Median (minimum-maximum) distances (km) between reference locations and interpolated locations for the six interpolation algorithms and for each species
. | Interpolation method . | . | . | . | . | . | . | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Species . | Linear . | Bézier μ=0.1 . | Bézier μ=0.2 . | Bézier μ=0.3 . | Hermite . | Cubic . | N . | |||||
Geolocation-like Argos tracks | ||||||||||||
Albatrosses | ||||||||||||
P. immutabilis | 60.8 | 60.1 | 59.1 | 58.8 | 59.6 | 61.8 | 1147 | |||||
0.7-354.9 | 0.5-351.3 | 0.3-350.6 | 0.1-353.7 | 0.3-352.8 | 0.1-352.0 | |||||||
P. nigripes | 65.4 | 62.0 | 59.0 | 56.5 | 56.9 | 56.4 | 513 | |||||
0.8-243.9 | 1.3-240.0 | 1.3-236.4 | 1.3-233.5 | 0.8-231.9 | 2.0-256.9 | |||||||
Penguins | ||||||||||||
A. patagonicus | 6.6 | 6.6 | 6.5 | 6.5 | 6.6 | 6.1 | 434 | |||||
0.1-22.0 | 0.1-22.3 | 0.1-22.5 | 0.1-22.7 | 0.1-22.5 | 0.2-22.2 | |||||||
E. chrysolophus | 5.0 | 5.0 | 4.9 | 4.8 | 4.9 | 5.3 | 143 | |||||
0.7-60 | 0.7-60.1 | 0.4-60.1 | 0.2-60.1 | 0.9-60.1 | 0.2-60.2 | |||||||
Otariids | ||||||||||||
Z. californianus | 4.8 | 4.8 | 5.1 | 5.1 | 4.8 | 5.0 | 851 | |||||
0-63.1 | 0-63.6 | 0-64.1 | 0-64.5 | 0-62.9 | 0.1-62.3 | |||||||
N. cinerea | - | - | - | - | - | - | - | |||||
A. gazella | 10.4 | 9.8 | 9.4 | 9.2 | 9.4 | 9.2 | 251 | |||||
0.3-51.3 | 0.6-51.2 | 0.8-51.0 | 0.7-50.9 | 0.5-50.6 | 0.4-49.4 | |||||||
Phocids | ||||||||||||
M. angustirostris males | 7.1 | 7.3 | 7.4 | 7.6 | 7.3 | 7.6 | 272 | |||||
0.3-64.5 | 0.4-65.4 | 0.1-66.3 | 0.2-67.2 | 0.4-69.5 | 0.4-68.7 | |||||||
M. angustirostris females | 8.1 | 8.2 | 8.2 | 8.2 | 8.1 | 8.3 | 1320 | |||||
0.2-78.6 | 0.3-78.6 | 0.3-78.6 | 0.3-78.6 | 0.2-78.6 | 0.3-78.6 | |||||||
Argos tracks | ||||||||||||
Albatrosses | ||||||||||||
P. immutabilis | 12.3 | 12.5 | 12.3 | 12.6 | 12.7 | 12.8 | 124 | |||||
1.0-64.0 | 1.0-66.7 | 1.0-69.3 | 1.0-71.8 | 1.0-67.1 | 0.2-67.5 | |||||||
P. nigripes | 11.5 | 10.8 | 11.4 | 11.7 | 10.6 | 10.6 | 56 | |||||
1.6-58.7 | 0.8-53.7 | 0.6-48.5 | 0.7-43.7 | 0.5-58.2 | 1.0-57.8 | |||||||
Penguins | ||||||||||||
A. patagonicus | 1.9 | 1.8 | 1.9 | 1.9 | 1.9 | 2.1 | 48 | |||||
0.3-10.7 | 0.1-10.8 | 0.2-10.8 | 0.3-10.9 | 0.2-10.7 | 0.3-10.9 | |||||||
E. chrysolophus | 3.2 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 32 | |||||
0.7-19.1 | 0.3-20.7 | 0.3-22.9 | 0.6-25.3 | 0.4-19.0 | 0.2-19.0 | |||||||
Otariids | ||||||||||||
Z. californianus | 1.5 | 1.5 | 1.5 | 1.5 | 1.6 | 1.5 | 77 | |||||
0.1-28.5 | 0.1-28.4 | 0.1-28.3 | 0.1-28.1 | 0.1-28.2 | 0.1-28.1 | |||||||
N. cinerea | 7.0 | 6.9 | 6.9 | 6.8 | 7.0 | 7.0 | 27 | |||||
0.1-50.1 | 0.2-50.4 | 0.3-50.7 | 0.5-51.0 | 0.6-50.1 | 1.2-50.8 | |||||||
A. gazella | 1.9 | 2.0 | 2.0 | 2.1 | 1.9 | 2.0 | 33 | |||||
0.4-4.5 | 0.4-4.8 | 0.4-5.1 | 0.4-5.3 | 0.3-4.8 | 0.3-4.8 | |||||||
Phocids | ||||||||||||
M. angustirostris males | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 6.8 | 51 | |||||
1.2-160.4 | 0.9-161 | 0.4-160.8 | 0.5-160.6 | 0.6-160.9 | 1.1-160.6 | |||||||
M. angustirostris females | 7.0 | 6.6 | 6.5 | 6.6 | 7.1 | 7.0 | 79 | |||||
0.7-48.0 | 0.7-48.5 | 0.7-49.1 | 0.7-49.7 | 0.8-50.0 | 0.8-50.4 | |||||||
Argos-like GPS track | ||||||||||||
S. sula | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1.4 | 60 | |||||
0.004-22.2 | 0.002-21.5 | 0.001-20.9 | 0.001-20.9 | 0.002-22.2 | 0.001-20.9 | |||||||
T. melanophrys | 2.2 | 2.1 | 2.0 | 1.9 | 2.2 | 2.2 | 60 | |||||
0.001-21.8 | 0.001-21.8 | 0.001-21.8 | 0.001-20.9 | 0.001-21.8 | 0.001-21.8 |
. | Interpolation method . | . | . | . | . | . | . | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Species . | Linear . | Bézier μ=0.1 . | Bézier μ=0.2 . | Bézier μ=0.3 . | Hermite . | Cubic . | N . | |||||
Geolocation-like Argos tracks | ||||||||||||
Albatrosses | ||||||||||||
P. immutabilis | 60.8 | 60.1 | 59.1 | 58.8 | 59.6 | 61.8 | 1147 | |||||
0.7-354.9 | 0.5-351.3 | 0.3-350.6 | 0.1-353.7 | 0.3-352.8 | 0.1-352.0 | |||||||
P. nigripes | 65.4 | 62.0 | 59.0 | 56.5 | 56.9 | 56.4 | 513 | |||||
0.8-243.9 | 1.3-240.0 | 1.3-236.4 | 1.3-233.5 | 0.8-231.9 | 2.0-256.9 | |||||||
Penguins | ||||||||||||
A. patagonicus | 6.6 | 6.6 | 6.5 | 6.5 | 6.6 | 6.1 | 434 | |||||
0.1-22.0 | 0.1-22.3 | 0.1-22.5 | 0.1-22.7 | 0.1-22.5 | 0.2-22.2 | |||||||
E. chrysolophus | 5.0 | 5.0 | 4.9 | 4.8 | 4.9 | 5.3 | 143 | |||||
0.7-60 | 0.7-60.1 | 0.4-60.1 | 0.2-60.1 | 0.9-60.1 | 0.2-60.2 | |||||||
Otariids | ||||||||||||
Z. californianus | 4.8 | 4.8 | 5.1 | 5.1 | 4.8 | 5.0 | 851 | |||||
0-63.1 | 0-63.6 | 0-64.1 | 0-64.5 | 0-62.9 | 0.1-62.3 | |||||||
N. cinerea | - | - | - | - | - | - | - | |||||
A. gazella | 10.4 | 9.8 | 9.4 | 9.2 | 9.4 | 9.2 | 251 | |||||
0.3-51.3 | 0.6-51.2 | 0.8-51.0 | 0.7-50.9 | 0.5-50.6 | 0.4-49.4 | |||||||
Phocids | ||||||||||||
M. angustirostris males | 7.1 | 7.3 | 7.4 | 7.6 | 7.3 | 7.6 | 272 | |||||
0.3-64.5 | 0.4-65.4 | 0.1-66.3 | 0.2-67.2 | 0.4-69.5 | 0.4-68.7 | |||||||
M. angustirostris females | 8.1 | 8.2 | 8.2 | 8.2 | 8.1 | 8.3 | 1320 | |||||
0.2-78.6 | 0.3-78.6 | 0.3-78.6 | 0.3-78.6 | 0.2-78.6 | 0.3-78.6 | |||||||
Argos tracks | ||||||||||||
Albatrosses | ||||||||||||
P. immutabilis | 12.3 | 12.5 | 12.3 | 12.6 | 12.7 | 12.8 | 124 | |||||
1.0-64.0 | 1.0-66.7 | 1.0-69.3 | 1.0-71.8 | 1.0-67.1 | 0.2-67.5 | |||||||
P. nigripes | 11.5 | 10.8 | 11.4 | 11.7 | 10.6 | 10.6 | 56 | |||||
1.6-58.7 | 0.8-53.7 | 0.6-48.5 | 0.7-43.7 | 0.5-58.2 | 1.0-57.8 | |||||||
Penguins | ||||||||||||
A. patagonicus | 1.9 | 1.8 | 1.9 | 1.9 | 1.9 | 2.1 | 48 | |||||
0.3-10.7 | 0.1-10.8 | 0.2-10.8 | 0.3-10.9 | 0.2-10.7 | 0.3-10.9 | |||||||
E. chrysolophus | 3.2 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 32 | |||||
0.7-19.1 | 0.3-20.7 | 0.3-22.9 | 0.6-25.3 | 0.4-19.0 | 0.2-19.0 | |||||||
Otariids | ||||||||||||
Z. californianus | 1.5 | 1.5 | 1.5 | 1.5 | 1.6 | 1.5 | 77 | |||||
0.1-28.5 | 0.1-28.4 | 0.1-28.3 | 0.1-28.1 | 0.1-28.2 | 0.1-28.1 | |||||||
N. cinerea | 7.0 | 6.9 | 6.9 | 6.8 | 7.0 | 7.0 | 27 | |||||
0.1-50.1 | 0.2-50.4 | 0.3-50.7 | 0.5-51.0 | 0.6-50.1 | 1.2-50.8 | |||||||
A. gazella | 1.9 | 2.0 | 2.0 | 2.1 | 1.9 | 2.0 | 33 | |||||
0.4-4.5 | 0.4-4.8 | 0.4-5.1 | 0.4-5.3 | 0.3-4.8 | 0.3-4.8 | |||||||
Phocids | ||||||||||||
M. angustirostris males | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 6.8 | 51 | |||||
1.2-160.4 | 0.9-161 | 0.4-160.8 | 0.5-160.6 | 0.6-160.9 | 1.1-160.6 | |||||||
M. angustirostris females | 7.0 | 6.6 | 6.5 | 6.6 | 7.1 | 7.0 | 79 | |||||
0.7-48.0 | 0.7-48.5 | 0.7-49.1 | 0.7-49.7 | 0.8-50.0 | 0.8-50.4 | |||||||
Argos-like GPS track | ||||||||||||
S. sula | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1.4 | 60 | |||||
0.004-22.2 | 0.002-21.5 | 0.001-20.9 | 0.001-20.9 | 0.002-22.2 | 0.001-20.9 | |||||||
T. melanophrys | 2.2 | 2.1 | 2.0 | 1.9 | 2.2 | 2.2 | 60 | |||||
0.001-21.8 | 0.001-21.8 | 0.001-21.8 | 0.001-20.9 | 0.001-21.8 | 0.001-21.8 |