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1. A review of tag-based stock assessments of the Antarctic toothfish Dissostichus mawsoni in Subarea 48.4

   Abstract:  The stock abundance of Antarctic toothfish in Subarea 48.4 is estimated using tag based ... specifically developed to reduce estimation bias in populations with low recaptures, a feature typical of the ... data available for this species in 48.4. During a review of assessment methodology two main issues have ... review of assessment data and methods in order to discuss and address the issues. Author(s):  N. Walker ...

   Meeting Document : WG-FSA-15/44 : Auteur(s): N. Walker, M. Soeffker, V. Laptikhovsky and T. Earl (United Kingdom)

2. Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

   Abstract:  The stock of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated from ... tagging returns to be 982 tonnes in 2018. Applying the CCAMLR agreed precautionary assumption of average ... , unchanged from the 2017/18 catch limit. Historically, a precautionary approach has been applied in treating ... catches in Subarea 48.4, and the surrounding regions, the Antarctic toothfish around the southern South ...

   Meeting Document : WG-FSA-18/26 : Auteur(s): T. Earl and A. Riley

3. A methodological proposal to monitor changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax atriceps

   Abstract:  A proposal to monitor changes in coastal fish populations is presented in this document ... . The methodology considered is based in the analysis of regurgitated pellets of the blue-eyed shag ... changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax ...

   Meeting Document : WG-EMM-95/84 : Auteur(s): Barrera-Oro, E., Casaux, R.

4. Development of foraging behaviour and evidence of extended parental care in the gentoo penguin (Pygoscelis papua)

   approximately 2500 breeding pairs of gentoo penguins in Admiralty Bay, King George Island, South Shetland ... with extended parental provisioning, behaviours not observed in other Pygoscelis species. Chicks took ... adult foraging trips in both timing and duration. Behavioural observations confirmed that many chicks ... in the late afternoon to evening hours. We hypothesize that these behaviours not only provide the ...

   Meeting Document : WG-EMM-06/8 : Auteur(s): M. Polito and W.Z. Trivelpiece (USA)

5. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   toothfish (Dissostichus mawsoni) are subject to an increasingly important commercial fishery in the Ross Sea ... -line fishery in the Ross Sea were superimposed on the habitat map and broken into discrete spatial ... areas. Differences in age distributions between these areas were found using ANOVA. These distributions ... and older fish were located on the continental slope. In addition, the older and most mature ...

   Meeting Document : WG-FSA-08/18 : Auteur(s): C.M. Brooks and J.R. Ashford (USA)

6. Fish identification guide for Observers in CCAMLR krill fisheries

   field guide designed to assist in improving the quality of observer by-catch data collected in the ... family specific keys for species found in the Southern Ocean. Members are invited to provide information ... Observers in CCAMLR krill fisheries Approval:  Approved ...

   Meeting Document : WG-EMM-13/07 : Auteur(s): Secretariat

7. Upward adjustments to local catch limits for the krill fishery in Subarea 48.1

   adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ... the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13).  We propose upward ... krill fishery in Subarea 48.1 (see Watters et al. 2016).  Our proposal to make upward adjustments is ... the stoplight is “green” and there has been a concomitant increase in local krill biomass. We ...

   Meeting Document : WG-EMM-16/47 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

8. Evidence of Vulnerable Marine Ecosystems documented via submarine in the Antarctic Sound and Gerlache Strait (Subarea 48.1)

   Abstract:  In order to adequately achieve CCAMLR’s conservation objectives and preserve the ... the benthic communities of this region that are characteristically mosaic in their distributions. As ... in CCAMLR’s Report of the Workshop on Vulnerable Marine Ecosystems (E-SC-XXVIII-A10, 2009) and as ... recognized by WG-EMM in previous years. Herein, evidence appropriate to the diverse characteristics of the ...

   Meeting Document : WG-EMM-18/35 : Auteur(s): S. Lockhart and J. Hocevar

9. A feedback management strategy for the krill fishery in Subarea 48.1

   Abstract:  We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... fishery in Subarea 48.1.  This strategy is a combination of two strategies that were separately proposed ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM.  A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ...

   Meeting Document : WG-EMM-16/48 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss

10. Absence of haematozoa in breeding macaroni Eudyptes chrysolophus and rockhopper E. chrysocome penguins at Marion Island

    Abstract:  Haematozoan infections cause the death of penguins in captivity, but seldom in the wild ... . No haematozoa were found in 89 blood smears taken from macaroni penguins Eudyptes chrysolophus or 80 ... (South Africa) Title:  Absence of haematozoa in breeding macaroni Eudyptes chrysolophus and rockhopper E ...

    Meeting Document : WG-EMM-03/19 : Auteur(s): A. Schultz and S.L. Petersen (South Africa)

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