Resultados de la búsqueda
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Occurrence of Antarctic krill (Euphausia superba) concentrations in the vicinity of the South Shetland Islands: relationship to environmental parameters
(Euphausia superba) concentrations were studied in the waters north of the South Shetland Islands, a major ... krill fishing ground in the Antarctic, during the 1990/1991 austral summer. From early to mid-summer ... krill density increased and showed distinct offshore-inshore differences in abundance and maturity ... stages. In mid-summer, krill density was low in the oceanic zone (8 g m –2, and higher in the slope ...
Meeting Document : WG-EMM-98/18 : Autor(es): T. Ichii, K. Kayatama, N. Obitsu, H. Ishii and M. Naganobu (Japan)
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ENCOUNTERS WITH VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA
Abstract: So far in 2008/09, the Secretariat has received 30 VME-indicator notifications from ... , 5.1-10.4 VME-indicator units per segment, depth 1272-1694 m). No notification has been made in ... relation to fishing in Divisions 58.4.1, 58.4.2 and 58.4.3b. The notifications resulted in the declaration ... of seven risk areas in Subareas 88.1 and 88.2, and one VME FS rectangle was identified in Subarea ...
Meeting Document : WG-EMM-09/08 : Autor(es): Secretariat
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... data collected on toothfish and the associated bycatch by all vessels participating in the fishery. All ... SSRUs in the two subareas except for 881D and 882C have now been fished. The 2007 D. mawsoni catch was ... being slightly exceeded in the 2006 season, and two catch limits exceeded in the 2007 season. Although ...
Meeting Document : WG-FSA-07/28 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Comparison between the CCAMLR-2000 and KY 1988 surveys on environmental variability of krill in the Scotia Sea, Antarctica
Japanese R/V Kaiyo Maru Survey in the 1987/88 austral summer season in the Scotia Sea. There were distinct ... krill distribution. The sea ice cover in 1987/88 extended northward widely during the last winter season ... such that sea ice remained around the South Orkney Islands until December 1987. In contrast, the sea ... ice cover in 1999/2000 reduced southward such that no sea ice remained around the South Orkney Islands ...
Meeting Document : WG-EMM-02/43 : Autor(es): M. Naganobu (Japan), M. Brandon (United Kingdom), K. Ito, K. Segawa (Japan) and V. Siegel (Germany)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13
biological aspects and catch of Antarctic toothfish for the period 1997–98 to 2012–13. In 2012–13, all the ... in recent years, the remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2H. Unstandardised ... Antarctic toothfish CPUE in the Ross Sea and Subarea 88.2 fisheries have fluctuated over the past 10 years ... with no trend. A standardised CPUE analysis in the Ross Sea fishery showed an increase to 2008 followed ...
Meeting Document : WG-FSA-13/48 : Autor(es): S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
Abstract: Changes in the Antarctic ecosystem have been triggered by anthropogenic and natural ... factors. This paper reviews the scientific information of whales that could be indicative of changes in ... the East Antarctica ecosystem in the context of two hypotheses, the ‘krill surplus’ hypothesis in the ... whale, which had not been exploited on a large scale. A review of the scientific information in East ...
Meeting Document : WG-EMM-16/64 : Autor(es): Y. Fujise and L.A. Pastene
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2013–14
biological aspects and catch of Antarctic toothfish up to an including the 2014 season. In 2014, the Ross Sea ... . As in recent years, the remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2H ... . Unstandardised Antarctic toothfish CPUE in the Ross Sea and Subarea 88.2 fisheries have fluctuated over the past ... 12 years with a slight decline in the past two years. Length frequency distributions of Antarctic ...
Meeting Document : WG-FSA-14/52 : Autor(es): M. Stevenson, S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05
eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on ... 3477 t against a catch limit of 3625 t. The catch limit was almost reached in Subarea 88.1 and exceeded ... in Subarea 88.2. D. mawsoni was the dominant catch in all 11 SSRUs fished. The main bycatch species ... has clearly demonstrated the strong influence of ice on this fishery. In 2001, 2003, and 2004, ice ...
Meeting Document : WG-FSA-05/29 : Autor(es): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ... of data collected on toothfish and the associated bycatch by all vessels participating in the fishery ... . All SSRUs in the two subareas except for 88.1D and 88.2C have now been fished. The 2008 D. mawsoni ... catch limit being slightly exceeded in the 2006 season, two catch limits in the 2007 season, and none in ...
Meeting Document : WG-FSA-08/22 : Autor(es): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
biomass and what is its value. The hydroacoustic observations were done in the time when investigated area ... December- January). The process of ice melting began in mid November, near Ross Ice Shelf (so called ... polynia area) and moved towards North. All the time daytime was prevaled. Krill in aggregations both below ... ice and in ice free water was observed but below ice were rather single ones. Because in the same time ...
Meeting Document : WG-EMM-97/53 : Autor(es): Kalinowski, J., Azzali, M.