cycle.jpg (19290 bytes)
Figure 1. Canadian lynx - snowshoe hare population dynamics. Click here to see lemur-hare predation!


StableCycle.gif (10172 bytes)
Figure 2. Predator-prey oscillations


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Figure 3. Alternative graph.


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Figure 4. Predator goes extinct followed by explosive prey growth (A), Prey goes extinct followed by predator (B)


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Figure 5. Stable Oscillation.


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Figure 6. Convergent oscillation.


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Figure 7 Divergent oscillation


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Figure 8. Simulation control panel.


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Figure 9. The relationship between the density vs. time and trajectory graphs.


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Figure 10. Example simulation


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Figure 11. Example simulation


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Figure 12. Example simulation


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Figure 13. Example simulation


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Figure 14. A very stable distribution


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Figure 15. A very stable oscillation (Max gens at 50)


Download the standalone version here
VISTA USERS READ THIS TO RUN THE PROGRAMS


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Figure 16. Results of laboratory predation experiment #1


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Figure 17. Results of laboratory predation experiment #2


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Figure 18. Paramecium with no barriers.


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Figure 19. Normal Paramecium and Didinium with barriers.


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Figure 20. Pawn Paramecium and Didinium with barriers.


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Figure 21. Results of laboratory predation experiment #3


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Figure 22. Two hundred years of Canadian Lynx populations.


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Figure 23. Patchyness (wpe94.jpg (906 bytes) = animals; wpe95.jpg (820 bytes) = food, good habitat)


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Figure 24. The clmate school of thought


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Figure 25. Factors affecting populations.