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JOURNAL OF DESERT RESEARCH  2015, Vol. 35 Issue (2): 284-293    DOI: 10.7522/j.issn.1000-694X.2015.00030
    
Morphological Characteristics and Spatial Pattern of Populus euphratica Nebkhas to the West of the Hotan River in the Taklimakan Desert
Lai Fengbing1,2, Sun Hu1, Zhang Zhanhe2, Chen Shujiang2, Huang Tiecheng2, Mao Donglei2,3
1. College of Tourism and Environment Science, Shaanxi Normal University, Xi'an 710119, China;
2. College of Geographical Science and Tourism, Xinjiang Normal University, Urumqi 830054, China;
3. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
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Abstract  

Populus euphratica nebkha is a kind of aeolian landform caused by either the sand material accumulation or disturbed action of the wind. In the filed of aeolian landforms, there were been few studies done on P. euphratica nebkhas. To the west of the Hotan River and to the south of Hemp-tager Mountain, there are a large number of P. euphratica nebkhas in the Taklimakan Desert. Information of P. euphratica nebkhas landforms were extracted and calculated based on the field data achieved by geomagnetic RTK measuring method, with the support of GIS software. Morphometric parameters and spatial distribution pattern of 10 quadrats of P. euphratica nebkhas were studied. The results showed that: (1) there is no irregular shape with P. euphratica nebkhas. There is significant difference with morphometric parameters in spatial distribution. Average morphometric parameters in north-south direction. P. euphratica nebkhas are more stable than that in east-west direction; (2) there are significant correlation among morphometric parameters, most of P. euphratica nebkhas are still in the phase of developing; (3) distribution of P. euphratica nebkhas is sparse, the density of P. euphratica nebkhas increases gradually from west direction to east direction. However, there are from the south to the north, the changing shows decreased first then increased, and then decreased again. Generally, the P. euphratica nebkhas of density of the southern part and the eastern part are denser than the northern part and the western part; (4) there are no large difference for spatial pattern of the 10 quadrats at specific distances. On the whole, it shows discrete distribution. However, small parts of aggregated distribution in regional area in eastern side compared with western side and in northern side compared with southern side.

Key words:  Populus euphratica nebkhas      morphological characteristics      spatial distribution pattern      RTK survey      Hotan River     
Received:  16 December 2014      Published:  20 March 2015
ZTFLH:  P931.3  

Cite this article: 

Lai Fengbing, Sun Hu, Zhang Zhanhe, Chen Shujiang, Huang Tiecheng, Mao Donglei. Morphological Characteristics and Spatial Pattern of Populus euphratica Nebkhas to the West of the Hotan River in the Taklimakan Desert. JOURNAL OF DESERT RESEARCH, 2015, 35(2): 284-293.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2015.00030     OR     http://www.desert.ac.cn/EN/Y2015/V35/I2/284

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