U.S. Department 
of Commerce 
Seattle, Washington 
Volume 110 
Number 4 
October 2012 
Fishery 
Bulletin 
Contents 
Articles 
379-396 Hanselman, Dana H., Paul D. Spencer, Denise R. McKelvey, 
and Michael H. Martin 
Application of an acoustic-trawl survey design to improve 
estimates of rockfish biomass 
397-412 Lefebvre, Lyndsey S., and Michael R. Denson 
Inshore spawning of cobia ( Rachycentron canadum ) 
in South Carolina 
The National Marine Fisheries 
Service (NMFS) does not approve, 
recommend, or endorse any proprie- 
tary product or proprietary material 
mentioned in this publication. No 
reference shall be made to NMFS, 
or to this publication furnished by 
NMFS, in any advertising or sales 
promotion which would indicate or 
imply that NMFS approves, recom- 
mends, or endorses any proprietary 
product or proprietary material 
mentioned herein, or which has 
as its purpose an intent to cause 
directly or indirectly the advertised 
product to be used or purchased 
because of this NMFS publication. 
The NMFS Scientific Publications 
Office is not responsible for the con- 
tents of the articles or for the stan- 
dard of English used in them. 
413-425 Fitzhugh, Gary R„ Kyle W. Shertzer, G. Todd Kellison, 
and David M. Wyanski 
Review of size- and age-dependence in batch spawning: implications 
for stock assessment of fish species exhibiting indeterminate fecundity 
426-450 Weitkamp, Laurie A., Paul J. Bentley, and Marisa N. C. Litz 
Seasonal and interannual variation in juvenile salmonids and associated 
fish assemblage in open waters of the lower Columbia River estuary 
451-457 Ogburn, Matthew B„ and Richard B. Forward Jr. 
Effect of sampling interval on estimates of larval supply 
458-469 Syc, Tara S., and Stephen T. Szedlmayer 
A comparison of size and age of red snapper ( Lutjanus campechanus ) 
with the age of artificial reefs in the northern Gulf of Mexico 
