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Observation on interactions between marine mammals and krill mid-water trawl
carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... Arctocephalus gazella were observed around the vessel during the vessel fishing in the Subarea 48.3, no ... identified marine mammal was observed in the main body of trawl net. There was no marine mammal by-catch ... and krill mid-water trawl Microsoft Word File: sc-38-bg-20.docx Approval: Approved Secretariat ...
Meeting Document : SC-CAMLR-38/BG/20 : Автор(ы): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007
years in which no fisheries related debris was observed, one nylon fishing line and one snood were found ... Island, South Georgia (covering the period 1 October 2006 to 30 September 2007) a total of 365 items were ... collected. This represents a reduction by 33% on the 544 items recorded in 2005/06 and a decrease in mass of ... previous years: 73% during summer (265 items) and 27% during winter (100 items). After three consecutive ...
Meeting Document : WG-FSA-08/24 : Автор(ы): F. Le Bouard (UK)
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Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island
than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... last 40 years has increasingly focused on their conservation status. Demographic trends of the ... effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ...
Meeting Document : WG-FSA-04/50 : Автор(ы): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)
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The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)
Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... Abstract: The most abundant icefish species observed in catches off the northern tip of the ... Joinville – D’Urville Islands (CCAMLR Statistical Subarea 48.1) and in the Cosmonauts and Cooperation Seas ... and Prydz Bay in the Indian Ocean sector (CCAMLR Statistical Division 58.4.2). This paper presents new ...
Meeting Document : WG-FSA-07/P1 : Автор(ы): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))
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The Antarctic toothfish: how common a prey for Weddell seals?
common (as evidenced by more than 30 years of sustained research projects on that toothfish population ... Antarctic toothfish (Dissostichus mawsoni) in McMurdo Sound, Antarctica, during 2001-2003 austral summers ... . In addition to past reports of isolated toothfish captures, the frequency of these observations and ... Weddell seals, and that the recent development of a toothfish fishery in the Ross Sea may have broader ...
Meeting Document : WG-EMM-07/P4 : Автор(ы): P.J. Ponganis and T.K. Stockard (USA)
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Aspects of the ecology of the bigeye grenadier at South Georgia
over 30 years and attaining lengths in excess of 80cm (Lt). Von Bertalanffy growth parameters were ... in the Patagonian toothfish longline fishery conducted around South Georgia were investigated. Age ... ) and occurred at around 9 years old. Estimates of natural mortality and Pauly’s growth performance ... between 22 and 55% likely to be spawned each year. Absolute fecundity ranged from 22,000 to 260,000 eggs ...
Meeting Document : WG-FSA-03/16 : Автор(ы): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)
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Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands during the 1994/95 austral summer
, were found in 20 trawl catches. Juvenile or adult notothenioid fishes were never found in a random ... of 1995 (from 30 January to 18 February) on board F/V Niitaka Maru to the north of the South Shetland ... of by-catch fishes was higher in krill hauls with the low catch rates. Author(s): Iwami, T. Title ...
Meeting Document : WG-EMM-95/56 : Автор(ы): Iwami, T.
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
increasing trend during the last 6 years, increased from 20.22 g m-2 in December 2013 to 70.13 g m-2 in ... Abstract: Metadata for krill biomass time series obtained by Chinese krill fishing vessel in ... . Distribution of Antarctic krill for the 2013/14 to 2015/16 and the 2017/18 to 2018/19 fishing seasons were ... the South Shetland Islands, one of the major fishing ground for Antarctic krill in Area 48. Acoustic ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Автор(ы): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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Tendencias de la biomasa de Dissostichus eleginoides (Smitt, 1898) en la Subarea 48.3 (1992–1997)
split years 1992 to 1997, was estimated using the Sequential Population Analysis (SPA) model based in ... used and for the aplication of SPA the non-lineal function of Solver in Excel was used. The results ... show descent trends in Total, Fishable and the Spawning Biomass. This last part of the population is ... actually (1997) very close to the 20% of the initial (1992) spawning biomass. An aproximation of the future ...
Meeting Document : WG-FSA-97/43 : Автор(ы): Moreno, C.A., Rubilar, P.S., Zuleta, A., Young, Z.
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An examination of variance and sample size for female Antarctic fur seal trip durations
sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... at 40 females. Based upon my results I propose incorporating some flexibility in sample size and ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year to ...
Meeting Document : WG-EMM-99/45 : Автор(ы): M.E. Goebel (USA)
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