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The Effect of Animal Movement on Line Transect Estimates of Abundance

Fig 2

Percentage bias in the abundance estimate for strip and line transects.

Bias for strip transect sampling (solid line) calculated from the analytic expression given and for line transects (hazard-rate b = 2) by averaging over 1000 simulations for linear movement (dashed line) and home range movement (dotted line)

Fig 2

doi: https://doi.org/10.1371/journal.pone.0121333.g002