KILLER WHALES AND MARINE MAMMAL TRENDS IN THE NORTH PACIFIC—A RE‐EXAMINATION OF EVIDENCE FOR SEQUENTIAL MEGAFAUNA COLLAPSE AND THE PREY‐SWITCHING HYPOTHESIS

作者：Paul R. Wade; Vladimir N. Burkanov; Marilyn E. Dahlheim; Nancy A. Friday; Lowell W. Fritz; Thomas R. Loughlin; Sally A. Mizroch; Marcia M. Muto; Dale W. Rice; Lance G. Barrett‐Lennard; Nancy A. Black; Alexander M. Burdin; John Calambokidis; Sal Cerchio; John K. B. Ford; Jeff K. Jacobsen; Craig O. Ma...

来源：Marine Mammal Science, 2007, 23(4): 766-802.

DOI：10.1111/j.1748-7692.2006.00093.x

• North Pacific
• killer whale
• Steller sea lion
• sea otter
• harbor seal
• fur seal
• ecosystem
• predation
• whaling
• population dynamics

Abstract(#br)Springer . (2003) contend that sequential declines occurred in North Pacific populations of harbor and fur seals, Steller sea lions, and sea otters. They hypothesize that these were due to increased predation by killer whales, when industrial whaling's removal of large whales as a suppo...