U.S. Department 
of Commerce 
Seattle, Washington 
Volume 106 
Number 1 
January 2008 
Fishery 
Bulletin 
Contents 
Articles 
1-11 Rooper, Christopher N. 
An ecological analysis of rockfish ( Sebastes spp.) assemblages 
in the North Pacific Ocean along broad-scale environmental 
gradients 
12-23 Brooks, Elizabeth N., Kyle W. Shertzer, Todd Gedamke, 
and Douglas S. Vaughan 
Stock assessment of protogynous fish: evaluating measures of 
spawning biomass used to estimate biological reference points 
24-39 Stevenson, Duane E., James W. Orr, Gerald R. Hoff, 
and John D. McEachran 
Emerging patterns of species richness, diversity, population 
density, and distribution in the skates (Rajidae) of Alaska 
40-46 
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 47—57 
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 58—71 
directly or indirectly the advertised 
product to be used or purchased 
because of this NMFS publication. 
Stiansen, Stian, Anders Ferno, Dag Furevik, Terje Jorgensen, 
and Svein Lokkeborg 
Efficiency and catch dynamics of collapsible square and conical 
crab pots used in the red king crab ( Paralithodes comtschaticus) 
fishery 
Latour, Robert J., James Gartland, Christopher F. Bonzek, 
and RaeMarie A. Johnson 
The trophic dynamics of summer flounder ( Paralichthys dentatus) 
in Chesapeake Bay 
Haddon, Malcolm, Craig Mundy, and David Tarbath 
Using an inverse-logistic model to describe growth increments of 
blacklip abalone (Ha Hot is rubra ) in Tasmania 
