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Activity Patterns of Eurasian Lynx Are Modulated by Light Regime and Individual Traits over a Wide Latitudinal Range

Figure 2

Actograms of Eurasian lynx activity at the four study sites.

Activity was measured as forwards-backwards acceleration on a relative scale from 0 to 255. The x-axes indicate the hours of the day (from 0 to 24 UTC; coordinated universal time). The y-axes indicate the days of the year, with each horizontal line representing one day, from January 1 (top line) to December 31 (bottom line). Each coloured pixel corresponds to one mean activity value at one time interval of 5 min averaged over the number of lynx in the corresponding region, ranging from dark blue for little or no activity to red for high activity. Curved black lines from left to right indicate beginning of nautical twilight, sunrise, sunset, and end of nautical twilight.

Figure 2