Why nestedness in mutualistic networks?

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We investigate the relationship between the nested organization of mutualistic systems and their robustness against the extinction of species. We establish that a nested pattern of contacts is the best possible one as far as robustness is concerned, but only when the least linked species have the gr...

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Detalles Bibliográficos
Autores principales: Burgos, E., Ceva, H., Perazzo, R.P.J., Devoto, M., Medan, D., Zimmermann, M., María Delbue, A.
Formato: JOUR
Materias:
Extinction
Mutualistic system
Nestedness
Network
Plant-pollinator
Robustness
extinction
mutualism
nestedness
plant
pollinator
article
ecology
mathematical analysis
measurement
nonhuman
pollination
priority journal
probability
quantitative analysis
species extinction
Animals
Cooperative Behavior
Ecosystem
Extinction, Biological
Group Processes
Models, Biological
Species Specificity
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00225193_v249_n2_p307_Burgos
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:We investigate the relationship between the nested organization of mutualistic systems and their robustness against the extinction of species. We establish that a nested pattern of contacts is the best possible one as far as robustness is concerned, but only when the least linked species have the greater probability of becoming extinct. We introduce a coefficient that provides a quantitative measure of the robustness of a mutualistic system. © 2007 Elsevier Ltd. All rights reserved.

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