![]() ![]() In addition, the spatio-temporal properties of the trajectories are visualized by means of a density plot on a geographic map and a calendar view. Statistics of stopover sites and links between them are shown on a zoomable geographic map which allows to interactively explore directed sequences of stopovers from an origin to a destination. It identifies and aggregates stopovers depending on a scale at which the data is visualized. Our approach enables ecologists to explore the spatio-temporal characteristics of such tracks interactively. Migration is an important and intriguing process in animal ecology, which may be better understood through the study of tracks for individuals in their environmental context. We present a visual analytics approach to explore and analyze movement data as collected by ecologists interested in understanding migration.
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