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1. The Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD) database: a tool for helping stakeholders monitor penguin population trends in Antarctica

   ) and the ATS's Visitor Site Guidelines. The database underlying MAPPPD includes all publicly ... Abstract:  The Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD) is a ... organizations, and policymakers working to meet the management objectives as set forth by The Commission for the ... Conservation of Antarctic Marine Living Resources (CCAMLR) and other components of the Antarctic Treaty System ...

   Meeting Document : WG-EMM-2019/26 : Autor(es): G.R.W. Humphries, P. Trathan, R. Naveen, C. Che-Castaldo and H.J. Lynch

2. Proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   Japan. No krill biomass has been estimated in the Division since 1996 when Australia carried out BROKE ... . There are two main objectives of our survey: (1) estimation of krill biomass to update B 0 in the ... division and (2) oceanographic observations in the area to detect long term changes if any. Japanese ... research vessel, Kaiyo-maru, will be used in the survey. The krill survey (echosounder and RMT) and ...

   Meeting Document : WG-EMM-17/05 : Autor(es): H. Murase, K. Abe, T. Ichii and A. Kawabata

3. Biomass results from the International Synoptic Krill Survey in Area 48, 2019

   Abstract:  Results from the International Synoptic Krill Survey in Area 48, 2019, are presented ... . This survey covered both the strata occupied during the CCAMLR 2000 acoustic survey and the strata that ... comprise the regular AMLR survey. Acoustic transects (10534 n.mi), oceanographic measurements (253 casts ... ), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ...

   Meeting Document : SG-ASAM-2019/08 Rev. 1 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox

4. Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991

   and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ... Abstract:  An observation program was carried out by a biologist-observer on board the krill ... fishing vessel More Sodruzhestva in April to August 1991 in Subareas 48.2 and 48.3. The program included ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ...

   Meeting Document : WG-KRILL-92/06 : Autor(es): V.I. Latogursky (Russia)

5. Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

   Abstract:  Antarctic krill (Euphausia superba) is an abundant fishery resource, the harvest levels ... of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ...

   Meeting Document : WG-EMM-16/04 : Autor(es): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann

6. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

   preliminarily estimated as 4.349 million ton (CV=54.8 %) based on the swam based method using data obtained by ... Kaiyo-maru. The point estimate was comparable with the estimate in 1996 by BROKE (4.83 million ton with ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...

   Meeting Document : SG-ASAM-2019/02 : Autor(es): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

7. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults

   Penguins, over 26 and 22 years respectively, suggesting over-wintering conditions may influence the ... proportions of birds breeding. For both species the time of arrival of females for breeding, and for ... Rockhopper Penguins the mass of females on arrival, was significantly related to breeding success. Therefore ... significantly correlated with that of females. Although both species had low weights on arrival after the El ...

   Meeting Document : WG-EMM-05/38 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)

8. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   . However, no evidence to validate this assumption has previously been presented. In the current work ... Abstract:  Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (CCAMLR sub-area 88.1 ... ) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... before recapture. The number of zones between the fluorescent oxytetracycline line and the otolith margin ...

   Meeting Document : WG-FSA-02/33 : Autor(es): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)

9. Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins

   the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ... Abstract:  Predator-prey interactions play an important role in determining the dynamics of ... ecosystems. Recently, concerns have arisen due to the commercial harvesting of Euphausia superba, the ... Antarctic krill, a keystone prey species in the Southern Ocean food web. It has been difficult to evaluate ...

   Meeting Document : WG-Joint-94/12 : Autor(es): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)

10. “Sailbuoy for krill” – a concept for autonomous commercial and scientific monitoring of the krill fishing in Antarctica

    distribution dynamics. Similarly, the industry burns unnecessary amounts of oil in long range searching of ... drone technology now available through the Sailbuoy concept, offers new opportunity for an industry ... availability.  The Sailbuoy concept has demonstrated robustness and reliability under other rough conditions ... fishery in the Antarctic. The system will be equipped with echosounder and environmental sensors and will ...

    Meeting Document : WG-EMM-18/15 : Autor(es): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann

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