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1. Estimating the level of illegal fishing using simulated scaling methods on detected activity

   whether the method for estimating catches from illegal, unregulated or unreported (IUU) fishing developed ... , Annex 5, paragraph 3.18). The results of these simulations suggest that more information on IUU fleet ... the number of IUU fishing days, particularly for areas where patrolling may be relatively infrequent ... or prone to evasion. Also, the assessment method may need to be refined to take these issues into ...

   Meeting Document : WG-FSA-SAM-04/14 : Autor(es): Ball, I.

2. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (CCAMLR Subarea 48.3), Antarctica, during austral winter from 2002 to 2008

   Abstract:  Species composition and abundance of myctophid fish were analyzed using the fish ... bycatch samples collected by scientific observers onboard Japanese commercial krill fishing vessels in the ... area north and northwest of South Georgia, Antarctica during the austral winter from 2002 to 2008. A ... total of 9 myctophid species were identified in the by-catch samples, among which Krefftichthys ...

   Meeting Document : WG-EMM-10/22 : Autor(es): T. Iwami, M. Naganobu, K. Taki and M. Kiyota (Japan)

3. The relative impacts of Autolines and Spanish longlines on vulnerable marine ecosystems

   Abstract:  The Commission aims to protect vulnerable marine ecosystems (VMEs) and has established ... .  Members have made substantive and important scientific contributions to support the Commission’s objective ... of protecting VMEs, but work comparing the effects of different gear types has been relatively ... limited.  We used data collected by the longline fishery in Subarea 88.1 to compare the impacts of ...

   Meeting Document : WG-FSA-12/27 : Autor(es): T. Gerrodette and G. Watters (USA)

4. Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)

   Abstract:  Grenadiers (Macrourus spp.) are the main bycatch species in the exploratory longline ... fishery for toothfish in the Ross Sea. Previous studies concluded that acoustics methods could be used to ... index the relative abundance of grenadiers and be useful for exploring spatial distribution. Automated ... longline catches of grenadiers and toothfish. Single targets were most abundant within 250 m of the bottom ...

   Meeting Document : WG-FSA-14/62 : Autor(es): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)

5. Preliminary report on the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and associated field camps in January–February 2016

   Abstract:  This paper briefly describes the rationale and structure of the research cruise that ... formed a key component of the co-ordinated, multi-national South Orkney Ecosystems Studies focusing on ... the krill-based ecosystem in the main fishing area in Subarea 48 undertaken in the austral summer of ... 2015-16. The research cruise consisted of collection of at-sea data on the distribution, abundance and ...

   Meeting Document : WG-EMM-16/19 : Autor(es): J. Watkins, O.R. Godø, S. Fielding, C. Reiss, P. Trathan and E. Murphy

6. Background papers considered relevant to the WG-EMM discussions on feedback management

   populations across the Antarctic Peninsula.  The Antarctic Site Inventory data, together with data from other ... Abstract:  The United Kingdom has contributed funding to the US-based non-governmental ... (MAPPPD) which is on a publicly available website (Humphries et al. In Press). The data summary and ... analysis together with the methods described within Lynch et al. (2010), provide methods that are of direct ...

   Meeting Document : WG-EMM-16/44 : Autor(es): Delegation of the United Kingdom

7. Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region

   Abstract:  In 2016, scientists from the USA and New Zealand undertook a collaborative initiative ... to deploy pop-off satellite archival (PSAT) tags on Antarctic toothfish (Dissostichus mawsoni) on the ... southern shelf (SSRUs 88.1M,J,L) and northern seamount (SSRUs 88.1B,C) areas of the Ross Sea region. The ... available types of PSAT tags, and to develop methods to support research and monitoring of the Ross Sea ...

   Meeting Document : WG-SAM-17/33 : Autor(es): C.D. Jones and S.J. Parker

8. A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey

   Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... vicinity of Heard Island and the McDonald Islands during April 2017. This paper provides an updated growth ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2017 survey showed a large 3+ cohort dominating the population. An updated ...

   Meeting Document : WG-FSA-17/22 : Autor(es): D. Maschette, P. Burch, P. Yates and D. Welsford

9. Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean

   ), 38 of which could be individually identified by resighting their tag numbers. The majority of the MI ... -tagged seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... . The attendance rate of the known individuals at their natal island during the annual moult was only 40 ... %, based on their resighting histories. This was significantly lower than the 77 ± 6% moult attendance rate ...

   Meeting Document : WG-EMM-10/P16 : Autor(es): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr

10. Spatial patterns of temporal relationships in the Southern Ocean

    Abstract:  Phytoplankton production during the austral summer in the Southern Ocean is known to be ... modelled variables and show that this covariance in time between the mixed layer depth (MLD), sea surface ... . Statistically significant spatial patterns in the covariance between MLD, SST and Chl-a show that the physical ... factors controlling phytoplankton production in the Southern Ocean change in a predictable manner. Well ...

    Meeting Document : WS-BSO-07/5 : Autor(es): M. Kahru and B.G. Mitchell (USA)

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