Biology – Quantitative Biology – Populations and Evolution
Scientific paper
2007-09-04
Journal of Theoretical Biology 256: 65-75 (2008)
Biology
Quantitative Biology
Populations and Evolution
21 pages, 2 figures
Scientific paper
10.1016/j.jtbi.2008.09.011
Occupancy of new habitats through dispersion is a central process in nature. In particular, long range dispersal is involved in the spread of species and epidemics, although it has not been previously related with cancer invasion, a process that involves spread to new tissues. We show that the early spread of cancer cells is similar to the species individuals spread and that both processes are represented by a common spatio-temporal signature, characterized by a particular fractal geometry of the boundaries of patches generated, and a power law-scaled, disrupted patch size distribution. We show that both properties are a direct result of long-distance dispersal, and that they reflect homologous ecological processes of population self-organization. Our results are significant for processes involving long-range dispersal like biological invasions, epidemics and cancer metastasis.
Cannas Sergio A.
Cheng Samuel
Hu Beilai
Marco Emanuele Di
Montemurro Marcelo A.
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