WG-FSA-89/01
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Draft Agenda
CCAMLR Secretariat
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WG-FSA-89/02
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Annotated Draft Agenda
CCAMLR Secretariat
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WG-FSA-89/03
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List of Documents
CCAMLR Secretariat
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WG-FSA-89/04
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List of Participants
CCAMLR Secretariat
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WG-FSA-89/05
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Analyses Carried Out During the 1988 Meeting of the Fish Stock Assessment Working Group
CCAMLR Secretariat
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WG-FSA-89/06
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Report of the Joint UK/Polish Fish Stock Assessment Survey Around South Georgia, February 1989
G.B. Parkes, I. Everson (United Kingdom), J. Sosinski, Z. Cielniaszek and J. Szlakowski (Poland)
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WG-FSA-89/07
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Proposed Maturity Scale for Icefish (Channichthyidae)
Z. Cielniaszek (Poland) and G.B. Parkes (United Kingdom)
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WG-FSA-89/09
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Supplementary Data on Exploited Stocks in Division 58.5.1 (Kerguelen)
Duhamel, G.
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WG-FSA-89/10
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Software for Fish Stock Assessment
CCAMLR Secretariat
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WG-FSA-89/11
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Summary of Length Composition Data Submitted Prior to 1988
CCAMLR Secretariat
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WG-FSA-89/12
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Availability of Catch and Biological Data
CCAMLR Secretariat
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WG-FSA-89/13
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A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg Using Scales and Otoliths
R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom)
Abstract:
Scales and otoliths were collected from 304 specimens of the Antarctic fish Notothenia gibberifrons. When interpreted separately, only 25% of scale and otolith readings agreed. When a scale and otolith from a single simultaneously, 75% of readings agreed. of otolith readings changed between specimen were interpreted 60% of scale readings and 30% separate and simultaneous interpretations. Read More
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Admin Admin (CCAMLR Secretariat)
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WG-FSA-89/14
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Trawl selectivity for Champsocephalus gunnari
Efanov, S.F., G.E. Bidenko and V.A. Boronin
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WG-FSA-89/15
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Hydrological Conditions and Peculiarities of Glassfish Distribution on the South Georgia Island Shelf in 1986 1987
Shnar, V.N. and V.I. Shlibanov
Abstract:
Some peculiarities of spatial and temporal variability of the glassfish distribution on the South Georgia Island shelf relative to environmental conditions have been revealed from summarizing and analysis of hydrographic and commercial fishery and biological data for 1986-1987.
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Admin Admin (CCAMLR Secretariat)
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Admin Admin (CCAMLR Secretariat)
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WG-FSA-89/16
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Growth and Age-length Structure of Grey Notothenia (Lepidonotothen squamifrons gunther) (Nototheniidae) Populations in Different areas of Indian Sector of Southern Ocean
Zaitsev, A.K.
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WG-FSA-89/17
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Natural mortality of Notothenia Squamifroms in various areas of the Indian Sector of Southern Ocean
Zaitsev, A.K.
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WG-FSA-89/18
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Growth and Natural Mortality of Yellowfin Notothenia Patagonotothen guntheri shagensis from Shag Rocks Shelf
Shlibanov, V.I.
Abstract:
Regularities of growth are established from the data of age determinations and analysis of yellowfin notothenia length-weight composition, mathematical description of length-weight dependence and parameters of Bertalanffy equation are given. Natural mortality coefficient, M, calculated by six various methods ranged from 0.63 to 1.06. With mean value of M, age and length at optimum exploitation Read More
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Admin Admin (CCAMLR Secretariat)
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WG-FSA-89/19
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Methods of Age Determination for Champsocephalus gunnari Lönnberg 1905 on the South Georgia Island Shelf
Frolkina, Zh.A.
Abstract:
Radii of annual elements were calculated on the basis of studying C. gunnari length frequency distribution simultaneously with the measuring of otolith radii of fish taken in July-September. This was done using specimens from strictly’ defined age groups. These radii measurements suggest an adjustment to age determination of fish longer than 30 cm with an enlarged otolith centre. An age-length Read More
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Admin Admin (CCAMLR Secretariat)
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Admin Admin (CCAMLR Secretariat)
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WG-FSA-89/20
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On Assessment of Bertalanffy Growth Equation Parameters and Instantaneous Natural Mortality Rate on South Georgia Icefish
Frolkina, Zh.A. and R.S. Dorovskikh
Abstract:
Analysis and summarizing extensive materials on size-weight and size-age composition of South Georgia icefish for 1965-1987 enabled producing reliable weight-length dependencies for males and females by season and specify Bertalanffy growth equation parameters. Mean value of natural mortality rate was estimated at 0.55.
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Admin Admin (CCAMLR Secretariat)
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WG-FSA-89/21
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1989/90 Stock Status and TAC Assessment for Patagonotothen brevicauda guntheri in South Georgia Subarea (48.3)
Shlibanov, V.I.
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WG-FSA-89/22 Rev. 1
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1989/90 Stock Status and TAC Assessment for Champsocephalus gunnari in South Georgia Subarea (48.3)
Frolkina, J. and P. Gasiukov
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WG-FSA-89/23
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Longline Data Recording Sheet
CCAMLR Secretariat
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WG-FSA-89/24
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Vacant
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WG-FSA-89/25
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Summary of Length Composition Data Applicable to 1987/88 (This is a copy of document WG-FSA-88/25)
CCAMLR Secretariat
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WG-FSA-89/26
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Summary of Length Composition Data Applicable to 1988/89
CCAMLR Secretariat
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WG-FSA-89/27
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Correction for Under-representation of 1 and 2 Year Old Champsocephalus gunnari in Bottom Trawl Surveys
Beddington, J. and M. Basson
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WG-FSA-89/8 Rev. 1
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The Status of the Champsocephalus gunnari Stock in the South Georgia Area
M. Basson, J. Beddington (United Kingdom) and W. Ślósarczyk (Poland)
Abstract:
This study focuses on the Chamsocephahus gunnari stock around South Georgia. The principle aims are, first, to assess current and past biomass and recruitment levels and, second, to analyse the relationship between the spawning stock and number of recruits. A conventional VPA and an ad hoc tuning method are used to estimate biomass levels and fishing mortality for the period 1971/72 to 1988/89 Read More
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