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The Effect of Animal Movement on Line Transect Estimates of Abundance

Fig 4

Frequency of detections at each perpendicular distance from the line.

Estimated histogram of recorded distances averaged over 1000 simulations for line transect sampling (hazard-rate b = 2) with linear animal movement at animal speeds 0% (black solid), 20% (red dashed) 80%(green dotted) and 150% (purple dotdash)

Fig 4

doi: https://doi.org/10.1371/journal.pone.0121333.g004