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Prey populati<strong>on</strong> cyclicity<br />

Cyclicity = amplitude and frequency of cycles<br />

• Increases with latitude and snow cover.<br />

• Decreases with generalist <strong>predator</strong>s<br />

• Increases with specialist <strong>predator</strong>s<br />

• Prey food source reliability related to <strong>prey</strong><br />

cyclicity (e.g. acorn crops cycle)

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