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1. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   programmed in R, based on alternative ordinary differential equations (ODE) for within-year population ... of the properties of these two models for estimation of M used simulation. In application to the data ... were obtained using proportions-at-length and fishery and year specific age length keys (ALKs) for ... the model was or was not conditioned on the total numbers caught in each year. Author(s):  S. Candy, D ...

   Meeting Document : WG-FSA-10/41 : Автор(ы): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)

2. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   obtained using proportions-at-length and fishery- and year-specific age–length keys (ALKs) for years 1998 ... in R, based on alternative ordinary differential equations (ODE) for within-year population dynamics ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... used for the Antarctic toothfish was also 0.13 y–1, where this value was based on an analysis of ... along with two methods of applying an effective sample size. The estimation for these ver- sions of the ... 10 15 20 25 2008 Observ ed Fitted Age (years) (a) Age (yrs) P ro po rti on s 0.0 0.1 0.2 ... fishery- and year-specific age–length keys (ALKs) for years 1998 to 2008. A large proportion of the ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Автор(ы): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

3. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Division 58.4.2

   Description / Abstract:  Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in ... ) in each year are provided. Note: length-frequency distributions are only presented for those years ... (from 1 December 2014 to 30 November 2015). Fishery Report 2017: Exploratory fishery for ... (Macrourus spp.). In 2003, the fishery for Dissostichus spp. in Division 58.4.2 changed to an exploratory ... . eleginoides) caught counting towards the catch limit for D. mawsoni. 2. The current limits on the ...

   Document : Site Section: Publications

4. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   ) and fall on the line for two and three year old krill. If validated, the technique should allow the ... Abstract:  We outline a method for the direct determination of age in Antarctic krill (Euphausia ... endocuticle layer of the eyestalks and gastric mill in decapod crustaceans. Here we report on a preliminary ... Antarctic Division and examined using the methods outlined in (Kilada et al. 2012). Two analyses are ...

   Meeting Document : WG-EMM-15/45 : Автор(ы): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

5. Ecosystem modelling for the Antarctic krill fishery

   the Antarctic ecosystem. This species serves as prey for many organisms in the ecosystem and has also ... been the target of an small industrial fishery since the mid 1970s. New quotas have recently been set ... but there is concern that the reduction in krill biomass due tome fishery may have impacts on other ... krill predators such as penguins, seals and whales. In order to evaluate the effects of krill fishing on ...

   Meeting Document : WG-EMM-01/65 : Автор(ы): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

6. Are penguins and seals in competition for Antarctic krill at South Georgia?

   1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... consumers of Antarctic krill. In recent years the population of fur seals has increased whereas that of ... macaroni penguins has declined. Both species feed on krill of similar size ranges, dive to similar depths ... greater competition for the prey of macaroni penguins leading to the decline in their population. We use a ...

   Meeting Document : WG-EMM-01/22 : Автор(ы): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)

7. Development of methods relevant to feedback management (FBM) for the krill fishery

   Abstract:  The primary objective for this project is to develop knowledge on the marine ... environment essential for the implementation of a Feed-Back Management (FBM) system. In terms of FBM, Marine ... . Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... fisheries within Domain 1 are critical if the fishery is to be managed by an empirical understanding of ...

   Meeting Document : WG-EMM-18/08 : Автор(ы): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad

8. Draft MPA Report for the South Orkney Islands, Subarea 48.2; Part of CCAMLR MPA Planning Domain 1, Western Peninsula – South Scotia Arc

   plans and research and monitoring plans for CCAMLR MPAs. We develop a worked example of the management ... plan, research and monitoring plan and threats analysis for the South Orkney Islands southern shelf MPA ... which falls within CCAMLR MPA Planning Domain 1. We suggest that this CCAMLR MPA Report for the South ... Orkney Islands could form the basis for the MPA Report for CCAMLR MPA Planning Domain 1. We propose that ...

   Meeting Document : WG-EMM-13/10 : Автор(ы): P. Trathan and S. Grant (United Kingdom)

9. CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48

   reference observations for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ... agreeing the relative plausibilities (weights) for the different operating models. An outline of suggested ... -predator-fishery dynamics described in an accompanying paper is conditioned using the WG-SAM set of ...

   Meeting Document : WG-EMM-08/44 : Автор(ы): É.E. Plagányi and D.S. Butterworth (South Africa)

10. Комментарии и предложения к Плану исследований и мониторинга МОР в регионе моря Росса

    Document Release Consent:  No Delegation responsibility for releasing documents:  Russian Federation ...

    Meeting Document : SC-CAMLR-XXXVII/19 : Автор(ы): Делегация Российской Федерации

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