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. 2009 May 4;106(20):8245–8250. doi: 10.1073/pnas.0811034106

Fig. 2.

Fig. 2.

Overlays of seabird positions on FSLE maps. (A and C) Backward integration in time for FLSE computation (d−1). (B and D) Forward integration in time (d−1). A and B, week of September, 24, 2003. C and D, week of October, 6, 2003. Circles represent seabird trajectories and triangles foraging patches. Each color represents the tag of a different bird (red, tag 8023; blue, tag 16255; green, tag 11377; magenta, tag 19827).