RECENT TECHNICAL MEMORANDUMS 



Copies of this and other NOAA Technical Memorandums are available from the National Technical 

 Information Sen/ice, 5285 Port Royal Road, Springfield, VA 22167. Paper copies vary in price. 

 Microfiche copies cost $4.50. Recent issues of NOAA Technical Memorandums from the NMFS 

 Southwest Fisheries Center are listed below: 



NOAA-TM-NMFS-SWFC- 131 Report of ecosystem studies conducted during the 1988 eastern 



tropical Pacific dolphin survey on the research vessel David Starr 

 Jordan. 



L.J. LIERHEIMER, P.C. FIEDLER, S.B. REILLY, R.L PITMAN. L.T. 

 BALLANCE, G.G. THOMAS and D.W. BEHRINGER 

 (June 1989) 



132 Report of ecosystem studies conducted during the 1988 eastern 

 tropical Pacific dolphin survey on the research vessel McArthur. 

 L.J. LIERHEIMER, P.C. FIEDLER, S.B. REILLY, R.L. PITMAN, L.T. 

 BALLANCE and D.W. BEHRINGER 



(June 1989) 



133 The 1987-88 demersal fish surveys off Central California (34°30'N 

 to 36°30'N) 



J.L. BUTLER, C.A. KIMBRELL, W.C. FLERX and R.D. METHOT 

 (July 1989) 



134 The First 25 Years. 

 LILLIAN L. VLYMEN 

 (September 1989) 



135 Censuses and interatoll movements of the Hawaiian nx)nk seal on 

 Laysan Island, 1985. 



B.L. BECKER, R.J. MORROW, and J.K. LEIALOHA 

 (September 1989) 



136 Summary of the 1987 U.S. tuna/porpoise observer data. 

 A.R, JACKSON 



(October 1989) 



137 Biomass-based models and harvesting policies for 

 Washington-Oregon-California rockfish stocks with correlated 

 recruitment patterns 



J.E. HIGHTOWER 

 (April 1990) 



138 Effects of including in mortality estimates, dolphins categorized as 

 either injured or of undetermined status. 



C.W. OLIVER and E.F. EDWARDS 

 (May 1990) 



139 Report of ecosystem studies conducted during the 1989 eastern tropical 

 Pacific dolphin survey on the research vessel David Starr Jordan. 

 LJ. LIERHEIMER, PC. FIEDLER, S.B. REILLY RL. PITMAN, L.T 

 BALLANCE, S.C. BEAVERS, G.G. THOMAS and D.W. BEHRINGER 

 (May 1990) 



140 Report of ecosystem studies conducted during the 1989 eastern 

 tropical Pacific dolphin survey on the research vessel McArttiur 

 L.J. LIERHEIMER, RC. FIEDLER, S.B. REILLY RL. PITMAN, 

 L.T BALLANCE, S.C. BEAVERS and D.W. BEHRINGER 

 (May 1990) 



