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首页> 外文会议>International Landscape Architecture Symposium of China, Japan and Korea; 20051030-1101; Shanghai(CN) >Micro-environmental Factors for Ground Cover Bryophytes
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Micro-environmental Factors for Ground Cover Bryophytes

机译：地表苔藓植物的微环境因素

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摘要

Bryophytes (mosses) are one of the most important ground cover plants in Japanese gardens. Although large numbers of studies have been made on some popular kinds of ground cover bryophytes, little is known about other ground cover bryophytes in gardens. The purpose of this paper is to reveal bryophyte species used as ground cover, and the relationships between distribution of ground cover bryophytes and micro-environmental factors in gardens. One garden in Kyoto City, Kyoto Prefecture, Japan, was selected as a study site. In this study site, a total of 17 species of bryophytes were found, and six species were major ground cover bryophytes. Among these bryophytes, Atricum undulatum, Polytrichum commune, Trachycystis microphylla and Pseudotaxiphyllum pohliaecarpum were suitable for ground cover because of their dense cover and aesthetic reasons. Canonical Correspondence Analysis (CCA) was used to show correlations between bryophytes species and micro-environmental factors. The first ordination axis was strongly negatively correlated with the soil hardness. The second ordination axis was strongly positively correlated with the amount of solar radiation. The eigenvalues for the first and second axes were 0.799 and 0.674. The total species variation that was explained by this model was significant, with 11.6% explained by the first axis, 21.1% explained by the second axis, and 26.1%. Although the species-environment correlations in the CCA were highly significant along the first axis and along the second axis, the environmental variables measured explained but a small part of their variation in species data, suggesting that other, more determining factors exist. Nevertheless some remarkable patterns can be recognized. Our results further provide information on the using ground cover bryophytes in urban areas. There is room for further investigation of the relationships between distribution of ground cover bryophytes and micro-environmental factors.
机译：苔藓植物（苔藓）是日本花园中最重要的地被植物之一。尽管已对一些流行的地被植物苔藓植物进行了大量研究，但对花园中其他地被植物苔藓植物知之甚少。本文的目的是揭示用作地面覆盖的苔藓植物种类，以及花园中地面覆盖苔藓植物的分布与微环境因子之间的关系。日本京都府京都市的一个花园被选为学习地点。在该研究地点，总共发现了17种苔藓植物，其中6种是主要的地面覆盖苔藓植物。在这些苔藓植物中，由于其致密的覆盖层和美观的原因，Atricum undulatum，Polytrichum commune，Tracycystis microphylla和Pseudotaxiphyllum pohliaecarpum适于地面覆盖。典范对应分析（CCA）用于显示苔藓植物种类与微环境因素之间的相关性。第一排序轴与土壤硬度呈极显着的负相关。第二个协调轴与太阳辐射量呈强正相关。第一轴和第二轴的特征值分别为0.799和0.674。该模型所解释的总物种变异是显着的，其中第一个轴解释为11.6％，第二个轴解释为21.1％，第二个轴解释为26.1％。尽管CCA中沿第一轴和第二轴的物种与环境相关性非常显着，但所测量的环境变量仅能解释其在物种数据中的一小部分变化，表明存在其他更多的决定性因素。但是，可以识别出一些非凡的模式。我们的结果进一步提供了有关在城市地区使用地面覆盖苔藓植物的信息。地面覆盖苔藓植物的分布与微环境因素之间的关系还有进一步研究的空间。

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