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1. Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)

   Abstract:  Change-in-ratio and index-removal estimators are presented in a general form suitable ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ...

   Meeting Document : WS-CRAB-93/10 : Автор(ы): X. Xu, E.G. Dawe and J.M. Hoenig (USA)

2. The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns

   Paper Title:  The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... ), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the distribution of monthly fishing effort ... 0 0 0 0 0 0 0 91 7 1. 8 R T M S 92 86 30 4 39 6 20 6 20 2 11 6 89 ... distribution for several years at a time: the three major patterns in the distribution of fi shing effort ... leaving, vessels worked in Sub- area 48.2 and reported good fi shing conditions with up to 10–20 tonnes ... of krill taken in 1–2 hauls during the day and 10–20 tonnes in 3–4 hauls at night. In January 1983 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Автор(ы): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky

3. A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound

   mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ... through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... abundance of Antarctic toothfish. A pilot season was carried out in 2014, where sampling gear and ... methodology for a standardised hook and line survey were trialled in McMurdo Sound. Data collected will be ...

   Meeting Document : WG-FSA-15/33 : Автор(ы): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)

4. TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   observations, animal-mounted camera information, and observations from field scientists in the McMurdo Sound ... prey) will vary between different life history stages at different times of the year in different areas ... item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... evidence that Antarctic toothfish have lower densities near to seal breeding colonies in McMurdo Sound than ...

   Meeting Document : WG-EMM-08/43 : Автор(ы): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)

5. A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators

   Paper Title:  A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in ... Martialia hyadesi; will be attempted in the future. This squid is an important component of the diet of ... several species of albatross and the southern elephant seal and is probably taken in significant ... predators in the Scotia Sea is 326 098 to 330 642 tonnes, 94% of which is taken by southern elephant seals ... OF THE OMMASTREPHID SQUID MARTIALIA BY ADESI IN THE SCOTIA SEA BASED ON DATA FROM PREDATORS· P.G ... exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... seal and is probably taken in significant quantities by several other Southern Ocean vertebrate ... predators. Estimated annual consumption by known predators in the Scotia Sea is 326 098 to 330642 tonnes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Автор(ы): Rodhouse, P.G.

6. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.2

   Description / Abstract:  Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... to 30 November 2014). Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... to small-scale research unit (SSRU) E. Although a catch limit of 30 tonnes has been set in SSRU A ... these years is now quarantined, the following catch is not included in the reported catch table above ... fisheries has been a major focus of attention in CCAMLR in recent years after the acknowledgement that ...

   Document : Site Section: Publications

7. Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   raised by the 2001 CCAMLR bycatch subgroup, the processes for recording bycatch in this fishery were ... Abstract:  Little is known about the bycatch of skates, rays and macrourids in the target longline ... fishery for toothfish in the Ross Sea. Following concerns about the accuracy of reporting of bycatch ... macrourid bycatch in this fishery. The review of data suggest that the toothfish fishery has not yet had a ...

   Meeting Document : WG-FSA-02/40 : Автор(ы): R.G. Blackwell and S.M. Hanchet (New Zealand)

8. An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

   new fishery for Dissostichus eleginoides in Chilean waters Abstract / Description:  Traditional ... los 3 y 20 aiios y la moda estuvo en el grupo de edad 12. En general se aprecia que los machos son ... errors in cohort analysis. American Fisheries Society Symposium, 6: 49-65. ROBOTHAM, H., V. OJEDA Y W ... de la captura de Merluccius australis. En prensa. WESTRHEIM, S.J. and RICKER, W.E. 1978. Bias in ... 14378 1,63 12631 1,44 19 1796 0,20 1760 0,20 20 1058 0,12 1378 0,16 Total 880772 100,00 879866 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Автор(ы): Robotham, V. H. and Z. Young U.

9. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   Description / Abstract:  Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... each year are provided. Note: length-frequency distributions are only presented for those years in ... to 30 November 2014). Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... 50 tonnes for research fishing. q Some catch data in these years is now quarantined, the following ... these data-poor fisheries has been a major focus of attention in CCAMLR in recent years after the ...

   Document : Site Section: Publications

10. Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)

    Paper Title:  Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen) Abstract ... / Description:  The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... research cruises. The abundant 1985 cohort of  Champsocephalus gunnari appeared in the shelf stock and it ... than three years present over the Kerguelen Shelf was carried out in 1987 and 1988 (Duhamel, 1988 ... correspond to (be followed by) a doubling of the biomass of the stock in five years. The implementation of ... little less than three years. The growth in the biomass of the juvenile stock is noted and a deferred ... due to a change in fishing methods recorded in the past few years (selective use of semipelagic ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.

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