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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ... of 11-21 months. A comparison was carried out between the annuli found in scales removed before and ... after the period of liberty. In scales of those specimens recovered after 11-13 months, one extra ... annulus was laid down. The same analysis in one individual recovered after 21 months resulted in 2 extra ...
Meeting Document : WG-FSA-94/12 : Автор(ы): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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Growth of krill around the South Orkney Islands in 1989/90
the females. The increment for this period was the same for both sexes and had about 8–9 mm in length ... that krill don’t reach the age of 5 years. Author(s): Latogursky, V.I. Title: Growth of krill around ... the South Orkney Islands in 1989/90 Approval: Approved ...
Meeting Document : WG-EMM-95/05 : Автор(ы): Latogursky, V.I.
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data
by the Scientific Committee (SC-CAMLR-XXXVI/20). The Plan identifies research questions that aim to ... characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying working ... paper (SC-CAMLR-XXXVII/11), we suggest candidate baseline data for seven indicator species listed in the ...
Meeting Document : SC-CAMLR-XXXVII/BG/13 : Автор(ы): Delegation of the USA
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
Abstract: Discovered in 1819, the South Shetland Islands soon became the focus of intensive ... were found at Cape Shirreff, Livingston Island in January 1960. In 1987, an archipelago-wide aerial and ... ground census identified breeding colonies and substantial increases in pup production. This paper ... 30 January –5 February 2002. Multiple counts of pups at each colony were conducted to establish ...
Meeting Document : WG-EMM-02/51 : Автор(ы): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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New possibilities of krill-dependent indicator species monitoring – UAV survey in Subarea 48.1
: Adélie, gentoo and chinstrap penguins. In total approx. 30 000 nests in twelve breeding colonies were ... Abstract: Unmanned Aerial Vehicles specially adapted for operation in polar regions were used to ... , Chabrier Rock and Penguin Island (Subarea 48.1) in three austral summer seasons (2014/15, 2015/16, 2016/17 ... software. In selected colonies a comparison with the results of measurements taken at the same time from ...
Meeting Document : WG-EMM-17/03 : Автор(ы): M. Korczak-Abshire, A. Zmarz, M. Rodzewicz, R. Storvold, M. Kycko, I. Karsznia, A. Kidawa and K.J. Chwedorzewska
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
in catching and tagging the anticipated number of toothfish each year, the experiment and CM 41-03 ... Abstract: 1. During the 2006/07 fishing season one UK and one New Zealand vessel fished in ... distributions of abundance around the fishing area. There were two tag recaptures in 2007, both of D ... the mark-recapture experiment in Subarea 48.4 in 2007/08. Initial estimates of population size will be ...
Meeting Document : WG-FSA-07/32 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)
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SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION
poor krill years occurred in 1969, 1978 and 1991. Spatial analysis of icefish diet indicates ... South Georgia and Shag Rocks shelves in January 2009. The results show that the diet of this normally ... low in Antarctic krill (7 % IRI) compared with similar data for the same month in 2004-2006. The ... occurrence of krill in the diet with earlier data sets (1967-1992) show that 2009 is not unique, as similarly ...
Meeting Document : WG-EMM-09/27 : Автор(ы): M.A. Collins and C.E. Main (United Kingdom)
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An update on the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
the short-term by an increase in the mean length of longline-caught toothfish over the next five years ... status for the toothfish resource in the Prince Edward Islands region that were developed last year are ... a constant future catch suggest that the two scenarios will only be qualitatively distinguished in ... control rule based upon recent trends in both CPUE and this mean length is investigated. This MP is able ...
Meeting Document : WG-FSA-SAM-06/12 : Автор(ы): A. Brandão and D.S. Butterworth (South Africa)
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2007 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
become available for the years 2006 and 2007. The assessment allows for a second fleet to accommodate ... data from a pot fishery that operated in 2004 and 2005. Biological parameter values adopted for Subarea ... 48.3 are used. The resource is estimated to be at about 37% of its average pre-exploitation level in ... ) Title: 2007 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward ...
Meeting Document : WG-FSA-07/34 Rev. 1 : Автор(ы): A. Brandão and D.S. Butterworth (South Africa)
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Natural mortality rates of the Antarctic krill Euphausia superba Dana in the Indian sector of the Southern Ocean
Abstract: Data on the size and age composition of Euphausia superba were collected in the ... E.superba in the Indian sector of the Southern Ocean were calculated according to Alverson-Carney’s (1975 ... , during the maturation period, to 1.17 and 3.22 during the first and last years of life, respectively ... superba Dana in the Indian sector of the Southern Ocean Approval: Approved ...
Meeting Document : WG-KRILL-93/44 : Автор(ы): E.A. Pakhomov (Ukraine)
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