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e-sc-xvii-a4.pdf
... individuals/m2. In comparison with data from other years the abundance of larvae in 1997 was extremely high ... ends of South Georgia were calculated. In four of these years the density was higher at the eastern ... to half the population were in the size range of 39 to 47 mm 128 (3+ year class), no juveniles (1 ... % were in year class 3+. 4.18 WG-EMM-98/37 presented data on the population structure of krill sampled
application/pdf attached to:WG-EMM-98Meeting Report : WG-EMM-98
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A balanced model of the food web of the Ross Sea, Antarctica
levels are in close agreement with those derived from isotope and other ecosystems. In the balanced model ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... fixed at zero. Models such as this are highly under-constrained, with >3 times more parameters to fit ... %), components of the model. Trophic levels are in close agreement with those derived from isotope and other ... –47%), ледовые бактерии (61–72%) и ледовые 3 A balanced model of the food web of the Ross Sea ... - culated from this model, other models and with TLs estimated from stable isotope data. Finally, the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
rebuild the stock around South Georgia might be successful. Although reported catches in recent years have ... may indicate Lhat the stoc,:. has changed little wiLhin a 3 years per:iod even under low Iishi.ng ... around South Georgia might be successful. Although reported catches in recent years have been low, N ... Lhf> end of the 1960s Lhe c-,pecies 1,>as probably one of the most abun
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Autor(es): Kock, K.-H.
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Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
particularly apparent during the late guard to early crèche stages of chick rearing, coinciding with the timing ... differences between the two seasons included A5: foraging trip duration, A6: breeding success and A8: meal ... to the diet in 2003 but was only a minor component in 2001. Differences between years were ... period. Data on meal mass and foraging trip duration were combined to provide an index of provisioning ...
Meeting Document : WG-EMM-03/44 : Autor(es): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
Seal Island were conducted to identify and evaluate their foraging areas during early January 1990/91 ... . 2-3 km in horizontal distance) of higher densities (≥250g/m2). In the inshore foraging areas krill ... , in the inshore foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of ... nongravid krill, were dominant with occasional occurrences of juveniles (modal length 21 mm). In contrast ...
Meeting Document : WG-KRILL-92/27 : Autor(es): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)
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e-sc-viii-a6.pdf
... mortality (F0.1, Fmax, 2 x Fmax); • harvesting constantly at 50% F0.1 with an increase of F 3 or 5 years ... after a good recruitment; • pulse fishing at an interval of 3 years with no fishing in between; and ... estimated for the last two years when the fishery has been regulated may not be directly comparable with ... pattern of fishing has varied in recent years, with the effective age at first capture now at 2 years
application/pdf attached to:WG-FSA-89Meeting Report : WG-FSA-89
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Physical forcing in the southwest Atlantic: ecosystem control
temperature anomalies at lag periods of approximately 3 to 4 years. Crosscorrelation analyses with temperature ... temperature fluctuations in the Pacific, with the Pacific leading South Georgia by approximately 3 years ... periods appear to be prior to the breeding season during the summer and early autumn of the preceding year ... physical environment has been recorded since the early part of the last century. For example, ocean ...
Meeting Document : WG-EMM-04/34 : Autor(es): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
operations for Dissostichus eleginoides off South Georgia were assessed for interactions with seabirds and ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ... mother line was attended by one or two winchmen working a watch of c. 3 to 4 hours. As they came to the ... sampling of toothfish was taking place, and as far as possible to cover the early, middle and late stages ... hauling after setting of the line had continued into early daylight hours on 3 April: these were ... Longlining operations for Dissostichus eleginoides off South Georgia were assessed for interactions with ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Autor(es): Ashford, J.R. and J.P. Croxall
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Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
years, the change in estimated biomass arising from withholding data was much smaller, with values ... removing up to four years of the early tag data had little effect on the estimate of the initial biomass ... the effect of not updating an assessment every year, and also the evolution of stock assessments with ... assessments, when each extra year of withheld data represented a large contribution to the model. In later ...
Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)
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e-sc-xvi-a4-appD.pdf
... 20 years Year with least extreme VOGON 1982 1987 Mean of transformed index -0.7210 -1.4650 ... data collected under Method A1B (section 3, A1B, Figures 1 to 5) the different years should be more ... poor years. For this reason high values are not necessarily associated with good conditions. This ... across years should be developed with randomisation tests (paragraphs 4.7 and 4.8). 7.14 Indices
application/pdf attached to:WG-EMM-Stats-97Meeting Report : WG-EMM-Stats-97