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1. Draft Krill Fishery Report

   Abstract:  At WG-EMM 2013 the Working Group agreed that it would be useful to have a consolidated ... summary of information related to the krill fishery in a similar format to the fishery reports that are ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ...

   Meeting Document : WG-EMM-14/58 : Author(s): Secretariat

2. THE POWER OF ECOSYSTEM MONITORING

   power) to detect effects that trigger management action. 2. Using data from a long-term ecosystem ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ... % power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ...

   Meeting Document : WG-EMM-08/P11 : Author(s): K. Reid, J.P. Croxall and E.J. Murphy

3. Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4

   Abstract:  1. So far a total of 929 D. eleginoides have been tagged and released at Subarea 48.4 ... and 25 tagged fish have been recaptured, including 23 during the latest season. 2. A preliminary ... assessment of D. eleginoides stock size in the Northern Area of 48.4 estimates a vulnerable biomass of ... 48.4 in the 2008/09 fishing season so as to allow for a full assessment of D. eleginoides stock size in ...

   Meeting Document : WG-FSA-08/46 : Author(s): J. Roberts and D. J. Agnew (UK)

4. Potential climate change effects on the habitat of Antarctic krill

   resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ... used a statistical model linking Antarctic krill growth to temperature and chlorophyll concentration to ... sector into two zones: A band around the Antarctic Circumpolar Current in which habitat quality is ... particularly vulnerable to warming; and a southern area which is relatively insensitive. Our analysis suggests ...

   Meeting Document : WG-EMM-13/20 : Author(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)

5. Chiller killers – first steps towards identifying krill pathogens

   Abstract:  Antarctic Krill (Euphausia superba) is a ‘keystone species’ in the Southern Ocean ... remains a deficit area with little to nothing known about infection dynamics. Over the past century the ... waters of Antarctic krill northern distribution limit have experienced significant warming. In a changing ... across an altered geographic range. In this paper we present the initial findings from a histological ...

   Meeting Document : WG-EMM-15/23 : Author(s): K. Bateman, R. Hicks, G. Tarling, M. Soeffker and G. Stentiford (United Kingdom)

6. New Zealand submission for the trial of the CCAMLR observer training program accreditation scheme

   presented in SC-CAMLR-XXX/08, and invited Members to participate in a trial of the initial review and ... technical peer review. These are described in Parts a–c of the proposed procedure for a CCAMLR observer ... Scientific Observation (SISO), it is important that observers working in CCAMLR fisheries operate to a ... consistent set of standards. In an effort to achieve this, the Scientific Committee began development of a ...

   Meeting Document : WG-FSA-17/41 : Author(s): A. Dunn, D. Kerrigan and A. McNabb

7. Update on the Top Predator Alliance project, 2013–14 season: Killer whales

   reliance on toothfish as a critical prey item, have limited our ability to (a) assess the risk posed by the ... toothfish parts; no consumption of non-fish prey by TCKW was detected.  We also observed a large number of ... TCKW with small and presumably suckling calves.  Given that lactation represents a significant energy ... lactation.  A comparison of energy expenditure with energy densities of fish prey indicates that available ...

   Meeting Document : WG-EMM-14/52 : Author(s): R. Eisert, M.H. Pinkerton (New Zealand), L. Torres (USA), R.J.C. Currey, P.H. Ensor, E.N. Ovsyanikova, I.N. Visser (New Zealand) and O.T. Oftedal (USA)

8. UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   Ross Sea were identified to species. Sample sizes were small, but indicated a ratio of 10.75:1 of ... Amblyraja georgiana to B. cf. eatonii, which is consistent with a previous estimate based on a large sample ... length-weight regression relationships for male and female A. georgiana confirmed that male and female ... relationships differ significantly. Better estimates of median length at maturity were made possible through a ...

   Meeting Document : WG-FSA-08/20 : Author(s): M.P. Francis and S. Mormede (New Zealand)

9. Bias in acoustic biomass estimates of Euphausia superba Dana to diel vertical migration

   results of qualitative and quantitative hydroacoustic surveys which are conducted with a down-looking ... estimates of biomass distribution and abundance, a time-depth-density analysis was performed. Data for this ... covered a 105 by 105 n.mile study area centered on Elephant Island; the second and third surveys covered a ... 60 by 35 n.mile area immediately north of Elephant Island; the fifth survey covered a 1 n.mi.2 area ...

   Meeting Document : WG-KRILL-93/48 : Author(s): D.A. Demer and R.P. Hewitt (USA)

10. Bioregionalisation: some key questions and considerations

    Abstract:  Bioregionalisation is a process to classify data on a range of environmental ... , biological and ecological attributes, resulting in a spatial framework that can be used as a planning tool ... must address a range of technical questions relating to the development and use of appropriate methods ... relating to the context, focus and products of a bioregionalisation analysis. Author(s):  S. Grant, A ...

    Meeting Document : WS-BSO-07/11 : Author(s): S. Grant, A. Clarke, P.N. Trathan and H.J. Griffiths (UK)

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