Robust patterns in food web structure -: art. no. 228102
Robust patterns in food web structure -: art. no. 228102
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DOI：
10.1103/physrevlett.88.228102
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发表时间：
2002-06-03
影响因子：
8.6
通讯作者：
Amaral, LAN
中科院分区：
文献类型：
--
作者：
Camacho, J;Guimerá, R;Amaral, LAN
我们分析了来自各种环境的七个社区食物网的属性，包括淡水，海洋-淡水界面和陆地环境。我们发现定量统一的模式，描述了考虑的不同营养网的属性，并建议统计物理学的概念，如缩放和普遍性可能是有用的生态系统的描述。具体来说，我们发现，这些不同的食物网的几个数量特征服从的功能形式，在考虑的不同环境中是普遍的。实证结果与最近提出的食物网模型的分析解非常一致。
We analyze the properties of seven community food webs from a variety of environments, including freshwater, marine-freshwater interfaces, and terrestrial environments. We uncover quantitative unifying patterns that describe the properties of the diverse trophic webs considered and suggest that statistical physics concepts such as scaling and universality may be useful in the description of ecosystems. Specifically, we find that several quantities characterizing these diverse food webs obey functional forms that are universal across the different environments considered. The empirical results are in remarkable agreement with the analytical solution of a recently proposed model for food webs.