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1. Model diagnostics for the Antarctic krill assessment for Subarea 48.1

   ; configuration of the krill model was presented to EMM in 2015 (Kinzey et al. 2015a) along with seven alternative ... integrated model. The purpose of this note is to use some of these methods to explore aspects of the ... influence of different data sources on the model estimates. The work described here augments the previous ... description of the base case and differently-weighted configurations with a table of likelihood components for ...

   Meeting Document : WG-FSA-15/60 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss (USA)

2. Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler

   questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... during FIBEX surveys. Since very little searching time is spent on layers, the utility of searching time ... data appears doubtful. Secondly, the utility of indices based on the sum of primary and secondary ... searching times (PST+SST) is also doubtful because SSTs are markedly dependent upon the type of products ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... -concentration searching times might improve the utility of the data. We commend his efforts in making the ... fishery are useful in estimating the change of within-concentration krill abundance even if searching ... not cover the fishing grounds of Japanese trawlers. This causes a major inconsistency in addition to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Autor(es): Ichii, T. and Y. Endo

3. CLIMATE CHANGE AND THE ANTARCTIC MARINE ENVIRONMENT: MANAGEMENT IMPLICATIONS

   greatest amount. All of the risks described in this paper probably vary with latitude and longitude, with ... Abstract:  This paper discusses some of the implications of climate change and how these concerns ... of work, it will be essential for them to try to determine the relative risks (uncertainty), impacts ... and timescales, of the various processes consequent on climate change. With current levels of ...

   Meeting Document : WG-EMM-09/24 : Autor(es): P.N. Trathan and D. Agnew (United Kingdom)

4. A proposal to trial a daily catch and effort reporting system in CCAMLR exploratory fisheries

   A proposal to trial a daily catch and effort reporting system in CCAMLR exploratory fisheries ...

   Meeting Document : CCAMLR-XXII/55 : Autor(es): Delegation of New Zealand

5. Developments, considerations and recommendations by the land-based predator survey group: a summary and up-date

   Abstract:  A summary of considerations and decisions made by the correspondence group on land ... -based predator abundance is provided for comment by the Working Group. In order to complete ... relevant spatial unit for estimation in Area 48 and the required precision for estimation in each unit. A ... workshop addressing survey design issues is proposed for 2006. Terms of reference for the workshop are ...

   Meeting Document : WG-EMM-05/24 : Autor(es): C. Southwell (Australia), P. Trathan (United Kingdom), W. Trivelpiece, M. Goebel (USA) and P. Wilson (New Zealand)

6. Marine Ecosystem Assessment for the Southern Ocean – Brief Report, June 2018

   assessment of the status and trends of habitats, species and food webs in different regions.  It aims to ... Abstract:  A Marine Ecosystem Assessment for the Southern Ocean (MEASO) is a quantitative ... decisions can be made.  It is intended to enable managers to achieve consensus in adapting their management ... strategies to ecosystem change, in order to continue to achieve their objectives for ecosystems. ​ This paper ...

   Meeting Document : WG-EMM-18/14 : Autor(es): A. Constable

7. Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data

   trawls for seasons where both fishing methods were used. Due to the small number of fish in the aged ... sample that were older than 20 years the general trend in the data of length with age did not exhibit ... (VP) of sampling lengths. A segmented linear trawl fishing selectivity function was used where the ... obvious asymptotic behaviour so we compare the fit of the VB model to a segmented linear model. We also ...

   Meeting Document : WG-FSA-05/64 Rev. 1 : Autor(es): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)

8. Follow up to the Joint CEP/SC-CAMLR Workshop on Climate Change and Monitoring

   and the planned SC-CAMLR Symposium. In this paper, ASOC highlights some actions for SC-CAMLR and the ... -related work to the CEP; o    including climate change in working group discussions; o    developing a ... Abstract:  The Joint CEP/SC-CAMLR Workshop on Climate Change and Monitoring was a timely and ... useful exercise that produced a number of recommendations with relevance to CCAMLR XXXV, SC-CAMLR XXXV ...

   Meeting Document : CCAMLR-XXXV/BG/24 : Autor(es): Submitted by ASOC

9. Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia

   . There was additionally some suggestion of agestructure in the natural mortality-at-age. Author(s):  R.M ... natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ... , while fishing mortality-at-age was estimated, only one value of the natural mortality was permitted, as ...

   Meeting Document : WG-FSA-SAM-06/06 : Autor(es): R.M. Hillary and D.J. Agnew (United Kingdom)

10. Report on the CCAMLR Marine Debris monitoring program: 2018 update

    , but it remains ubiquitous in the CCAMLR area. Due to the limited scope of submitted data, as well as ... predominantly packaging items and plastics. There is no evidence of an increase in debris at monitored sites ... the difficulty in identifying whether a debris item has originated from fishing or another human ... Abstract:  Data from South Africa, the United Kingdom, the United States and France were received ...

    Meeting Document : WG-FSA-18/18 : Autor(es): CCAMLR Secretariat

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