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The following Technical Reports are available in PDF format.  For a viewer, please click here.  To order hardcopies of these documents, please contact the IPHC.

Technical Report No. 1 - Recruitment investigations: Trawl catch records Bering Sea, 1967. E.A. Best. 23 p. (1969). [777 K]

Technical Report No. 2 - Recruitment investigations: Trawl catch records Gulf of Alaska, 1967. E.A. Best. 32 p. (1969). [1.1 MB]

Technical Report No. 3 - Recruitment investigations: Trawl catch records Eastern Bering Sea, 1968 and 1969. E.A. Best. 24 p. (1969). [741 K]

Technical Report No. 4 - Relationship of halibut stocks in Bering Sea as indicated by age and size composition. William H. Hardman. 11 p. (1969). [308 K]

Technical Report No. 5 - Recruitment investigations: Trawl catch records Gulf of Alaska, 1968 and 1969. E.A. Best. 48 p. (1969). [1.6 MB]

Technical Report No. 6 - The Pacific halibut. F. Heward Bell and Gilbert St-Pierre. 24 p. (1970). [Out of print] [8.0 MB]

Technical Report No. 7 - Recruitment investigations: Trawl catch records Eastern Bering Sea, 1963, 1965,and 1966. E.A. Best. 52 p. (1970). [1.7 MB]

Technical Report No. 8 - The size, age and sex composition of North American setline catches of halibut (Hippoglossus stenolepis) in Bering Sea, 1964-1970. William H. Hardman. 31 p. (1970). [908 K]

Technical Report No. 9 - Laboratory observations on early development of the Pacific halibut. C.R. Forrester and D.G. Alderdice. 13 p. (1973). [3.3 MB]

Technical Report No. 10 - Otolith length and fish length of Pacific halibut. G. Morris Southward and William H. Hardman. 10 p. (1973). [273 K]

Technical Report No. 11 - Juvenile halibut in the eastern Bering Sea: Trawl surveys, 1970-1972. E.A. Best. 32 p. (1974). [979 K]

Technical Report No. 12 - Juvenile halibut in the Gulf of Alaska: Trawl surveys, 1970-1972. E.A. Best. 63 p. (1974). [1.9 MB]

Technical Report No. 13 - The sport fishery for halibut: Development, recognition and regulation. Bernard Einar Skud. 19 p. (1975). [2.4 MB]

Technical Report No. 14 - The Pacific halibut fishery: Catch, effort, and CPUE, 1929-1975. Richard J. Myhre, Gordon J. Peltonen, Gilbert St-Pierre, Bernard E. Skud, and Raymond E. Walden, 94 p. (1977). [3.1 MB]

Technical Report No. 15 - Regulations of the Pacific halibut fishery, 1924-1976. Bernard E. Skud. 47 p. (1977). [2.2 MB]

Technical Report No. 16 - The Pacific halibut: Biology, fishery, and management. International Pacific Halibut Commission. 56 p. (1978). [Out of print] [2.7 MB]

Technical Report No. 17 - Size, age, and frequency of male and female halibut: Setline research catches, 1925-1977. Stephen H. Hoag, Cyreis C. Schmitt, and William H. Hardman. 112 p. (1979). [3.3 MB]

Technical Report No. 18 - Halibut assessment data: Setline surveys in the north Pacific Ocean, 1963-1966 and 1976-1979. Stephen H. Hoag, Gregg H. Williams, Richard J. Myhre, and Ian R. McGregor. 42 p. (1980). [1.5 MB] 

Technical Report No. 19 - I. Reducing the incidental catch of prohibited species in the Bering Sea groundfish fishery through gear restrictions. Vidar G. Wespestad, Stephen H. Hoag, and Renold Narita. II. A comparison of Pacific halibut and Tanner crab catches (1) side-entry and top-entry crab pots and (2) side-entry crab pots with and without Tanner boards. Gregg H. Williams, Donald A. McCaughran, Stephen H. Hoag, and Timothy M. Koeneman. 35 p. (1982). [1.0 MB] 

Technical Report No. 20 - Juvenile halibut surveys, 1973-1980. E.A. Best and William H. Hardman. 38 p. (1982). [784 K] 

Technical Report No. 21 - Pacific halibut as predator and prey. E.A. Best and Gilbert St-Pierre. 27 p. (1986). [832 K] 

Technical Report No. 22 - The Pacific halibut: Biology, fishery, and management. International Pacific Halibut Commission. 59 p. (1987). [3.29 MB] 

Technical Report No. 23 - Incidental catch and mortality of Pacific halibut, 1962-1986. Gregg H. Williams, Cyreis C. Schmitt, Stephen H. Hoag, and Jerald D. Berger. 94 p. (1989). [3.4 MB] 

Technical Report No. 24 - Egg and yolk sac larval development of Pacific halibut (Hippoglossus stenolepis). G.A. McFarlane, J.O.T. Jensen, W.T. Andrews and E.P. Groot. 22 p. (1991). [3.4 MB] 

Technical Report No. 25 - Report of the Halibut Bycatch Work Group. S. Salveson, B.M. Leaman, L. L-L. Low, and J.C. Rice 29 p. (1992). [1.5 MB]

Technical Report No. 26 - The 1979 Protocol to the Convention and Related Legislation. Donald A. McCaughran and Stephen H. Hoag. 32 p. (1992). [1.1 MB]

Technical Report No. 27 - Regulations of the Pacific halibut fishery, 1977-1992. Stephen H. Hoag, Gordon J. Peltonen, and Lauri L. Sadorus. 50 p. (1993). [2.0 MB]

Technical Report No. 28 - The 1987 Bristol Bay survey and the Bristol Bay halibut fishery, 1990-1992. Heather L. Gilroy and Stephen H. Hoag. 18 p. (1993) [614 K]

Technical Report No. 29 - Estimating Sex of Pacific Halibut (Hippoglossus stenolepis) using Fourier shape analysis of otoliths. Joan E. Forsberg and Philip R. Neal. 20 p. (1993). [786 K] 

Technical Report No. 30 - A Bibliography on Atlantic halibut (Hippoglossus hippoglossus) and Pacific halibut (Hippoglossus stenolepis) culture, with abstracts. Robert R. Stickney and Damon Seawright. 36 p. (1993). [1.9 MB] 

Technical Report No. 31 - Movements of juvenile halibut in IPHC regulatory Areas 2 and 3. Ray Hilborn, John Skalski, Alejandro Anganuzzi, and Annette Hoffman. 44 p. (1995). [1.5 MB]

Technical Report No. 32 - Changes in Commercial Catch Sampling and Age Determination Procedures for Pacific Halibut, 1982 to 1993.  Heather L. Gilroy, Joan E. Forsberg, and William G. Clark. 44 p. (1995). [1.8 MB]

Technical Report No. 33 - Re-evaluation of the 32-inch commercial size limit. William G. Clark and Ana M. Parma. 34 p. (1995). [840 K]

Technical Report No. 34 - IPHC research and management of Pacific halibut in the Pribilof Islands through 1994. Lauri L. Sadorus and Gilbert St-Pierre. 35 p. (1995). [970 K]

Technical Report No. 35 - Evaluation of two methods to determine maturity of Pacific halibut. Cyreis C. Schmitt and Gilbert St-Pierre. 24 p. (1997). [1.4 MB]

Technical Report No. 36 - Bottom area estimates of habitat for Pacific halibut. Stephen H. Hoag, Gilbert St-Pierre, and Joan E. Forsberg. 28 p. (1997). [860 K]

Technical Report No. 37 - Estimates of halibut abundance from NMFS trawl surveys. William G. Clark, Gilbert St-Pierre, and Eric S. Brown. 52 p. (1997). [2.5 MB]

Technical Report No. 38 - Age dependent tag recovery analyses of Pacific halibut data. Kenneth H. Pollock, Heidi Chen, Cavell Brownie, and William L. Kendall. 32 p. (1998). [1.2 MB]

Technical Report No. 39 - Size-specific dynamics of Pacific halibut: A key to reduce bycatch in the groundfish fisheries. Sara A. Adlerstein and Robert J. Trumble. 94 p. (1998). [5.7 MB]

Technical Report No. 40 - The Pacific Halibut: Biology, Fishery, and Management (1998) [2.3 MB]

Technical Report No. 41 - Pacific halibut tag release programs and tag release and recovery data, 1925 through 1998. Stephen Kaimmer. 32 p. (2000) [4.6 MB]

Technical Report No. 42 - A review of IPHC catch sampling for age and size composition from 1935 through 1999, including estimates for the years 1963-1990. William G. Clark, Bernard A. Vienneau, Calvin L. Blood, and Joan E. Forsberg. 40 p. (2000) [1.1 MB]

Technical Report No. 43 - Diet of juvenile Pacific halibut, 1957-1961. Gilbert St-Pierre and Robert J. Trumble. 16 p. (2000) [376 K]

Technical Report No. 44 - Chalky halibut investigations, 1997-1999. Stephen M. Kaimmer. 24 p. (2000) [504 K]

Technical Report No. 45 - A study of the dynamics of a small fishing ground in British Columbia.  Tracee Geernaert and Robert J. Trumble.  20 p.  (2000) [470 K]

Technical Report No. 46 - Aging manual for Pacific halibut: procedures and methods used by the International Pacific Halibut Commission (IPHC).  Joan E. Forsberg.  56 p.  (2001).  Because of the graphically-intense nature of this document, we offer multiple versions of this publication.  The smallest (3.15 MB) has very low-quality, black and white images.  The next versions, although probably unrealistically large for download, are offered anyway.  They are a 19.7 MB file, with somewhat higher resolution b&w pictures, and a 27.2 MB file, which has high-resolution colour photos.  Individual high-resolution colour photos will be available for download soon.

Technical Report No. 47 - I. Age validation of Pacific Halibut.  II. Comparison of surface and break-and-burn otolith methods of ageing Pacific halibut.  Calvin L. Blood. 32 p. (2003) [4.0 MB]

Technical Report No. 48 - 1998 gear and bait experiments.  Stephen Kaimmer. 36 p. (2004) [977 K]

Technical Report No. 49 - Definition of IPHC statistical areas.  Thomas M. Kong, Heather L. Gilroy, and Richard C. Leickly. 72 p. (2004) [5.8 MB]

Technical Report No. 50 - Investigating the roles of temperature and exercise in the development of chalkiness in Pacific halibut. Robert J. Foy, Charles A. Crapo, and Donald E. Kramer. (2006) [352 KB]

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