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. Author manuscript; available in PMC: 2010 Sep 3.
Published in final edited form as: Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Aug 29;78(2 Pt 1):021913. doi: 10.1103/PhysRevE.78.021913

FIG. 15.

FIG. 15

(Color online) (a) Qualitative illustration of the phase shift in time of the oscillatory part of the prey variable Y(t) compared to that of the predator variable D(t). (b) Phase space trajectory of (D(t), Y(t)) when the peak in Y(t) lags behind the minimum in D(t).