Résultats de la recherche
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On the problem of Soviet krill fishery allocation and intensity in the area of Elephant Island in the season of 1988-1989
Abstract: Microscale data, described the Soviet krill fishery off the Elephant Island (Subarea ... average), and the lowest in November (3.5 t per hour of trawling in average). Fisheries tacktics follows ... the scheme: 1) vessels enter the Elephant Island area and search for krill concentrations; 2) fishing ... has been lost. The velocity of krill concentration northeastward drift, calculated by the fleet ...
Meeting Document : WG-CEMP-92/30 : Auteur(s): V.A. Sushin and A.S. Myskov (Russian Federation)
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Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas
), based on a compilation of all available post 1970s data. Using these maps, we then examined firstly ... extracted data spanning 41 years (1976-2016) from the existing KRILLBASE-abundance and KRILLBASE-length ... Status: Content Approved Document Release Consent: No Delegation responsibility for releasing documents ... Abstract: Antarctic krill, Euphausia superba, have a circumpolar distribution but are ...
Meeting Document : WG-EMM-2019/20 : Auteur(s): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor
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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 : Auteur(s): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)
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Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
on data collected by the Chinese fishing vessel participating in the international 2019 Area 48 ... Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation ... 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 ...
Meeting Document : SG-ASAM-2019/05 : Auteur(s): X. Wang, X. Yu, J. Zhang and X. Zhao
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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 ... , requires acoustic data to be collected, processed and reported continuously during the fishing season as a ... : Approved Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation ... Abstract: The primary objective for this krill research activity was twofold 1) to conduct a ...
Meeting Document : WG-EMM-2019/07 : Auteur(s): 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
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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 ... Document Release Consent: No Delegation responsibility for releasing documents: Norway ... 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 ...
Meeting Document : WG-EMM-2019/47 : Auteur(s): 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
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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 ... tracklines for 2,519 n.miles. Broadband echosounder data were recorded at 24 targeted RMT stations to ... , respectively. SADCP and PDR data were continuously recorded along the tracklines. A total of 101 CTD and 150 ... floats and buoys were deployed at 18 locations. Surface oceanographic environment data were continuously ...
Meeting Document : WG-EMM-2019/42 : Auteur(s): 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
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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 ... Approved Document Release Consent: No Delegation responsibility for releasing documents: China ... 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 ...
Meeting Document : WG-EMM-2019/P03 : Auteur(s): H.T. Zhang, G.P. Zhu, Q. Song, S.Q. Wang, Y. Yang and Q.Y. Yang
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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 ... Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for ... 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 ...
Meeting Document : WG-EMM-2019/P02 : Auteur(s): 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
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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 ... fish in the post larval stage (Miyashita, 2003) and squid (Lavery et al., 2007). In practice, the ... empirical data at 120 kHz obtained by McGehee et al. (1998) and the related DWBA model parameters. For the ... Gaussian distribution of orientations fit to the meas- ured data when averaging the echoes over a ran- dom ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret