Pattern formation in a spatial plant-wrack model with tide effect on the wrack.

Pattern formation in a spatial plant-wrack model with tide effect on the wrack.
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空间植物残骸模型中的模式形成以及残骸上的潮汐效应

DOI:
10.1007/s10867-009-9165-9
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发表时间:
2010-03
影响因子:
1.8
通讯作者:
Li, Bai-Lian
Li, Bai-Lian
中科院分区:
生物学4区
文献类型:
--
作者:
Sun, Gui-Quan;Li, Li;Jin, Zhen;Li, Bai-Lian

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空间格局是空间生态学的一个分支,这些格局在一定的空间尺度上改变了种群密度的时间动态和稳定性。局域化的生态相互作用可以通过空间自组织在生态系统中产生引人注目的大尺度空间格局。可能的机制包括振荡的消费者-资源相互作用,本地化的干扰恢复过程,和规模依赖的反馈。然而,在本文中,我们的主要目的是研究潮汐对空间植物残骸模型的格局形成的影响。根据色散关系式,讨论了波长、波速的变化以及空间斑图形成的条件。数学分析和数值模拟均表明,潮汐对空间格局有很大的影响。更具体地,可以获得典型的行进空间模式。我们得到的结果与先前的观察一致,即,wracks表现出旅行模式,这是有用的,以帮助我们更好地了解真实的生态系统的动态。
Spatial patterns are a subfield of spatial ecology, and these patterns modify the temporal dynamics and stability properties of population densities at a range of spatial scales. Localized ecological interactions can generate striking large-scale spatial patterns in ecosystems through spatial self-organization. Possible mechanisms include oscillating consumer–resource interactions, localized disturbance–recovery processes, and scale-dependent feedback. However, in this paper, our main aim is to study the effect of tide on the pattern formation of a spatial plant-wrack model. We discuss the changes of the wavelength, wave speed, and the conditions of the spatial pattern formation, according to the dispersion relation formula. Both the mathematical analysis and numerical simulations reveal that the tide has great influence on the spatial pattern. More specifically, typical traveling spatial patterns can be obtained. Our obtained results are consistent with the previous observation that wracks exhibit traveling patterns, which is useful to help us better understand the dynamics of the real ecosystems.
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