适应性辐射与宏观进化模型中竞争物种的动态变化
Dynamics of competing species in a model of adaptive radiation and macroevolution.
作者信息
De Blasio Birgitte Freiesleben, De Blasio Fabio Vittorio
机构信息
Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway.
出版信息
Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Sep;72(3 Pt 1):031916. doi: 10.1103/PhysRevE.72.031916. Epub 2005 Sep 28.
We present a simple model of adaptive radiation in evolution based on species competition. Competition is found to promote species divergence and branching, and to dampen the net species production. In the model simulations, high taxonomic diversification and branching take place during the beginning of the radiation. The results show striking similarities with empirical data and highlight the mechanism of competition as an important driving factor for accelerated evolutionary transformation.
我们提出了一个基于物种竞争的进化中适应性辐射的简单模型。研究发现竞争会促进物种分化和分支，并抑制物种的净产生。在模型模拟中，高度的分类学多样化和分支发生在辐射开始阶段。结果显示出与实证数据的显著相似性，并突出了竞争机制作为加速进化转变的一个重要驱动因素。
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