Résultats de la recherche
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A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
Paper Title: A review of data on abundance, trends in abundance, habitat use and diet of ice ... -breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... . Collating data from disparate sources, and understanding biases or uncertainties inherent in those data, are ... rest of the year, these species spend much of their time foraging in the ocean, but continue to haul ... Antarctic pack-ice in one year, but the resulting spatial coverage of the coordinated APIS program was ... seals, the proportion of seals underwater around so- lar midday in the summer months is between 20 ... times of year. In spring, when crabeater seals are breeding, shipboard surveys have found that ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Auteur(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
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Report on season extension trials in the Patagonian toothfish longline fishery in CCAMLR Statistical Division 58.5.2
trial post-season extension (15-30 November), in addition to the existing pre-season (15-30 Apr) and ... trial post-season extension (1-14 Nov) in the Patagonian toothfish longline fishery in statistical ... the periods 1-14 November 2015, 1-14 April 2016 and 15-30 April 2016. Author(s): T. Lamb Title ... : Report on season extension trials in the Patagonian toothfish longline fishery in CCAMLR Statistical ...
Meeting Document : WG-FSA-16/28 Rev. 1 : Auteur(s): T. Lamb
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
Paper Title: CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their ... possible utility for evaluation of relative changes in krill biomass Abstract / Description: Key catch-per ... -unit-effort (CPUE) indices used in Soviet krill fishery statistics, as well as the main sources of data ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ... 0 2 4 6 8 10 12 14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel ... be 20% or more (Anon., 2001). Another, much smaller, peak in Figure 5 is associated with 8–12 hauls ... 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... . 71 52 88 1 51 7 0. 20 66 14 0. 66 49 94 30 1 - - - - - - 24 . Su ba re ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Auteur(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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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
. Though the catch of the USSR in the above-mentioned season reached maximum, the total fishery intensity ... for the last 9 seasons was low and only 1 standard vessel operated in the area during 40% of the ... period. The highest catch per-unit-of-effort was observed in January (7.7 t per hour of trawling in ... average), and the lowest in November (3.5 t per hour of trawling in average). Fisheries tacktics follows ...
Meeting Document : WG-CEMP-92/30 : Auteur(s): V.A. Sushin and A.S. Myskov (Russian Federation)
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Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001
Abstract: Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... installed on the R/V “Polarstern”. The collected acoustic data were post-stratified in three strata based on ... . The highest density was found in the southernmost stratum and lowest density in the northernmost ... (15.6 g/m2 and 12.8 g/m2 respectively) performed the same field season in partly the same area, and with ...
Meeting Document : WG-EMM-02/30 : Auteur(s): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)
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Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the vicinity of Prydz Bay, Antarctica
Abstract: In this present report the change of the Antarctic krill distribution pattern from ... December 1983 to January/February 1984 in the vicinity of Prydz Bay was analysed. The results showed the ... : Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the ...
Meeting Document : WG-Krill-94/30 : Auteur(s): M. Naganobu and S. Kawaguchi (Japan)
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Krill biomass and density distribution in February–March 2002 in Subarea 48.3
February 14 to March 5, 2002. Average krill density in the survey area was estimated at 45.45 g/m2 and ... feeding on krill in the area of the South Georgia western extremity where main feeding grounds serving ... and density distribution in February–March 2002 in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-EMM-03/30 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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Summary of research voyages in the South Orkney Islands region in 2015/16
Abstract: Two scientific research voyages were undertaken on board the RRS James Clark Ross in ... , in this region. The South Orkneys Ecosystems Studies cruise (SOES, Jan-Feb 2016) was led by the UK ... and Norway, and focused on the krill-based ecosystem in the main fishing area in Subarea 48.2 ... undertaken in the austral summer of 2015-16. It collected at-sea data on the distribution, abundance and ...
Meeting Document : SC-CAMLR-XXXV/BG/28 : Auteur(s): Delegations of the United Kingdom and Norway
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US plans for fishing for crab in Subarea 48.3 in accordance with Conservation Measures 150/XVII and 151/XVII
Author(s): Delegation of the USA Title: US plans for fishing for crab in Subarea 48.3 in ...
Meeting Document : CCAMLR-XVIII/BG/30 : Auteur(s): Delegation of the USA
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
. In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was ... the six years included in the study, two were categorized as years of poor body fat condition, and ... three as years of good condition. Estimated body weight gain during the feeding season in poor years was ... 25 % lower than in good years. The relationship between girth and stomach content mass in the ice ...
Meeting Document : WG-EMM-97/18 : Auteur(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.