526 



Fishery Bulletin 105(4) 



warm in the north, cool in the south. Calif. Coop. Fish. 



Invest. Rep. 47:30-74. 

 Rice, D. W. 



1974. Whales and whale research in the eastern North 



Pacific. In The whale problem: a status report (W. E. 



Schevill, ed.). p. 170-195. Harvard Press, Cambridge, 



MA. 

 Rugh, D. J., R. C. Hobbs, J. A. Lerczak, and J. M. Breiwick. 



2005. Estimates of abundance of the eastern North 



Pacific stock of gray whales 1997 to 2002. J. Cetacean 



Res. Manage. 7(1):1-12. 

 Simmonds, M. P., and L. F. Lopez-Jurado. 



1991. Whales and the military. Nature 51:448. 

 Skaug, H. J., N. 0ien, T. Schweder, and G. Bethun. 



2004. Abundance of minke whales (Balaenoptera acuto- 

 rostrata) in the Northeast Atlantic: variability in time 

 and space. Can. J. Fish. Aquat. Sci. 61:870-886. 

 Stern, J. S. 



1992. Surfacing rates and surfacing patterns of minke 

 whales (Balaenoptera aeutorostrata) off central Cali- 



fornia, and the probability of a whale surfacing within 

 visual range. Reports of the International Whaling 

 Commission 42:379-385. 



Trites, A. W., V. Christensen, and D. Pauly. 



1997. Competition between fisheries and marine mam- 

 mals for prey and primary production in the Pacific 

 Ocean. J. Northwest Atl. Fish. Sci. 22:173-187. 



Turnock, B. J., and T. J. Quinn, II. 



1991. The effect of responsive movement on abundance 

 estimation using line transect sampling. Biometrics 

 47: 701-715. 



Von Saunder, A., and J. Barlow. 



1999. A report of the Oregon, California and Washington 

 Line-transect Experiment (ORCAWALE) conducted in 

 west coast waters during summer/fall 1996. NOAA 

 Tech. Memo. NMFS-SWFSC-264, 40 p. 



Whitehead, H. 



2002. Estimates of the current global population size 

 and historical trajectory for sperm whales. Mar. Ecol. 

 Prog. Ser. 242:295-304. 



