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JOURNAL OF DESERT RESEARCH  2008, Vol. 28 Issue (3): 491-497    DOI:
生物土壤与生态     
Analysis of Ecosystem’s Dissipation Characteristics of Beitun Oasis, Xinjiang
HUANG Jun-fang1,2, WANG Rang-hui1, LIN Yi1,2, HUANG Qing1,2, DONG Shuang1,2, WANG Xiao-fei1,2
1.Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China
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Abstract  The ecosystem structure and function of Beitun oasis was analyzed systematically by the theory of dissipative structure. In the course of oasis evolvement, the oasis and the desert have formed a kind of nonlinear fluctuated situation, and their relationship is both mutual contradicted and symbiotic. Human activities have become the main reason for oasis fluctuation. The process of energy dissipation of the Beitun oasis agroecosystem was further discussed by the method of energy analysis. The total solar energy input is 9.70×1019 sej in Beitun oasis agroecosystem, and the output is 6.56×1020 sej, showing a type of energy output ecosystem. In order to make humans subjective behavior compatible with environmental quantity and productivity level, construct a reasonable structure of oasis's ecological agriculture so as to make the biology and environment consistent, and to bring the principle of symbiotic relationship and mutual benefit into full play, and ultimately realize the sustainable development of the oasis, The system needs information increase by artificially inputting energy, introducing negative entropy such as substance, knowledge, technique, etc.
Key words:  dissipative structure      energy analysis      ecosystem      Beitun oasis     
Received:  06 March 2007      Published:  20 May 2008
ZTFLH:  X192  

Cite this article: 

HUANG Jun-fang;WANG Rang-hui;LIN Yi;HUANG Qing;DONG Shuang;WANG Xiao-fei;. Analysis of Ecosystem’s Dissipation Characteristics of Beitun Oasis, Xinjiang. JOURNAL OF DESERT RESEARCH, 2008, 28(3): 491-497.

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http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2008/V28/I3/491

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