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    无锡市本地木本植物指数研究

    关键词:园林植物;本地木本植物指数;乡土植物;无锡

    Key words:landscape plants; local woody plant index; native plant; Wuxi

    摘要:根据住建部评选生态园林城市的要求,对无锡城市绿地的木本植物组成、应用及本地木本植物指数进行了调查。研究表明无锡市本地木本植物333种,本地木本植物指数为0.90,达到了住建部关于城市园林绿化I级水平的要求。但本地木本植物指数维持堪忧;各区域本地木本植物指数不均衡;本地木本植物种类虽多,但个别物种应用频率与多度偏高。针对无锡市本地木本植物指数存在问题提出相应优化对策,并就本地木本植物指数的构造及调研方法进行了探讨。

    Abstract:The composition and applications of woody plants and the local woody plant index of urban green land of Wuxi city were investigated, according to the evaluation requirements for urban greening of grade I established by the Ministry of Housing and Urban-Rural Development of PRC. The results showed that there were 333 local woody species in Wuxi city, and the local woody plant index was 0.90, which has achieved the evaluation requirement for ecological-garden city. However, the maintenance of local woody plant index could not be optimistic; and local woody plant indices in different districts were not equivalent; the frequency and abundance of several species were too high although the local woody plant species were quite diverse. The optimizing strategy for the local woody plant index of Wuxi was proposed, as well as the construction and investigation method of local woody plant index was discussed.