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Tracking individual honeybees among wildflower clusters with computer vision-facilitated pollinator monitoring

Fig 9

Data analysis of honeybees foraging in Scaevola (N = 47) and Lamb’s-ear (N = 90).

(a) Honeybee trajectories, (b) Location heat-maps, and (c) Visibility duration for Scaevola and Lamb’s-ear. Honeybee (d) Speed distribution, (e) turn-angle distribution in Scaevola. In (b) the heat-map scale shows the aggregate of durations honeybees spent in a region. Bin size of the heat-map is the average area covered by a honeybee in pixels. In (c) recorded time is divided into durations the honeybee spends on the flower carpet (visible), under the carpet (occluded), and un-estimated, based on the output of the occlusion identification algorithm. The red dashed line shows the mean foraging time of honeybees within the field of view of the camera.

Fig 9

doi: https://doi.org/10.1371/journal.pone.0239504.g009