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Table 1 Average sizes of PPVs for departure and return trips and for bird trajectories sampled at different temporal sampling resolutions

From: Potential path volume (PPV): a geometric estimator for space use in 3D

Resolution

No. of birds

Trip type

Average PPV (km3)

St Dev (km3)

5 min

18

Departure

7000

1732

Return

8324

2361

10 min

34

Departure

82,151

19,538

Return

50,592

14,932

30 min

16

Departure

93,955

27,688

Return

333,131

94,857