Total search effort (km) in each year in favourable conditions (Beaufort sea state ≤4, swell height ≤2 m, visibility >5 km), and the number of associated Sightings (S) and Individual (I) recorded of each cetacean species.
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Total search effort (km) in each year in favourable conditions (Beaufort sea state ≤4, swell height ≤2 m, visibility >5 km), and the number of associated Sightings (S) and Individual (I) recorded of each cetacean species.
创建时间：
2020-12-23
