application is less,landscape characteristic is not obvious,the tree-shrub-herb ratio being 4:2:1,the woody evergreen-deciduous ratio being 4:5.The main plant community types were tree,shrub,herb and tree,shrub of Hangzhou 8 campus green-land investigated,plant community structure mainly was Stratified mixed type.Plant community landscape has clearly seasonal change rule,the every index to measure the plant community species diversity shows good consistency.
引文
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