220 
Fishery Bulletin 112(2-3) 
Ohman, M. D., and E. L. Venrick. 
2003. CalCOFI in a changing ocean. Oceanography 
16:76-85. 
Perrin, W. F., M. D. Scott, G. J. Walker, and V. L. Cass. 
1985. Review of geographical stocks of tropical dolphins 
(Stenella spp. and Delphinus delphis ) in the eastern Pa- 
cific. NOAA Tech. Rep. NMFS 28, 28 p. 
Perrin, W. F., J. L. Thieleking, W. A. Walker, F. I. Archer, and 
K. M. Robertson. 
2011. Common bottlenose dolphins (Tursiops truncatus ) 
in California waters: cranial differentiation of coastal 
and offshore ecotypes. Mar. Mamm. Sci. 27:769-792. 
Peterson, W. T., R. Emmet, R. Goericke, E. Venrick, A. Manty- 
la, S. J. Bograd, F. B. Schwing, R. Hewitt, N. Lo, W. Watson, 
J. Barlow, M. Lowry, S. Ralston, K. A. Forney, B. E. La- 
vaniegos, W. J. Sydeman, D. Hyrenbach, R. W. Bradely, P. 
Worzybok, F. Chavez, K. Hunter, S. Benson, M. Weise, and 
J. Harvey. 
2006. The state of the California Current, 2005-2006: 
warm in the north, cool in the south. CalCOFI Rep. 
47:30-74. 
Reeves, R. R., B. S. Stewart, P. J. Clapham, and J. A. Powell. 
2002. Guide to marine mammals of the world, National 
Audibon Field Guide Series, 527 p. Alfred A. Knopf, 
New York. 
Reid, J. L., G. I. Roden, and J. G. Wyllie. 
1958. Studies of the California Current system. Contri- 
butions from the Scripps Institution of Oceanography, 
New Series No. 998. In Calif. Coop. Ocean. Fish. In- 
vest. Prog. Rep., 1 July 1956 to 1 January 1958, p. 28- 
56. [Available from http://www.calcofi.org/publications/ 
calcofireports/v06/CalCOFI_Rpt_Vol_06_ 1958. pdf.] 
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. 
Rosel, P. E., A. E. Dizon, and J. E. Heyning. 
1994. Genetic analysis of sympatric morphotypes of 
common dolphins (genus Delphinus). Mar. Biol. 
119:159-167. 
Shane, S. H. 
1994. Occurrence and habitat use of marine mam- 
mals at Santa Catalina Island, California from 1983- 
1991. Bull. South. Calif. Acad. Sci. 93:13-29. 
Smith, R. C., P. Dustan, D. Au, K. S. Baker, and E. A. Dunlap. 
1986. Distribution of cetacean and sea-surface chloro- 
phyll concentrations in the California Current. Mar. 
Biol. 91:385-402. 
Soldevilla, M. S., S. M. Wiggins, and J. A. Hildebrand. 
2010. Spatial and temporal patterns of Risso’s dolphin 
echolocation in the Southern California Bight. J. 
Acoust. Soc. Am. 127:124-132. 
Soldevilla, M. S., S. M. Wiggins, J. Calambokidis, A. Douglas, 
E. M. Oleson, and J. A. Hildebrand. 
2006. Marine mammal monitoring and habitat inves- 
tigations during CalCOFI surveys. CalCOFI Rep. 
47:79-91. 
Soldevilla, M. S., S. M. Wiggins, J. A. Hildebrand, E. M. Ole- 
son, and M. C. Ferguson. 
2011. Risso’s and Pacific white-sided dolphin habitat 
modeling from passive acoustic monitoring. Mar. Ecol. 
Prog. Ser. 423:247-260. 
Stacey, P. J., and R. W. Baird. 
1991. Status of the false killer whale, Pseudorca 
crassidens, in Canada. Can. Field-Nat. 105:189-197. 
Stafford, K. M., S. L. Nieukirk, and C. G. Fox. 
1999. An acoustic link between blue whales in the east- 
ern tropical Pacific and the northeast Pacific. Mar. 
Mamm. Sci. 15:1258-1268. 
Steiger, G. H., J. Calambokidis, R. Sears, K. C. Balcomb, and 
J. C. Cubbage. 
1991. Movement of humpback whales between Califor- 
nia and Costa Rica. Mar. Mamm. Sci. 7:306-310. 
Thomas, L., S. T. Buckland, E. A. Rexstad, J. L. Laake, S. 
Strindberg, S. L. Hedley, J. R. B. Bishop, T. A. Marques, and 
K. P. Burnham. 
2010. Distance software: design and analysis of distance 
sampling surveys for estimating population size. J. 
Appl. Ecol. 47:5-14. 
Thompson, S. A., W. J. Sydeman, J. A. Santora, B. A. Black, R. 
M. Suryan, J. Calambokidis, W. T. Peterson, and S. J. Bograd. 
2012. Linking predators to seasonality of upwelling: us- 
ing food web indicators and path analysis to infer tro- 
phic connections. Prog. Oceanogr. 101:106-120. 
Urban R., J., A. Jaramillo L., A. Aguayo L., P. Ladron de Gue- 
vara P, M. Salinas Z., C. Alvarez F., L. Medrano G., J. K. 
Jacobsen, K. C. Balcomb, D. E. Claridge, J. Calambokidis, 
G. H. Steiger, J. M. Straley, O. von Ziegesar, J. M. Waite, S. 
Mizroch, M. E. Dahlheim, J. D. Darling, and C. S. Baker. 
2000. Migratory destinations of humpback whales win- 
tering in the Mexican Pacific. J. Cetacean Res. Man- 
age. 2:101-110. 
Walker, W. A., S. Leatherwood, K. R. Goodrich, W. F. Perrin, 
and R. K. Stroud. 
1986. Geographical variation and biology of the Pacific 
white-sided dolphin, Lagenorhynchus obliquidens, in 
the north-eastern Pacific. In Research on dolphins (M. 
M. Bryden and R. Harrison, eds.), p. 441-465. Claren- 
don Press, Oxford, UK. 
Weilgart, L. S. 
2007. The impacts of anthropogenic ocean noise on ceta- 
ceans and implications for management. Can. J. Zool. 
85:1091-1116. 
Wyrtki, K. 
1964. Upwelling in the Costa Rica Dome. Fish. Bull. 
63:355-372. 
