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  1. Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices

    nonetheless significant differences between vessels with respect to the tag detection index in the Ross Sea ... assessment for the Ross Sea region and Amundsen Sea region, with the understanding that additional work ... in the Ross Sea region stock assessment and in the Amundsen Sea region stock assessment. Author ... nonetheless significant differences between vessels with respect to the tag detection index in the Ross Sea ...

    Meeting Document : WG-SAM-14/30 : Author(s): S. Mormede (New Zealand)

  2. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

    of lactating female Antarctic fur seals, Arctocephalus gazella, foraging at sea was measured in two years using ... influx, mass-specific field metabolic rate (FMR), or absolute FMR. Mean at-sea FMR over both years ... years only 5% of their time at sea is spent resting. This contrasts with northern fur seals, Callorhinus ... ursinus, which typically spend 17% of their time at sea inactive. Apparently these northern seals can ...

    Meeting Document : SC-CAMLR-VIII/BG/13 : Author(s): Delegation of United Kingdom

  3. APPLICATION TO UNDERTAKE WINTER SCIENTIFIC RESEARCH IN CCAMLR SUBAREA 88.1 (SSRUS 88.1B, 88.1C AND 88.1G) IN THE 2008/09 SEASON

    cycle of D. mawsoni in the Ross Sea by collecting biological samples from a broad spread of locations ... across the northern Ross Sea during the austral winter. The survey is designed to collect information ... in the Ross Sea region. In addition, tag data collected will give additional information on the spawning ... of maturity, proportion mature that spawn, and contribute to an improved understanding of the Ross Sea ...

    Meeting Document : WG-FSA-08/62 : Author(s): Delegation of New Zealand

  4. Sources of variance in studies of krill population genetics

    from the Weddell Sea and South Georgia but revealed no differences between krill collected from ... principalmente por un fl ujo genético restringido entre las poblaciones de lugares distantes) sea incorrecta ... the Ross Sea, South Georgia or the Bellingshausen Sea. Genetic differentiation within krill species ... the Shackelton Ice Shelf in the Davis Sea (65º32’S 107º0’E) during December 1999. Each sample is the result ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Author(s): Jarman, S.N. and S. Nicol

  5. A BRIEF DESCRIPTION OF NEW ZEALAND SCIENTIFIC OBSERVER EFFORTS IN THE CCAMLR AREA

    sea days p.a. in three Subareas). The general training of observers through to post-voyage debriefing ... is noted, along with details of the at-sea work conducted. Data collected and data checking approaches ... data capture at sea and improvements to VME sampling. Author(s):  Bilton, D., Smith, N. Title:  A BRIEF ... . The nature and extent of observer deployments in the CCAMLR Area are briefly described (c. 500 sea days p.a ...

    Meeting Document : TASO-09/09 : Author(s): Bilton, D., Smith, N.

  6. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13

    the Ross Sea slope SSRUs were clear of ice and catches were evenly distributed across the three SSRUs ... Antarctic toothfish CPUE in the Ross Sea and Subarea 88.2 fisheries have fluctuated over the past 10 years ... with no trend. A standardised CPUE analysis in the Ross Sea fishery showed an increase to 2008 followed ... not be indexing abundance. Length frequency distributions of Antarctic toothfish in the Ross Sea fishery have ...

    Meeting Document : WG-FSA-13/48 : Author(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)

  7. A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88

    and larvae become entrained by the Ross Sea gyres, and may either move west settling out around the Balleny ... Islands and adjacent Antarctic continental shelf, south onto the Ross Sea shelf, or eastwards ... with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of the Ross Sea ... in Subarea 88.2. As the juveniles grow in size they move west back towards the Ross Sea shelf and then move ...

    Meeting Document : WG-FSA-07/35 : Author(s): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)

  8. Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2

    toothfish (Dissostichus mawsoni): 1) Antarctic toothfish eggs are buoyant and accumulate under sea ice ... . If true, this would retain eggs near the spawning locations under the vast sea ice extent and once broken ... be influenced by changes in sea ice or circulation patterns that affect observed recruitment patterns ... a scientific survey during the austral winter in the northern Ross Sea region to test these hypotheses ...

    Meeting Document : WG-SAM-18/09 : Author(s): Delegation of New Zealand

  9. Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2

    toothfish (Dissostichus mawsoni): 1) Antarctic toothfish eggs are buoyant and accumulate under sea ice ... . If true, this would retain eggs near the spawning locations under the vast sea ice extent and once broken ... be influenced by changes in sea ice or circulation patterns that affect observed recruitment patterns ... a scientific survey during the austral winter in the northern Ross Sea region to test these hypotheses ...

    Meeting Document : WG-FSA-18/40 : Author(s): Delegation of New Zealand

  10. Warming effects in the Western Antarctic Peninsula Ecosystem: the role of population dynamic models for explaining and predicting penguin trends

    Abstract:  The Western Antarctica Peninsula and Scotia Sea ecosystems appear to be driven ... to be influenced by the inter-annual variability in the sea-ice extent and krill biomass. In this paper we ... abundance and sea-ice cover. Our results using population theoretical based models appears to supports ... and Gentoo penguins appear to be better explained by the “sea-ice hypothesis”. We think that proper ...

    Meeting Document : WG-EMM-12/18 : Author(s): M. Lima and S.A. Estay (Chile)

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