Hare and lynx census data graph

An example figure from the Predator–Prey Cycles generator.

Graph of yearly census counts of hares (blue dots joined by a solid line) and lynx (red open squares joined by a dashed line), in thousands, over 40 years, rising and falling in four uneven cycles — Census counts of snowshoe hares (blue dots) and Canada lynx (red squares), in thousands, taken once a year for 40 years and joined by lines, solid for hares and dashed for lynx. Each count is off by about 10%, the way a real census is, so the peaks come out uneven, but the lynx still peak after the hares in every cycle.

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Answer key

Period: a cycle every 10 years
Lag: the lynx peak 1.6 years after the hares

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