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1. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   / Description:  Stock assessments rely on estimates of total mortality resulting from fishing activities ... counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... unaccounted fishing mortality from lost lines in these fisheries is provided. These estimates suggest that on ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ... data were then used to estimate hook loss for the entire area on an annual basis and sep- arately for ... integrity for many years. In this sense, marine debris from lost gear may be considered cumulative ... gear was used for this analysis. There is also an ‘other hooks lost’ field, which reports ‘hooks lost ... ’. Catch and effort data were extracted from the CCAMLR C2 database for the 2008–2011 fishing years. The ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker

2. Fishery Report 2013: Dissostichus eleginoides Heard Island (Division 58.5.2)

   , selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. 18 ... longline gear is able to catch older fish (>20 years) more efficiently than trawl gear. For trawl gear ... data available for inclusion on the assessment, including: (a) an analysis of the spatial and ... future SSB was below 20% of the pre-exploitation median spawning biomass in any one year, for each year ...

   Document : Site Section: Publications

3. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2017/18

   , at Signy Island, South Orkneys and at Goudier Island, Antarctic Peninsula for the period April 2017 ... to March 2018. Surveys of beached marine debris at Bird Island recorded a total of 371 items during ... austral winter (April to September 2017) and 111 items during summer (October 2017 to March 2018 ... 2017 to 31 March 2018). Twenty-seven items of beached marine debris were recorded at Goudier Island ...

   Meeting Document : SC-CAMLR-XXXVII/BG/21 : Autor(es): C. Waluda

4. WG-FSA-04

   -FSA-04/15 Note from the FAO Secretariat for the 25th COFI-Meeting; status report on the implementation ... season on the exploratory fishery for Dissostichus spp. in Statistical Subarea 48.6 in the 2004/05 season ... Zealand) WG-FSA-04/3 List of documents WG-FSA-04/30 Report on the identification of fish eggs and larvae ... (Dissostichus mawsoni) stock model for CCAMLR Subarea 88.1 for the years 1997/98 to 2003/04 A. Dunn, D.J ...

   Meeting

5. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... the benthos have fundamental implications, both for assessing biomass and for modelling the food web ... southwest (SW) Atlantic sector is a major scale of variability, driven by sea-ice and climate effects on ... . Growth in spring, summer and autumn is now fairly well quantified, but mortality remains an enigma. We ... ) method has been in use for 20 years but there have been various attempts to use other analytical ... first is the underside of sea-ice – an important habitat for krill year-round (Brierley et al., 2002 ... occurred year- round throughout Antarctica, and regularly with an estimated ~20% of the stock deeper than ... strong focus on new developments and the recent literature. Secondly, it provides an overview of the ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Autor(es): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

6. Cierre de la reunión de especialistas en asuntos antárticos celebrada en Hobart

   subject of much discussion. Members will continue to work intersessionally on proposals for these MPAs ... the Antarctic Treaty which will take place on 1 December. What is CCAMLR? The Commission for the ... for the Conservation of Antarctic Marine Living Resources (CCAMLR) in Hobart, Australia. Early in ... Committee subsequently reviewed the outcomes of that meeting, together with several other specialist working ...

   Page : Site Section: The Organisation

7. CCAMLR ecosystem monitoring and management: future work

   system, (ii) methods for assessing the status of the system, (iii) decision rules on how to adjust ... :  Harvesting of marine living resources in the Southern Ocean is managed by the Commission for the Conservation ... of Antarctic Marine Living Resources (CCAMLR). CCAMLR is widely known for its ecosystem approach to ... use scientific evidence in the decision-making process. Even though this approach was based on the ... Living Resources (CCAMLR) since 1982. Article IX of the Convention on the Conservation of Antarctic ... an ecosystem-based man- agement procedure is the primary task of the CCAMLR Working Group on ... . In conclusion, a work plan for the development of an ecosystem-based management procedure is ... estimates of parameters. For the purposes of developing an ecosystem- based management procedure, plausible ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Autor(es): Constable, A.J

8. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   uses an iterative Bayesian approach to infer the most probable krill density for each of the 32 000 0.5 ... Entropy (MaxEnt) reconstructions of krill distribution and estimates of mean krill density within two ... krill densities for each survey, for which the confidence limits are often narrower than those ... (MaxEnt) have been used successfully for many years in numerous branches of physical science to ... survey area, and provides an estimate of the standard deviation about the mean for each cell. The ... converge on a reconstruction that is most consistent with the observed data and for which the entropy is ... ur ve y bo x. M ap s sh ow in g al on g- tr an se ct k ri ll d en si ti es (l ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Autor(es): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

9. Chapter 4: Science

   to 9.6) 2018 Scar Krill Action Group (SKAG) update and support for 2019 SKAG meeting (SC-CAMLR-XXXVII ... , subarea and division for the management of other areas (ii) assess the risk of each fishery impacting on ... – Commission. (vi) Given the priority of the Scientific Committee for work on krill, a good example here is the ... Recommendation Responsible body Activities to date Status Recommendation 5: On the basis of ...

   Page : Site Section: The Organisation

10. WG-FSA-09

    documents Doc Number Title WG-FSA-09/01 Provisional Agenda for the Working Group on Fish Stock Assessment ... . Agnew (United Kingdom) WG-FSA-09/18 PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ... K.-H. Kock (Germany) WG-FSA-09/20 UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN ... . Pshenichnov (Ukraine) WG-FSA-09/30 DISTRIBUTION AND BIOLOGY ON ANTARCTIC KING CRAB PARALOMIS FORMOSA CAUGHT AS ...

    Meeting

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