192 
Fishery Bulletin 108(2) 
drift gill net fishery, 1998-1999. Calif. Coop. Oceanic 
Fish. Invest. Rep. 42:145-152. 
2004. Diet differences in the thresher shark (Alopias 
vulpinus) during transition from a warm-water regime 
to a cool-water regime off California-Oregon, 1998- 
2000. Calif. Coop. Oceanic Fish. Invest. Rep. 45:118-125. 
Reiss, C. S., D. M. Checkley Jr., and S. J. Bograd. 
2008. Remotely sensed spawning habitat of Pacific sar- 
dine ( Sardinops sagax) and Northern anchovy ( Engru - 
aulis mordax) within the California Current. Fish. 
Oceanogr. 17:126-136 
Sinclair, M. 
1988. Marine populations: an essay on population regu- 
lation and speciation, 252 p. Univ. Washington Press, 
Seattle, WA. 
Smith, P. E. 
2005. A history of proposals for subpopulation struc- 
ture in Pacific sardine ( Sardinops sagax ) population 
off western North America. Calif. Coop. Oceanic Fish. 
Invest. Rep. 46:75-82. 
Smith, P. E., W. Flerx, and R. P. Hewitt. 
1985. The CalCOFI vertical egg tow (CalVET) net. In An 
egg production method for estimating spawning biomass 
of pelagic fish: application to the northern anchovy, 
Engraulis mordax, (R. Lasker, ed.), p. 27-32. NOAA 
Tech. Rep. NMFS 36. 
Stratoudakis, Y., M. Bernal, K. Ganias, and A. Uriarte. 
2006. The daily egg production method: recent advances, 
current applications and future challenges. Fish Fish. 
7:35-57. 
Tascheri, R. and G. Claramunt. 
1996. Aproximacion a los cambios intra-annuales en el 
contenido de energia del ovario de sardina ( Sardinops 
sagax Jenyns, 1842) en el norte de Chile. Invest. Mar. 
24:51-66. [In Spanish.] 
Wolf, P. 
1992. Recovery of the Pacific sardine and the Califor- 
nia sardine fishery. Calif. Coop. Oceanic Fish. Invest. 
Rep., vol. 33:76-86. 
