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1. DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY

   17 areas off the northern Antarctic Peninsula and 11 areas off the South Orkney Islands (CCAMLR ... Subareas 48.1 and 48.2). These areas, which have been proposed for inclusion in the CCAMLR VME registry ... , were detected during the 2006 and 2009 U.S. Antarctic Marine Living Resources Program surveys. The VMEs ... ’ vs. ‘light’ VME indicator taxa with consequences on the proposed trigger, as well as the rationale ...

   Meeting Document : WG-EMM-09/32 : Автор(ы): S.J. Lockhart and C.D. Jones (USA)

2. Impacts of cetaceans on the structure of Southern Ocean food webs

   Abstract:  Here we present three scenarios that demonstrate how cetaceans may influence the ... structure and dynamics of the Southern Ocean food web. These should be considered in addition to several ... -predator removal are not a novel concept. While we acknowledge the correlative nature of our examples, we ... nonetheless contend that they indicate fruitful directions for current and future research in the Southern ...

   Meeting Document : WG-EMM-09/P04 : Автор(ы): D. Ainley, G. Ballard, L.K. Blight, S. Ackley, S.D. Emslie, A. Lescroël, S. Olmastroni, S.E. Townsend, C.T. Tynan, P. Wilson and E. Woehler

3. Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)

   localities of the South Shetland Islands (Low I. and Potter Cove, 25 De Mayo I./King George). Samples were ... from the difficulty to differentiate false from annual checks in scales. Age determination by otolith ... cross sections proved to be the most reliable method. Mean length data at age presented here for Low I ... . specimens were compared with previous published values. This confirmed that fishes from the Antarctic ...

   Meeting Document : WG-FSA-88/15 : Автор(ы): E. Barrera-Oro (Argentina)

4. Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014

   adjacent to Heard Island and the McDonald Islands (HIMI, CCAMLR Division 58.5.2) since 1998, with 27,679 ... toothfish tagged and released, and 4925 recaptures. The data derived from this program has been valuable in ... estimating key population parameters for toothfish in this region, and have been used in the 2014 stock ... ;  movement rates;  growth;  stock structure; and  estimation of q of the trawl surveys; However, due to the ...

   Meeting Document : WG-FSA-14/43 : Автор(ы): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)

5. Spatial and temporal patterns of sperm whale (Physeter macrocephalus) depredation on Australian longline vessels in the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands (CCAMLR Division 58.5.2)

   ) and orcas (Orcinus orca) has been reported in nearly all of the Patagonian toothfish (Dissostichus ... eleginoides) longline fisheries in the Southern Ocean (Moir Clark and Agnew 2010, Tixier et al 2010, Soeffker ... and Tixier 2015, Söffker et al. 2015). The first reports of odontocete depredation in the Division ... 58.5.2 fishery date from 2011, and incidences have been reported in every season thereafter. The majority ...

   Meeting Document : WG-FSA-15/53 : Автор(ы): D.C. Welsford and R. Arangio (Australia)

6. Progress report on the Korean research fishing by longline fishery for Dissostichus spp. in Subarea 88.3 in 2015/16

   2016 in 2015/16 fishing season. The total number of days fished are 41 of 76 days stayed in the fishing ... grounds. The total catch of D. mawsoni was 106,241 kg with 5,227 individuals, and their CPUE recorded 0.19 ... both small and large individuals are believed to inhabit area 88.3. The maturity of D. mawsoni ... dominated that stage 1 and 2 had high proportion among the maturity stages during the survey period. To get ...

   Meeting Document : WG-SAM-16/29 : Автор(ы): Delegation of the Republic of Korea

7. Continuation of multi-Member research on the Dissostichus spp. exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia (notification ID 98422, 98423), France (94903, 94904), Japan (94886, 94887), Republic of Korea (94889, 94890) and Spain (94835)

   rules remain to be determined for these Divisions. WG-FSA-16/29 outlines the first multi-member ... milestones in accordance with ANNEX 24-01/A. In 2016, the Scientific Committee agreed that the research plan ... the continuation of the research plan as set out in WG-FSA-16/29. All significant changes to the plan ... from the 2016/17 season (Section C) are also provided. Author(s):  Delegations of Australia, France ...

   Meeting Document : WG-SAM-17/08 : Автор(ы): Delegations of Australia, France, Japan, Republic of Korea and Spain

8. High densities of pennatulaceans (sea pens) encountered at sites in the South Orkney Islands (Subarea 48.2): three potential Vulnerable Marine Ecosystems

   marine ecosystem (VME) indicator taxa, were encountered at three sites on the northeastern shelf of the ... South Orkney Islands (Subarea 48.2). The details of these encounters, utilizing occurrence and abundance ... currently registered VMEs, one of which was based solely on high densities pennatulaceans.  Although the ... proposed that consideration be given to creating a larger precautionary region that encompasses the cluster ...

   Meeting Document : WG-EMM-18/36 : Автор(ы): C.D. Jones

9. Modelling egg and larval transport of Antarctic Toothfish (Dissostichus mawsoni) in the East Antarctic region: Plan

   Abstract:  Antarctic Toothfish (Dissostichus mawsoni) is one of the target species that CCAMLR ... sets catch limits in the Southern Ocean. Due to their broad distribution relating to their life cycle ... yet to be fully understood. Especially in early life stage, the process of successful egg/larval ... transport pattern from spawning ground to nursery ground is poorly known in the East Antarctic region. This ...

   Meeting Document : WG-SAM-2019/20 : Автор(ы): M. Mori, K. Mizobata, T. Okuda and T. Ichii

10. Krill faecal pellets drive hidden pulses of particulate organic carbon in the marginal ice zone

    Abstract:  The biological carbon pump drives a flux of particulate organic carbon (POC) through ... the ocean and affects atmospheric levels of carbon dioxide. Short term, episodic flux events are hard ... estimates. We model the potential hidden flux of POC originating from Antarctic krill, whose swarming ... seasonal krill FP export flux of 0.039 GT C across the Southern Ocean marginal ice zone, corresponding to ...

    Meeting Document : WG-EMM-2019/P01 : Автор(ы): A. Belcher, S.A. Henson, C. Manno, S.L. Hill, A. Atkinson, S.E. Thorpe, P. Fretwell, L. Ireland and G.A. Tarling

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