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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 : Автор(ы): 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-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 ... , 3 of the Convention which requires that five years after the entry into force of the Convention ... with Article XIX. 3 of the Convention 33. The Commission took note that the implementation of Article ... to the plane of the net. 14 3. The gauge shall be inserted into the mesh opening either with a
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
(i.e. by 3 years old) most C. gunnari migrate northwards, where they remain for most of the year ... about 10%. In the southern and eastern areas, only individual fi sh were found with mature gonads ... Our studies revealed that the ecology of C. gunnari varied both within and between years and with ... fi sh spawned earlier, while in cooler years spawning occurred later. Thus, in 1987, which was ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Автор(ы): Frolkina, Zh.A
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Development of the Southern Ocean Continuous Plankton Recorder survey
the North Sea and North Atlantic Ocean. Sixty-five years later the CPR as a Type II version returned ... schedule, travelling south on 110°E in early December and north on 150°E in mid-March each year, and will ... the 1925–1927 Discovery Expedition, and has been used successfully for 70 years to monitor plankton in ... as early as July (midwinter). The large areal and temporal scale means that it is difficult to ...
Meeting Document : WS-BSO-07/P4 : Автор(ы): 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 ... Shetland Islands. 200, 1 000 and 3 000 m depth contours are shown. I / ~ ~ l I l / l I I / l EARLY ... Demer (1993). (3) Distribution of krill catches in the middle 10 days of March 1991. Impact of the ... about 3 to 25 km offshore, irrespective of annual conditions, i.e., even in a krill-poor year (AMLR ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Автор(ы): Ichii, T., M. Naganobu and T. Ogishima
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e-sc-xiv-a4.pdf
... Shetlands early in summer, to the South Orkneys later in summer and to South Georgia in autumn and winter ... and low pressure differences coincided with the years of good and poor krill recruitment respectively ... density with a smaller range) was suggested for the Antarctic Peninsula region, based on the 16-year span ... REPORT OF THE WORKING GROUP ON ECOSYSTEM MONITORING AND MANAGEMENT (Siena, Italy, 24 July to 3
application/pdf attached to:WG-EMM-95
Meeting Report : WG-EMM-95
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
role in the Ross Sea pelagic ecosystem (Marr, 1962; Azzali et al., 1999). To estimate the abundance of ... aggregations with similar shape, therefore visual separation of their echograms is difficult. The possibility ... of the net and to the net avoidance (Wiebe, 1972; Everson and Bone, 1986). This last bias affects ... an echo coming from an isolated organism, with no interference from noise or other targets. It means ...
Meeting Document : WG-EMM-01/63 : Автор(ы): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
the loss of existing marine habitats and to the creation of new habitats, with consequent changes in ... - ed to be felt across the Antarctic as the ozone hole heals, with a predicted warming of about 3°C ... of the George VI ice shelf (67.840°W 71.692°S) which lost ~993 km2 over a number of years between ... closed some 23 years later. No com- mercial catch has ever been conducted east of the Antarctic ... will lead to the loss of existing marine habitats and to the creation of new habitats, with consequent ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Автор(ы): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock
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e-sc-xi.pdf
... , Poland, who died on 3 March 1992 after a long illness. Wieslaw made great individual contributions to ... incidental mortality, CCAMLR Scheme of International Scientific Observation, cooperation with other ... Management Measures on Krill Fishing Liaison with WG-CEMP Advice on Krill Fisheries ... Management of Fish Stocks Considerations of Ecosystem Management Interactions with WG-Krill
application/pdf attached to:SC-CAMLR-XI
Meeting Report : SC-CAMLR-XI
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