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| Geographical Distribution and Seed Characteristics of Allium mongolicum in China |
| Zhang Yinghua, Liu Shizeng, Yu Qiushi, He Fanglan, Zhang Jinhu |
| State Key Laboratory of Desertification and Aeolian Sand Disaster Combating, Gansu Desert Control Research Institute, Lanzhou 730070, China |
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Abstract In order to ascertain the geographical distribution of Allium mongolicum in China, we surveyed all possible areas in North China. It showed that: (1) A. mongolicum was distributed between 36°28'—46°14'N and 88°39'—116°05'E, including Shaanxi, Gansu, Ningxia, Inner Mongolia, Xinjiang and Qinghai province. (2) In different circumstances, species composition among A. mongolicum community was different. Most of them were accompanying species or occasional species and few of them were dominant species. (3) In different circumstances, seed characteristic of A. mongolicum was different. In some populations, there were not any seed or few seeds on individual of A. mongolicum. Water was an important factor influencing seed quantity. The human factor aggravated the decreasing of A. mongolicum resources.
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Received: 30 November 2012
Published: 20 March 2014
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Corresponding Authors:
刘世增（Email：shzliu@126.com）
E-mail: shzliu@126.com
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2014, Vol. 34 
