Résultats de la recherche
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The feeding peculiarities of the Antarctic seals in the region of the archipelago of Argentina Islands
that krill (Euphausia superba) is the main type of food for the major species of seals in region. Krill ... growth in comparison with literary data аccording to Weddell seal (L. weddelli) newborns monitoring. It ... testifies to enough qualitative and sufficient forage reserve for pregnant Weddell seal females in ... archipelago water area in which diet krill prevails also (about 70 %). Considering that from 5 seals species ...
Meeting Document : WG-EMM-12/P01 : Auteur(s): I. Dykyy
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Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes
Abstract: Waters around South Georgia are amongst the most productive in the Southern Ocean, and ... support internationally important fisheries. However, there is significant inter-annual variability in ... retention of the planktonic stages (eggs and larvae) of marine fish can play a key role in the maintenance ... grounds may contribute to the failure of the N. rossii population to recover from its collapse in the ...
Meeting Document : WG-FSA-12/P10 : Auteur(s): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
Abstract: Understanding the temporal variability in vital rates (e.g. growth and survivorship) of ... variation are rare because they often require expensive long-term tag-recapture programs. In marine pelagic ... Southern Ocean over a span of 19 yr to document among-year variation in krill growth during the austral ... estimates of among-year variation in krill growth. We estimate very high among-year variation in growth ...
Meeting Document : WG-EMM-13/P01 : Auteur(s): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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Background and criteria of establishment of Marine Protected Area (MPA) in the Weddell Sea
Russian and German scientists in the eastern part of the Weddell Sea. Data on potentially valuable for ... commercial fishing species in the eastern part of the Weddell Sea collected by German investigators in 1979 ... -1989 are also included, as well as results of Russian longline survey of Antarctic toothfish in 2013 ... -2014 in the eastern part of the Weddell Sea. Author(s): A.F. Petrov, V.A. Bizikov, K.V. Shust and ...
Meeting Document : WG-EMM-14/23 : Auteur(s): A.F. Petrov, V.A. Bizikov, K.V. Shust and E.F. Uryupova (Russia)
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Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1
from three of the models provide a robust picture of changes in the krill population. An annual model ... surveys estimated similar absolute biomasses and changes in biomass. A seasonal model estimated similar ... changes in biomass but lower absolute biomasses than the two annual models. A monthly model estimated ... different changes in biomass but predicted absolute biomasses that were similar to those from the seasonal ...
Meeting Document : WG-EMM-14/35 : Auteur(s): G.M. Watters, C.S. Reiss and D. Kinzey (USA)
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Revised South African work plan for 2014/15 for the joint Japan/South Africa research on Dissostichus spp. in Subarea 48.6
assessment of the Dissostichus resource in statistical Subarea 48.6 was adopted in 2012 and formulated in CM ... research in 2014/15 and is to be read in conjunction with WG-SAM-14/10. Author(s): Delegation of South ... Dissostichus spp. in Subarea 48.6 Approval: Approved ...
Meeting Document : WG-SAM-14/11 : Auteur(s): Delegation of South Africa
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2014–2017
Abstract: Russian Federation intends to continue research in Subarea 88.2 that began in 2010-2012 ... program was improved in accordance with recommendations of WG-SAM-2014 and intercessional work with CCAMLR ... country-members in order to unify the data collection plan and methods during the proposing mutli-member ... research program in the Ross Sea – Subarea 88.2. Author(s): Delegation of the Russian Federation Title ...
Meeting Document : WG-FSA-14/13 : Auteur(s): Delegation of the Russian Federation
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
300 m) CASAL models for stock status assessments of Dissostichus eleginoides in the research block ... . Among them three runs were carried out using the latest information on age-length relationship in this ... fish tagged in 2012, and a catch at age model including the data with a single age length key applied ... released in 2012 for ELAN_len, ELAN_age and ELAN_lenOB models reflected a large number of recaptures of the ...
Meeting Document : WG-FSA-15/22 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin
feedback management of krill fisheries. Samples stored in 70% ethanol provide an opportunity to detect the ... growth bands of eyestalk sections. Moreover, information derived from samples preserved in formalin will ... common in previous decades. Out of 162 Antarctic krill individuals preserved in 5% formalin, the growth ... the growth bands in the eyestalk was analyzed. Three main parameters, including exact percent ...
Meeting Document : WG-EMM-18/P16 : Auteur(s): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang
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The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
Antarctic krill in CCAMLR Area 48. The local krill populations support krill-dependent higher predators and ... Orkney Islands lie in the seasonal sea ice zone. Sea ice is an important overwintering habitat for ... the local ecosystem dynamics in this key region requires greater understanding of the extent to which ... regional and local transport pathways to and in the South Orkneys region, and the residence time of krill ...
Meeting Document : WG-EMM-2019/21 : Auteur(s): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner