Résultats de la recherche
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e-sc-viii-a6.pdf
... was set. In that year the TAC was almost fully taken, with reported catches of 34 632 tonnes. This ... 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 ... year may not reflect the age composition of catches in other years. According to Ricker this can lead
application/pdf attached to:WG-FSA-89
Meeting Report : WG-FSA-89
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Physical forcing in the southwest Atlantic: ecosystem control
periods appear to be prior to the breeding season during the summer and early autumn of the preceding year ... 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 ... physical environment has been recorded since the early part of the last century. For example, ocean ...
Meeting Document : WG-EMM-04/34 : Auteur(s): 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 ... 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 ... with CCAMLR conservation measures, lines were set at night, weights (6-7 kg) were set at 50 m ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Auteur(s): 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
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 ... 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 ...
Meeting Document : WG-SAM-11/17 : Auteur(s): 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 ... 1/(n-1) for two cases in a year with a sample of size n; (iv) test whether the correlation ... poor years. For this reason high values are not necessarily associated with good conditions. This ... sites in the same year, or ‘longitudinal’ using values from adjacent years, or a combination of both
application/pdf attached to:WG-EMM-Stats-97
Meeting Report : WG-EMM-Stats-97
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e-cc-v.pdf
... observations of lost or discarded fishing gear, binding materials or other man-made debris, with information ... with Article XIX. 3 of the Convention 33. The Commission took note that the implementation of Article ... in the time available. It noted, however, that the five-year period prescribed by Article XIX. 3 ... ends on 7 April 1987. In order to implement Article XIX. 3 in the 1987 budget year, the Commission
application/pdf attached to:CCAMLR-V
Meeting Report : CCAMLR-V
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Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle
found in catches throughout the year (Figure 4a). Females with gonads at maturity stage IV were ... about 10%. In the southern and eastern areas, only individual fi sh were found with mature gonads ... (i.e. by 3 years old) most C. gunnari migrate northwards, where they remain for most of the year ... 400 m in commercial catches. Fish distribution by depth varied throughout the year (Figure 3). In ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Auteur(s): Frolkina, Zh.A
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Rapport de pêcherie : Dissostichus eleginoides île Heard (division 58.5.2)
generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects ...
Document : Site Section: Publications
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Development of the Southern Ocean Continuous Plankton Recorder survey
schedule, travelling south on 110°E in early December and north on 150°E in mid-March each year, and will ... as early as July (midwinter). The large areal and temporal scale means that it is difficult to ... icebreaker Shirase in collaboration with the Japanese Antarctic programme. Shirase has a fixed route and time ... austral summers with 20, 31 and 26 tows, respectively. The 1999/2000 season included a unique, nearly ...
Meeting Document : WS-BSO-07/P4 : Auteur(s): Hosie, G., M. Fukuchi and S. Kawaguchi
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An assessment of the impact of krill fishery on penguins in the South Shetlands
. Compared with the level of biomass (≥200 x 10 3 tonnes) and its variability (the order of 100 x 10 3 ... constant (3 000 to 10 000 tonnes/10-day period) due to an increase in fishing intensity in areas closer to ... large as 200 to 1 500 x 10 3 tonnes within the preferred fishing areas during the breeding season ... tonnes/10-20-day period), the present catch rate (≤10 x 10 3 tonnes/1O-day period) is smaller by one or ... fishery began with a low catch in late December, followed by catches of 3 300 to 10 000 tonnes/lO-day ... about 3 to 25 km offshore, irrespective of annual conditions, i.e., even in a krill-poor year (AMLR ... Shetland Islands. 200, 1 000 and 3 000 m depth contours are shown. I / ~ ~ l I l / l I I / l EARLY ... within the preferred fishing areas during the breeding season. Compared with the level of biomass (2200 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Auteur(s): Ichii, T., M. Naganobu and T. Ogishima