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anthropogenic threat
recovering populations
3
reporting bias
3
ship strikes
3
threatened species
3
vessel collisions
3
Biological Oceanography
2
Chemical Oceanography
2
Marine Biology
2
Marine Engineering
2
Marine Geoscience
2
Oceanography
2
Physical Oceanography
2
large whale conservation
2
underreporting
2
General. Including nature conservation
1
Q
1
QH1-199.5
1
Science
1
geographical distribution
1
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