| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Competitive Exclusion Principle Revised by Noise |
| LIU Yong-Jiang, WANG Ai-Ling, WANG Biao, LIU Zhao-Hua |
| Key Laboratory for AMT Shanxi, North University of China, Taiyuan 030051 |
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| Cite this article: |
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LIU Yong-Jiang, WANG Ai-Ling, WANG Biao et al 2010 Chin. Phys. Lett. 27 018701 |
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Abstract A fundamental tenet in theoretical ecology is the competitive exclusion principle. Two competitive species for a limited resource cannot coexist and thus one of the species will be driven to extinction. However, we show that noise can revise this principle in a resonance-like manner, which makes coherence resonance in the system. Our obtained results well enrich the findings in the interaction of populations in ecosystems, which may explain some filed observations in the real world.
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| Keywords:
87.23.Cc
82.40.Ck
05.45.Pq
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Received: 07 September 2009
Published: 30 December 2009
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| PACS: |
87.23.Cc
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(Population dynamics and ecological pattern formation)
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82.40.Ck
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(Pattern formation in reactions with diffusion, flow and heat transfer)
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05.45.Pq
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(Numerical simulations of chaotic systems)
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