Résultats de la recherche
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Distribution and size of Antarctic krill (Euphausia superba Dana) in the Polish commercial catches in the Atlantic sector of Antarctica in 1997–1999
the water, however, no clear evidence of vertical migrations was found. Between February and April ... Abstract: The distribution, density and length composition of krill in commercial concentrations ... were investigated in the regions of South Shetland, Elephant, South Georgia and South Orkneys in spring ... and summer 1997-1999. The concentration densities varied with area and season. The densest ...
Meeting Document : WG-EMM-01/13 : Auteur(s): E. Jackowski (Poland)
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
Abstract: The subject of research was geostrophic circulation of water masses, spatial ... flow at various spatial-temporal scales in the Scotia Sea. According the discussion at WG-EMM-2018 ... (paragraph 2.24-2.27), particular attention is paid to the special field studies across time to improve ... understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ...
Meeting Document : WG-EMM-2019/58 : Auteur(s): S. Kasatkina and V. Shnar
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Implementation and preliminary results from the synoptic krill survey in Area 48, 2019 conducted by the Chinese krill fishing vessel Fu Rong Hai
Abstract: As a contribution to the joint effort on the large-scale synoptic krill survey of Area ... 48, the Chinese krill fishing vessel Fu Rong Hai conducted the survey in the Subarea 48.1 from 2 ... generally following the procedures applied in the CCAMLR 2000 survey analyses, and estimates of krill ... density were based on the 120 kHz data attributed to krill using the swarm-based method as well as the two ...
Meeting Document : WG-EMM-2019/43 : Auteur(s): X. Wang, X. Zhao, B. Zou, G. Fan, X. Yu, J. Zhu, J. Zhang and Y. Ying
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Exploitation of the marine environment by two sypatric albatrosses in the Pacific Southern Ocean
mass of prey taken. No satellite-tracked birds fed over the shelf, but data from the duration of ... Abstract: The marine habitat exploited by black-browed Diomedea melanophyrs and grey-headed ... . Data were analysed in relation to the bathymetry and sea-surface temperature of the foraging zones ... . Black-browed albatrosses spent 55% of their time on the Campbell Plateau but also carried out long ...
Meeting Document : WG-FSA-04/59 : Auteur(s): S.M. Waugh (New Zealand), H. Weimerskirch, Y. Cherel (France), U. Shankar (New Zealand), P.A. Prince (United Kingdom) and P.M. Sagar (New Zealand)
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The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17
region are precautionary and we recommend extending the current research plan for 2018 season. No ... Abstract: Fishing in the Amundsen Sea region (SSRUs 882C–H) has been managed through a research ... plan since the 2015 fishing season. The aim of the research plan is to collect sufficient information ... to carry out a reliable stock assessment of the toothfish stock in that area. In this report, we ...
Meeting Document : WG-FSA-17/39 : Auteur(s): S. Parker and S. Mormede
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Features of spatial and temporally distribution patterns of krill flux in the Scotia Sea: some comments on the development of a krill fishery management in Area 48.
Abstract: The spatial variability of krill flux in the Scotia Sea calculated by using the ... geostrophic method, is analysed. For this, CCAMLR-2000 international survey data was used. The analysis was ... carried out in the 0-500 m depth ranges 50 m layers. Water mass geostrophic circulation, spatial ... to the Scotia Sea, were a subject of study. It is clearly illustrated that the geostrophic krill ...
Meeting Document : WG-EMM-18/21 : Auteur(s): S. Kasatkina, V. Shnar and A. Malyshko
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
-Carlo Markov Chain (MCMC) diagnostics suggested no evidence of non-convergence in the key biomass ... Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B ... ), using catch, catch-at-age, and tag-recapture data from 1997–98 to 2014–15 and including the results from ...
Meeting Document : WG-FSA-15/38 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
Abstract: No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... (Dana, 1852). The eyestalks from 51 individuals were dissected, cut in longitudinal sections and studied ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... , each zone consisting of one light and one dark section. The width of the longitudinal sections ...
Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58 and 88 for the exploratory longline fishery in 2014–2018 of Korea
Abstract: The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... and ecologically important fishery resource in the waters of Antarctic. However, there is not enough ... data and information to assess the robust stocks and deliberate proper measurements for sustainable ... stock assessments and fishery managements. Therefore, the Korean scientists analyze diet composition and ...
Meeting Document : WG-FSA-18/24 : Auteur(s): G.W. Baeck, S.-G. Choi, S. Chung and D.H. An
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Disentangling the influence of three major threats on the demography of an albatross community
seabirds, globally. Understanding the relative influence and compounding nature of marine and terrestrial ... threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... ) at subantarctic Macquarie Island, we quantified the temporal variability in survival, breeding ... probability and success. In three species (excluding the wandering albatross because of the small population ...
Meeting Document : WG-FSA-2019/34 : Auteur(s): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell