U.S. Department 
of Commerce 
Seattle, Washington 
Volume 107 
Number 2 
April 2009 
Fishery 
Bulletin 
Contents 
Articles 
Companion articles 
109-132 Powell, Eric N., John M. Klinck, Kathryn A. Ashton-Alcox, 
and John N. Kraeuter 
Multiple stable reference points in oyster populations: 
biological relationships for the eastern oyster (Crassostreo 
virgimco) in Delaware Bay 
133-147 Powell, Eric N., John M. Klinck, Kathryn A. Ashton-Alcox, 
and John N. Kraeuter 
Multiple stable reference points in oyster populations: 
implications for reference point-based management 
148-164 
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, 165 — 174 
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 1/3—103 
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. 
186-194 
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. 
Witthames, Peter R., Anders Thorsen, Hilario Murua, 
Francisco Saborido-Rey, Lorraine N. Greenwood, 
Rosario Dominguez, Maria Korta, and Olav S. Kjesbu 
Advances in methods for determining fecundity: 
application of the new methods to some marine fishes 
MacAvoy, Stephen E., Greg C. Garman, and Stephen A. Macko 
Anadromous fish as marine nutrient vectors 
Cartwright, Rachael L. 
Description of early life history stages of the northern sculpin 
( Icelinus borealis Gilbert) (Teleostei:Cottidae) 
Ehrhardt, Nelson M., and Vallierre K. W. Deleveaux 
Management of fishing capacity in a spiny lobster 
(Panulirus argus) fishery: analysis of trap performance 
under the Florida spiny lobster Trap Certificate Program 
