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1. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

   using CASAL and demonstrates that all of the data available for assessments, including surveys, fishery ... catch-at-length data, standardised catch-per-unit-effort (CPUE) series for trawl grounds, and length ... is consistent with the problems discussed of the potential bias of a single-area model in trying to ... included in the assessment of D. eleginoides in Division 58.5.2 until the spatial structure of the mark ...

   Meeting Document : WG-FSA-06/64 : Auteur(s): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)

2. Contrasting population changes in sympatric penguin species in association with climate warming

   population changes between species at different study sites complicate the understanding of causal processes ... demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... . Here, we show that at the South Orkney Islands where the three species breed sympatrically, the less ... population decreases in the three penguin species. With the loss of sea ice, Adélie penguins were less ...

   Meeting Document : WG-EMM-06/P3 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)

3. PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN

   at the borders of current geographic distributions, where penguins operate at the limits of their ... , oceanography and critical habitats. For example, in the southwest Atlantic, the distributional range of the ice ... -Southern Oscillation and the Southern Annular Mode are the main modes of climate variability that drive ... accordingly, complicating our understanding of their future population processes. Penguins have long life ...

   Meeting Document : WG-EMM-09/P09 : Auteur(s): J. Forcada and P.N. Trathan

4. An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)

   : 0.63-0.81), and survey q was estimated at 0.32 (95% CI: 0.23-0.47). Using this model, a catch limit of ... eleginoides) at the Heard and the McDonald Islands (Division 58.5.2) with data until mid August 2014. This ... best available estimates of model parameters, the use of abundance estimates from a random stratified ... composition data to aid with the estimation of year class strength and selectivity functions of sub-fisheries ...

   Meeting Document : WG-FSA-14/34 : Auteur(s): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)

5. Biomass/CCAMLR krill review

   between them, precludes the implementation of a realistic multi-species management approach at present ... Abstract:  Current knowledge of the ecology, biology and life history of the Antarctic krill ... of various national and international research programmes loosely co-ordinated under the auspices of ... BIOMASS (Biological Investigations of Marine Antarctic Systems and Stocks). Attention is focused on topics ...

   Meeting Document : SC-CAMLR-VII/BG/39 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)

6. Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2

   changes within research blocks. Length at 50% maturity was estimated for the two most common species of ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... of Dissostichus spp.) in Divisions 58.4.1 and 58.4.2. 98% of the biomass was represented by 2 ... everywhere. The ratio by-catch to target catch was higher in the eastern part of Division 58.4.1. The ratio ...

   Meeting Document : WG-FSA-18/28 : Auteur(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel

7. REVISION DES PRESCRIPTIONS TECHNIQUES ENCADRANT LA PECHE A LA LEGINE AFIN DE LIMITER LES PRISES ACCESSOIRES

   account. The present document aims at informing the participants about the content of these technical ... technical recommendations are given below. At the end of the 2011-2012 fishery campaign, the results ... Abstract:  The Patagonian toothfish fishery in the EEZ of Kerguelen (division 58-5-1) and Crozet ... (subarea 58-6) is under the management of the competent French authority, the French Southern and Antarctic ...

   Meeting Document : SC-CAMLR-XXX/BG/10 : Auteur(s): Delegation of France

8. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13

   using simple Petersen and 54 tonnes using CPUE comparison at 5 % of exploitation rate. From these ... of three segments of Trot line system and Spanish line system respectively, will be conducted at 14 ... 2011/12 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ...

   Meeting Document : WG-SAM-12/17 : Auteur(s): Delegation of Japan

9. Phase-randomisation in an integrated assessment model for Antarctic krill

   in seven sequential stages (the "phases") in a series of at least 20 replicate trials for ... Abstract:  An integrated model was configured to estimate eighteen different subsets of 119 total ... parameters in alternative configurations of a model assessing the status and productivity of Antarctic krill ... configuration at pre-specified values. The model was fitted to survey and fisheries data for krill in Subarea ...

   Meeting Document : WG-SAM-17/31 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss

10. Rapport de la première réunion du Groupe d'action du SCAR sur le krill (SKAG, pour SCAR Krill Action Group), le 16 juillet 2018, au British Antarctic Survey, à Cambridge, au Royaume-Uni

    July 2018 at British Antarctic Survey following the WG-EMM. The meeting was attended by the members of ... Abstract:  At last year’s meeting the Scientific Committee requested that SCAR consider the ... establishment of a krill expert group to bring together those scientists working on krill and to have a linkage ... to CCAMLR. Prof. Dr. Bettina Meyer (Germany), on behalf of the Scientific Committee, was tasked to ...

    Meeting Document : SC-CAMLR-XXXVII/23 : Auteur(s): B. Meyer

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