Resultados de la búsqueda
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
increasing trend during the last 6 years, increased from 20.22 g m-2 in December 2013 to 70.13 g m-2 in ... Abstract: Metadata for krill biomass time series obtained by Chinese krill fishing vessel in ... . Distribution of Antarctic krill for the 2013/14 to 2015/16 and the 2017/18 to 2018/19 fishing seasons were ... the South Shetland Islands, one of the major fishing ground for Antarctic krill in Area 48. Acoustic ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Autor(es): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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Tendencias de la biomasa de Dissostichus eleginoides (Smitt, 1898) en la Subarea 48.3 (1992–1997)
split years 1992 to 1997, was estimated using the Sequential Population Analysis (SPA) model based in ... used and for the aplication of SPA the non-lineal function of Solver in Excel was used. The results ... show descent trends in Total, Fishable and the Spawning Biomass. This last part of the population is ... actually (1997) very close to the 20% of the initial (1992) spawning biomass. An aproximation of the future ...
Meeting Document : WG-FSA-97/43 : Autor(es): Moreno, C.A., Rubilar, P.S., Zuleta, A., Young, Z.
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An examination of variance and sample size for female Antarctic fur seal trip durations
sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... at 40 females. Based upon my results I propose incorporating some flexibility in sample size and ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year to ...
Meeting Document : WG-EMM-99/45 : Autor(es): M.E. Goebel (USA)
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Oceanic circumpolar habitats of Antarctic krill
Author(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming Title: Oceanic circumpolar habitats of Antarctic krill Approval: Approved Secretariat Workflow Status: Content Approved Document
Meeting Document : WG-EMM-08/P04 - Article : Autor(es): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
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Otolith chemistry indicates population structuring by the Antarctic Circumpolar Current
Author(s): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams Title: Otolith chemistry indicates population structuring by the Antarctic Circumpolar Current Approval: Approved
Meeting Document : WG-FSA-08/P05 - Article : Autor(es): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams
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Comentarios sobre un Área Marina Protegida en la plataforma sur de las islas Orcadas del Sur (AMP-SOISS)
) established by CCAMLR in Subarea 48.2 on the initiative of the United Kingdom has existed for more than seven ... years (Conservation Measure СМ 91-03, 2009). However, there are still issues related to the scientific ... by CCAMLR and lessons learned from it are important for subsequent proposals to establish MPAs in the ... Convention Area. Taking into account the above, we consider it appropriate to make a number of comments in ...
Meeting Document : CCAMLR-XXXV/20 : Autor(es): Делегация Российской Федерации
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Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
fur seals (Arctocephalus gazella) in 3 consecutive years, from 1991- 1993 (n=72) and from Southern ... used in marine ecosystems in which diet determination by more direct methods is difficult and sometimes ... misleading. This study examined fatty acid profiles in milk from two species of pinniped from the Southern ... elephant seals (Mirounga leonina) in 1988 (n=53) at South Georgia. Lipids were extracted and fatty acid ...
Meeting Document : WG-EMM-99/44 : Autor(es): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)
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Proposals on standardization of toothfish resource research
discussed in the context of discussion at the Scientific Committee and the CCAMLR Commission in 2018 ... -year international research program implemented in Subdivision 58.4.1., such as the lack of ... regarding the longline survey methodology in Division 58.4.1. It is shown that the methodology of modern ... mandatory for all ships participating in the survey. At the same time, methodological aspects of the multi ...
Meeting Document : WG-SAM-2019/34 : Autor(es): S. Kasatkina
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Diet of two icefish species from the South Shetland Islands and Elephant Island, Champsocephalus gunnari and Chaenocephalus aceratus 2001–2003
2001 to 2003. C. gunnari fed almost exclusively on krill (Euphausia superba) in all years. The ... importance of other taxa (Themisto gaudichaudii, mysids, myctophids) in the diet was negligible. The average ... . They were Gobionotothen gibberifrons in 2001, Lepidonotothen larseni and C. gunnari in 2002 and L ... . larseni in 2003. An ontogenetic shift in feeding preference of C. aceratus was observed: Fish smaller than ...
Meeting Document : WG-FSA-03/61 : Autor(es): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
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Diets of sympatrically breeding Adélie, gentoo and chinstrap penguins from Admiralty Bay, South Shetland Islands, Antarctica, 1981 to 2000
among the three species in the years of high versus low food loads. Adélie and chinstrap penguin adults ... during chick rearing over the 20-year period from 1981 to 2000. All three penguin species were largely ... -annual variability in mean food load sizes during chick rearing and there was a high degree of coherence ... experienced significant declines in body weight during the chick provisioning period in several of the latter ...
Meeting Document : WG-EMM-03/29 : Autor(es): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)