Search results
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Contrasting population changes in sympatric penguin species in association with climate warming
ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ... adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas chinstrap ...
Meeting Document : WG-EMM-06/P3 : Author(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
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La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ... for 20 years, firstly with trawlers and more recently with longliners. It is the oldest fishery ...
Meeting Document : WG-FSA-05/27 : Author(s): C. Lord, G. Duhamel et P. Pruvost (France)
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White-chinned petrel incidental mortality event in the Subarea 48.3 Patagonian toothfish fishery during the season extension period in the 2013/14 season
for over 10 years. The circumstances associated with the event were investigated and a review of seabird ... chinned petrels, which is the most significant incidental mortality event in the fishery for over 10 years ...
Meeting Document : WG-FSA-14/28 : Author(s): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)
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Extending ecological monitoring to underpin the development of feedback management approaches for the Antarctic krill fishery
propose that CCAMLR consider the merits of different approaches over the next two years, so that it can ... the merits of different approaches over the next two years, so that it can agree a way forward and make best ...
Meeting Document : WG-EMM-12/04 : Author(s): P.N. Trathan (UK), H.J. Lynch (USA), C. Southwell (Australia), P.T. Fretwell (UK), G. Watters (USA) and N. Ratcliffe (UK)
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples ... years) in pup growth rates, the loss of power associated with obtaining weight samples on only three ... Numerical simulations were used to investigate the power of methods for detecting changes (between years ... date, were computed separately for each sex and year. Bartlett's test was used to evaluate ... squared error (MSE) from both years were formed for use in a power analysis. Monte Carlo simulations ... and year in Table 1. There were no significant differences in variances of pup weights among dates ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Author(s): Boveng, P., J.L. Bengtson and M.E. Goebel
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Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context
on the Shetland Islands (Antarctic Peninsula) and at Syowa Station (Eastern Antarctic). The Subantarctic Gentoo ... on the Shetland Islands (Antarctic Peninsula) and at Syowa Station (Eastern Antarctic). The Subantarctic Gentoo ...
Meeting Document : WG-EMM-2019/74 : Author(s): M. Huerta and S.A. Estay
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Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds
Abstract: steelon codends used in commercial fishery, with a nominal mesh size A = 80 mm and A ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... tendency to pass through meshes of the codend than Antarctic icefish and bumphead notothenia. 3. The ... result of the application of webbing with permanently open meshes for codend construction. 4. The most ...
Meeting Document : SC-CAMLR-VII/BG/11 : Author(s): J. Zaucha (Poland)
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
between the 27th January and 6th February 2011. 87 random hauls were completed, with good coverage across ... the shelf. Catch-weighted length frequencies of mackerel icefish indicated that 3+ sized fish ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ... tonnes. Euphausiidae was the dominant prey item in the mackerel icefish diet with increased dietary ...
Meeting Document : WG-FSA-11/29 : Author(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand in 2018/19
distribution with modes near 70 cm and 150–160cm. Proportions for female maturity stages 1, 2, and 3 were ... similar in research blocks 883_1, 883_3 and 883_4 with the range of 0.1110–0.1571, but much lower in ... research block 883_5, 883_P8, 883_P9 with the range of 0–0.0185. Tagging rate and tag overlap in Subarea ... were observed with stage 1 and 2. Otolith, stomach contents, gonad, fin and muscle samples were ...
Meeting Document : WG-SAM-2019/11 : Author(s): Delegations of the Republic of Korea and New Zealand
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ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN DIVISIONS 58.4.1, 58.4.2
for a number of consecutive years with the tagging of toothfish a prerequisite for the legal fishery ... of consecutive years with the tagging of toothfish a prerequisite for the legal fishery. This paper presents ...
Meeting Document : WG-SAM-08/04 : Author(s): D.J. Agnew, C. Edwards, R. Hillary, R. Mitchell (UK) and L.J. López Abellán (Spain)