Do Strange Attractors Govern Ecological Systems?

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Abstract
One of the fundamental problems in ecology is understanding the ragged ups and downs in abundance that characterize many natural populations. Recent advances in nonlinear dynamics suggest that even the “noisiest” variation may have its origin in simple deterministic mechanisms. Here we review both the theory and the evidence and conclude that “strange” attractors, the chaotic counterparts to equilibria and limit cycles, may play an important role in ecological systems.