期刊
JOURNAL OF BIOLOGICAL SYSTEMS
卷 18, 期 2, 页码 495-508出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218339010003366
关键词
Self-Organization; Vegetation; Turing Instability; Wavelength
资金
- National Natural Science Foundation of China [60771026]
- Program for New Century Excellent Talents in University [NCET050271]
- Special Scientific Research Foundation [20060110005]
- International and Technical Cooperation Project of Shanxi province [2010081005]
In semi-arid environments, vegetation is not homogeneous, but rather self-organized into spatial patterns. And spatial patterns of vegetation are a central feature of these semi-arid areas. Thus, in this paper, we give detailed analysis of a vegetation model in arid ecosystems. According to the dispersion relation formula, we discuss the changes of the wavelength, with respect to the rainfall and plant mortality rate. The obtained results show that, as rainfall being decreased, spotted, striped and black-eye patterns emerge successively.
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