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| 白龙江流域木本植物区系特征 | |
| 引用本文： | 康永祥,陈亚萍.白龙江流域木本植物区系特征[J].西北植物学报,1999,19(2):337-343. |
| 作者姓名： | 康永祥 陈亚萍 |
| 作者单位： | 1. 西北林学院 2. 陕西省水利学校,陕西杨陵,712100 3. 白龙江林业科学研究所,甘肃武都,746000 |
| 摘 要： | 白龙江流域位于黄土高原、青藏高原、秦巴山地等３个自然地理区域的交接地带，生长着相当丰富的木本植物种类，计有木本植物９０７种（含种下等级），分别隶属于１０３科，２８１属。其中中国植物特有属２０属，白龙江土著特有种２５个。根据这些种的地理分布，提出白龙江流域木本植物区系的５个基本特征：１．种类丰富；２．起源古老；３．温带性质；４．南北交汇，东西兼容的过渡特征；５．特有植物繁多。 |
| 关 键 词： | 植物区系 木本植物 白龙江 |
The characteristics of the woody plants flora in Bailongjiang Watershed |
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| KANG Yong xiang,CHEN Ya ping,LI Jing xi,QU Shi zeng,QIU Zu qing.The characteristics of the woody plants flora in Bailongjiang Watershed[J].Acta Botanica Boreali-Occidentalia Sinica,1999,19(2):337-343. | |
| Authors: | KANG Yong xiang CHEN Ya ping LI Jing xi QU Shi zeng QIU Zu qing |
| Abstract: | Bailongjang watershed is situated in the region that connects loess plateau,Qinghai Tibetan plateau and Qingling Bashan mountain.Here grow various woody plants,summing into 907 species (including infraspecific taxon) belonging to 281 genera and 103 families.Based on the distributions of these species the paper puts forward 5 basic characteristics of Bailongjang woody plants flora,i.e.1.diverse species,2.ancient origin,3.temperate nature and relations of the tropics,4.here mixing various woody plants from different districts,5.20 endemic genera to China and 25 autochthonal endemic species to Bailongjiang. |
| Keywords: | flora woody plants characteristics Bailongjiang |
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