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Robust patterns in food web structure
Camacho Castro, Juan (Universitat Autònoma de Barcelona. Departament de Física)
Guimerà, Roger (Universitat Rovira i Virgili. Departament d'Enginyeria Química)
Nunes Amaral, Luís A. (Boston University. Department of Physics)
American Physical Society

Data: 2002
Resum: 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.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; publishedVersion
Publicat a: Physical review letters, Vol. 88, Issue 22 (May 2002) , p. 228102, ISSN 0031-9007

DOI: 10.1103/PhysRevLett.88.228102

4 p, 125.4 KB

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