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1. Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas

   Abstract:  Antarctic krill, Euphausia superba, have a circumpolar distribution but are ... ontogenetic life stages of krill (eggs, nauplii plus metanauplii, calyptopes, furcilia, juveniles, and adults ... ), based on a compilation of all available post 1970s data. Using these maps, we then examined firstly ... krill densities can be high. To address these questions, we compiled larval krill density records and ...

   Meeting Document : WG-EMM-2019/20 : Autor(es): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor

2. Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights

   responses to changes in krill abundance but also provide critical dietary data with which to elucidate the ... distribution and abundance of a single dominant zooplankton species, Antarctic krill Euphausia superba. At ... South Georgia interannual variability in the krill-based marine ecosystem has historically been most ... population size structure of krill in the diet of Antarctic fur seals Arctocephalus gazella, particularly ...

   Meeting Document : WG-EMM-04/63 : Autor(es): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)

3. Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation

   Abstract:  To address the potential effect of DVM behavior on krill biomass estimates, diel ... vertical distribution of krill swarms around the South Shetland Islands in Subarea 48.1 were analyzed based ... on data collected by the Chinese fishing vessel participating in the international 2019 Area 48 ... survey. Results show that more krill swarms were found in shallower depth at night than during daytime ...

   Meeting Document : SG-ASAM-2019/05 : Autor(es): X. Wang, X. Yu, J. Zhang and X. Zhao

4. Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19

   Planning Domain 1 encompasses the major krill fishing grounds. Thus, data supporting FBM are critical if ... Abstract:  The primary objective for this krill research activity was twofold 1) to conduct a ... survey that provides updated estimates of the biomass and distribution of krill which are used in models ... high krill-density areas, contains state-of-the art methods and employs modern technology for the ...

   Meeting Document : WG-EMM-2019/07 : Autor(es): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn

5. Preliminary results from the International Synoptic Krill Survey in Area 48, 2019

   values needed to convert krill NASC to biomass. Further integration of data from all survey vessels and ... Abstract:  Preliminary results from the International Synoptic Krill Survey in Area 48, 2019, are ... results from four (vessels from the Association of Responsible Krill harvesting companies (ARK), Norway ... , which were based on the methods and procedures used in the CCAMLR 2000 krill acoustic survey ...

   Meeting Document : WG-EMM-2019/47 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox

6. Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   , 120 and 200 kHz) data to estimate biomass of Antarctic krill were recorded along predetermined ... (CCAMLR Division 58.4.1) with a focus on Antarctic krill was carried out by Kaiyo-maru during the 2018/19 ... tracklines for 2,519 n.miles. Broadband echosounder data were recorded at 24 targeted RMT stations to ... estimate length distribution and swimming angles of Antarctic krill acoustically. The mass density and ...

   Meeting Document : WG-EMM-2019/42 : Autor(es): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki

7. Stable isotope analysis reveals trophic variation in adult Antarctic krill (Euphausia superba) around the Antarctic Peninsula from austral fall to early winter

   South Shetland Islands. Our data imply that adult krill present size-, season-, and region-dependent ... Abstract:  The Antarctic krill (Euphausia superba) is a key species in the Southern Ocean ... variation in δ 13 C and δ 15 N values of adult krill in the Antarctic Peninsula, in the austral fall (April ... to May) and the early winter (June). We aimed to examine the trophic variations of krill occurred ...

   Meeting Document : WG-EMM-2019/P03 : Autor(es): H.T. Zhang, G.P. Zhu, Q. Song, S.Q. Wang, Y. Yang and Q.Y. Yang

8. Krill (Euphausia superba) distribution contracts southward during rapid regional warming

   be sensitive to warming and ice loss, but data are scarce and evidence is conflicting. Here, we show ... Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... juvenile krill. We found evidence for environmental controls on recruitment, including a reduced density of ... larval krill. However, the total post-larval density has declined less steeply than the density of ...

   Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley

9. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   Paper Title:  Sensitivity investigation of the SDWBA Antarctic krill target strength model to ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... variability of krill in the area of investigation. In a multifrequency context, the girth–length relationship ... and 120 kHz attributed to krill and net samples from the CCAMLR­2000 Survey data in the Scotia Sea ... Fisheries and Coastal Affairs through the project ‘Antarctic Krill and Ecosystem Studies (AKES)’ with ... INVESTIGATION OF THE SDWBA ANTARCTIC KRILL TARGET STRENGTH MODEL TO FATNESS, MATERIAL CONTRASTS AND ... predict the TS of Antarctic krill (Euphausia superba) for use in the acoustic echo­integration method ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Autor(es): Calise, L. and G. Skaret

10. Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2

    Abstract:  This document outlines plans by Australia to conduct an acoustic biomass survey for ... krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... data to that used on the CCAMLR2000 survey. The survey will be conducted from a single ship and will ... :  Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2 Approval:  Approved ...

    Meeting Document : WG-EMM-04/37 : Autor(es): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)

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