Some properties of the speciation model for food-web structure - Mechanisms for degree distributions and intervality

被引：17

作者：

Rossberg, AG ^{[1
]}

Matsuda, H ^{[1
]}

Amemiya, T ^{[1
]}

Itoh, K ^{[1
]}

机构：

[1] Yokohama Natl Univ, Grad Sch Environm & Informat Sci, Yokohama, Kanagawa 2408501, Japan

来源：

JOURNAL OF THEORETICAL BIOLOGY | 2006年 / 238卷 / 02期

关键词：

food-web; evolution; network dynamics; degree distribution; intervality;

D O I：

10.1016/j.jtbi.2005.05.025

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We present a mathematical analysis of the speciation model for food-web structure, which had in previous work been shown to yield a good description of empirical data of food-web topology. The degree distributions of the network are derived. Properties of the speciation model are compared to those of other models that successfully describe empirical data. It is argued that the speciation model unities the underlying ideas of previous theories. In particular, it offers a mechanistic explanation for the success of the niche model of Williams and Martinez and the frequent observation of intervality in empirical food webs. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：401 / 415

页数：15

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