| 北京市古树多样性研究 |
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| 引用本文： | 陈晓.北京市古树多样性研究[J].科学技术与工程,2010,10(27). |
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| 作者姓名： | 陈晓 |
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| 作者单位： | 北京市园林科学研究所,北京,100102 |
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| 摘 要： | 根据2007年北京市古树名木调查统计数据,全市现有古树28科47属66种(含变种、变型、品种)39 408株.通过对古树数量、种类构成、地理成分、珍稀濒危及重点保护树种和特色古树进行分析研究,表明北京市古树具有以下特征:种类丰富,数量众多;地理成分多样,温带特征明显;珍稀树种和特色古树占相当比例.
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| 关 键 词： | 古树 树种 多样性 北京 |
| 收稿时间： | 2010/6/28 0:00:00 |
| 修稿时间： | 7/7/2010 7:12:46 PM |
Diversity of Ancient Trees in Beijing |
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| CHEN Xiao.Diversity of Ancient Trees in Beijing[J].Science Technology and Engineering,2010,10(27). |
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| Authors: | CHEN Xiao |
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| Institution: | CHEN Xiao(Beijing Institute of Landscape Architecture,Beijing 100102,P.R.China) |
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| Abstract: | According to survey data of ancient and famous trees of Beijing in 2007, there are 39 408 ancient trees, which belong to 66 species (including varieties, forms and cultivars) from 47 genera and 28 families in Beijing. Analytical studies are conducted on quantity, composition, geographical elements and rare, endangered, key protected, distinctive species. The results show that ancient trees of Beijing have the following characteristics: species are abundant, quantity is large; geographical elements are complex, character of temperate zone is obvious; rare and distinctive species account for a considerable proportion. |
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| Keywords: | ancient trees tree species diversity Beijing |
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