Search results
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Assessment of the status of the Champsocephalus gunnari stock in the South Georgia area for the 1990/91 season and TAC calculations for the 1991/92 season
Abstract: An adaptive approach was used to assess the Champsocephalus. gunnari stock in Area 48.3 ... . Values of catch/effort by age group and by year of fishing were used in conjunction with abundance ... indices from trawl surveys in tuning the VPA. The C. gunnari stock at the start of the 1990/91 season is ... estimated at 184 thousand tonnes. Calculation of TAC was carded out keeping in mind the change to the ...
Meeting Document : WG-FSA-91/27 : Author(s): P.S. Gasiukov (USSR)
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The value of marine resources harvested in the CCAMLR Convention Area – an assessment of GVP
Abstract: In 2015, the Commission identified eleven tasks (Tasks i to xi) for ongoing ... ). In early 2016, noting specific direction from the Commission regarding additional consideration of ... results of work undertaken during 2016 in relation to this task. SCAF is invited to review this report ... . It is also invited to provide advice and recommendations in relation to any future work that might be ...
Meeting Document : CCAMLR-XXXV/10 : Author(s): CCAMLR Secretariat
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Squalus acanthias – a new species in the Antarctic ichthyofauna (Division 58.5.1)
Abstract: Four species of shark have been known to date to occur in the sub-Antarctic waters ... was captured in February 1995 on the shelf of the Kerguelen Islands from the depth of about 195 m and ... duly described. Squalus acanthias is believed to be one of the most widespread shark species in the ... World Ocean. The fact of capturing this species in the Kerguelen waters enlarges by far its range and ...
Meeting Document : WG-FSA-96/14 : Author(s): Pshenichnov, L.K.
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Recent increase and southern expansion of Adelie penguin populations in the Ross Sea, Antarctica, related to climatic warming
Abstract: The numbers of Adelie penguins Pygoscelis adeliae (Hombron and Jacquinot) in the Ross ... pronounced in McMurdo Sound, where the species’ breeding range has recently been extended 3 km south to Cape ... climatic variation in the McMurdo Sound region. We suggest that the dynamics of Adelie penguin populations ... may be very sensitive indicators of changes in the Antarctic climate. Published in: New Zealand ...
Meeting Document : WG-CEMP-92/22 : Author(s): R.H. Taylor and P.R. Wilson (New Zealand)
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Growth and maturation of Euphausia superba Dana in northern areas of its distribution range (with reference to South Georgia and Bouvet Island areas)
maturation rates as well as the average minimal sizes of E.superba are appreciably higher in the former than ... in the latter area. This is attributed to milder climatic conditions and better food supply in the ... South Georgia area as compared to Bouvet Island. The differences in the growth and maturation rates of ... maturation in both areas begins earlier and stops later than during the colder epoch. Two spawning peaks are ...
Meeting Document : SC-CAMLR-VIII/BG/22 : Author(s): Delegation of USSR
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Commercial fishing in the Ross Sea
Abstract: COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... . The New Zealand Seafood Industry Council, representing NZ toothfish operators in COLTO, have prepared ... operations in the Ross Sea region. The information sheet provides basic data on Antarctic Toothfish ... currently exist in the Ross Sea. It also highlights some of the findings of Ross Sea independent research ...
Meeting Document : CCAMLR-XXXI/BG/35 : Author(s): Submitted by COLTO
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Quantifying the impacts of ice on demersal longlining in CCAMLR Subarea 88.1 with updated information on the 2014/15 season
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... high latitudes but not widely understood in detail other than by fishers and specialists in Antarctic ... was presented in WG-FSA-14/55 to quantify the level of impact that ice conditions have on fishing by ... for fishing ranking overall as the third worst in the sixteen-year series. We recommend that the ...
Meeting Document : WG-FSA-15/35 : Author(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Diagnostic plots for the assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19
Abstract: We provide diagnostic plots for the 2019 base case model for Antarctic toothfish in the ... Ross Sea region presented in Dunn (2019a), following the recommendations of WG-SAM-2015 (SC-CAMLR-XXXIV ... 2015 Annex 5). The stock assessment is described in Dunn (2019a) and a detailed description of the ... stock area, stock assessment methods and the stock assessment parameters are given in Dunn & Parker ...
Meeting Document : WG-FSA-2019/10 : Author(s): A. Dunn
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DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
a preliminary development version of this model to Antarctic toothfish in the Ross Sea as an age and ... -based population age structure in a spatially explicit manner. The model is parameterised by both ... . Comparisons with expected output from CASAL and movement processes coded in S+/R were essentially identical ... , and estimates of example parameters for models implemented in both CASAL and SPM gave essentially ...
Meeting Document : WG-SAM-08/14 : Author(s): A. Dunn and S. Rasmussen (New Zealand)
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Comparison of Champsocephalus gunnari catches in Subarea 48.3 from1994–97 and 2013 cruises
Abstract: The local densities of Champsocephalus gunnari observed in the 2013 survey are ... compared with those observed in 1994-1997. A significant increase in densities across 24 sites previously ... in the early 1990’s was due to recruitment collapse, probably a consequence of overfishing. Author(s ... ): E. Marschoff and P. Martínez (Argentina) Title: Comparison of Champsocephalus gunnari catches in ...
Meeting Document : WG-FSA-13/65 : Author(s): E. Marschoff and P. Martínez (Argentina)