Résultats de la recherche

1. Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18

   Protected Area, most of fishing effort was carried out in the historically fished areas. There was a small ... amount of effort in the northern area of SSRU 88.2A, which was opened to the exploratory fishery with the ... the SRZ and the area inside the General Protection Zone of the Ross Sea region MPA was taken in the ... distributions showed no trend over time in the shelf, slope or northern areas. Patterns in the age frequency of ...

   Meeting Document : WG-FSA-18/46 : Auteur(s): S. Mormede and S. Parker

2. Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector

   length of fish from the Antarctic area increased while drifting eastward in the Antarctic circumpolar ... analysed were at age 2 to the west of 35°W and 3 yr old specimens, the portion of which made up to 40% in ... catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ... fish at age 1+ (to 75%) being noted in separate catches. Essential distinctions in a nature of the ...

   Meeting Document : WG-FSA-90/21 : Auteur(s): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)

3. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. with special reference to the information on spawning dynamics in Division 58.4.3a

   results in other regions in the Southern Indian Ocean. The stock seems to be self-sustainable because of ... the existence of fish with advanced gonadal indices in the slope area and recruitment of small sized ... fish mainly in the shallow area, although the stock has a possibility of metapopulation throughout the ... / fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ...

   Meeting Document : WG-FSA-15/19 : Auteur(s): Delegation of Japan

4. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover

   decline in trammel net catches of fjord fishes of the species Notothenia rossii and Gobionotothen ... . rossii catches from 1991 to 2006, the actual levels are half of those found in the early 1980s, while ... abundance of N. rossii showed an increase in years 2002-2003, whereas G. gibberifrons was absent in the ... likely explanation for the decrease in recruitment to the inshore sub-populations of N. rossii and G ...

   Meeting Document : WG-FSA-06/25 : Auteur(s): E.R. Barrera-Oro and E.R. Marschoff (Argentina)

5. Integrated analysis of the by-catch data in the Ross Sea toothfish fishery

   hooks) and normalized target catch ratio. There was evidence of distinct differences in the mean (and ... Abstract:  The indices of exploratory toothfish fishery in the Ross Sea for the period of 2008 ...   the flag States,  should  be considered  as the primary cause of the observed variability in the ... target catch  ratio in the Ross Sea. The observed influence of the longline gear types  (Autoline ...

   Meeting Document : WG-FSA-16/13 Rev. 1 : Auteur(s): S. Kasatkina

6. Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2012–13

   Abstract:  We provide an update of the descriptive analyses of the toothfish tagging programme in ... tagging rate of one toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed that ... 88.2H- north, and 1 from 88.2F- slope). The total number of recaptures in 2012 was lower than in 2010 ... and 2011, but the total number of recaptures in 2013 was very similar 2010 and 2011 and about double ...

   Meeting Document : WG-FSA-13/49 : Auteur(s): S. Parker, A. Dunn, S. Mormede and S. Hanchet (New Zealand)

7. Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05

   decline in 2004 or the increase in 2005. Lack of a balanced experimental design and possibly the choice of ... ) since 1997 in CCAMLR Subareas 88.1 and 88.2. Previously, standardised analysis of toothfish CPUE (catch ... per hook) have been carried out in 2004 calculated CPUE indices for the 1997–98 to 2003–04 fishing ... years in Subarea 88.1 and 88.2. This report revises and updates the previous analysis with the addition ...

   Meeting Document : WG-FSA-05/32 : Auteur(s): A. Dunn and N.L. Phillips (New Zealand)

8. Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4

   Abstract:  A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ... spp. in the South than previously anticipated. In addition there are signs of significant stock ...

   Meeting Document : WG-FSA-10/40 : Auteur(s): J. Roberts and D. Agnew (UK)

9. Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19

   the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ... in the north, becoming gradually more male. The number of fish recaptured in 2019 was greater than in ... a result of more tagged fish in the population and greater concentration of fishing effort on ... Abstract:  This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ...

   Meeting Document : WG-FSA-2019/07 : Auteur(s): J. Devine, S. Parker and A. Dunn

10. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

    Abstract:  Variability in the reproductive performance of marine predators may be a result of ... . This study examined variation in the foraging behavior of lactating Antarctic fur seals (Arctocephalus ... gazella) over 15 years at the island of South Georgia in relation to major indices of southern hemisphere ... little effect of a krill recruitment index upon the fur seal foraging index, either alone or when in ...

    Meeting Document : WS-AREA 48-98/16 : Auteur(s): I.L. Boyd (UK)

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