Small World Patterns in Food Webs
The analysis of some species-rich, well-defined food webs shows that they display the so-called small world behavior shared by a number of disparate complex systems. The three systems analysed (Ythan estuary web, Silwood web and the Little Rock lake web) have different levels of taxonomic resolution...
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| Veröffentlicht in: | Journal of theoretical biology 2002-02, Vol.214 (3), p.405-412 |
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| container_title | Journal of theoretical biology |
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| creator | MONTOYA, JOSE M. SOLÉ, RICARD V. |
| description | The analysis of some species-rich, well-defined food webs shows that they display the so-called small world behavior shared by a number of disparate complex systems. The three systems analysed (Ythan estuary web, Silwood web and the Little Rock lake web) have different levels of taxonomic resolution, but all of them involve high clustering and short path lengths (near two degrees of separation) between species. Additionally, the distribution of connections P (k) which is skewed in all the webs analysed shows long tails indicative of power-law scaling. These features suggest that communities might be self-organized in a non-random fashion that might have important consequences in their resistance to perturbations (such as species removal). The consequences for ecological theory are outlined. |
| doi_str_mv | 10.1006/jtbi.2001.2460 |
| format | Article |
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| ispartof | Journal of theoretical biology, 2002-02, Vol.214 (3), p.405-412 |
| issn | 0022-5193 1095-8541 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_71451934 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animals Behavior, Animal Brackish Ecosystem Food Chain Freshwater Marine Models, Biological |
| title | Small World Patterns in Food Webs |
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