The inshore, continental shelf waters of British Columbia (BC), Canada are busy with ship
traffic. South coast waters are heavily trafficked by ships using the ports of Vancouver and
Seattle. North coast waters are less busy, but expected to get busier based on proposals for
container port and liquefied natural gas development and expansion. Abundance estimates
and density surface maps are available for 10 commonly seen marine mammals, including
northern resident killer whales, fin whales, humpback whales, and other species with at-risk …

The following information is missing from the Acknowledgments section: We thank Patrick
O'Hara and his colleagues in the Oil-in-Canadian-Waters research group (Rosaline
Canessa, Ron Pelot and Norma Serra) for extensive analysis of vessel count, speed and
location data to facilitate our acoustic analyses. There are several errors in the References
section. References 3, 4, 28, 29, 30, 36, 37, 38, 39, and 55 are incorrect. The correct
references are as follows: