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Possible Origin of Stagnation and Variability of Earth’s Biodiversity

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Stollmeier,  Frank
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;
Max Planck Research Group Network Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Geisel,  Theo
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Nagler,  Jan
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Stollmeier, F., Geisel, T., & Nagler, J. (2014). Possible Origin of Stagnation and Variability of Earth’s Biodiversity. Physical Review Letters, 112(22): 228101. doi:10.1103/PhysRevLett.112.228101.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0029-0F2F-C
Abstract
The magnitude and variability of Earth’s biodiversity have puzzled scientists ever since paleontologic fossil databases became available. We identify and study a model of interdependent species where both endogenous and exogenous impacts determine the nonstationary extinction dynamics. The framework provides an explanation for the qualitative difference of marine and continental biodiversity growth. In particular, the stagnation of marine biodiversity may result from a global transition from an imbalanced to a balanced state of the species dependency network. The predictions of our framework are in agreement with paleontologic databases.