Search results
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Some notes on by-catch of fishes and salps caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (January to February 1999)
fisheries by F/V Niitaka Maru were made from 3 January to 4 February 1999 in the vicinity of the South ... Chaenodraco wilsoni were found in 4 trawl catches. On the contrary, salps were captured as by-catch in 69 ... macrura and Euphausia superba was not found in their stomachs. Abundance of salps in krill catches could ... (>2500 ind./t of krill) occurred in hauls with the low krill catch rates (Author(s): T. Iwami, S ...
Meeting Document : WG-EMM-00/54 : Author(s): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
) in the West Antarctic Peninsula/Scotia Sea area. According to this scientific paper, Adélie and ... chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... South Shetland Islands. This is consistent with the declines in both species throughout the Scotia Sea ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this ...
Meeting Document : CCAMLR-XXX/BG/21 : Author(s): Submitted by ASOC
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SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION
South Georgia and Shag Rocks shelves in January 2009. The results show that the diet of this normally ... low in Antarctic krill (7 % IRI) compared with similar data for the same month in 2004-2006. The ... occurrence of krill in the diet with earlier data sets (1967-1992) show that 2009 is not unique, as similarly ... poor krill years occurred in 1969, 1978 and 1991. Spatial analysis of icefish diet indicates ...
Meeting Document : WG-EMM-09/27 : Author(s): M.A. Collins and C.E. Main (United Kingdom)
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A PROPOSAL TO AMEND CONSERVATION MEASURE 21-03 WITH REGARDS TO THE USE OF NEW FISHING GEAR IN THE KRILL FISHERIES (AND SUBSEQUENT AMENDMENT TO CONSERVATION MEASURE 21-01)
Abstract: At CCAMLR XXVI there was significant discussion in the Commission regarding a ... notification to conduct pair trawling operations in the krill fisheries in the 2007/08 season. During the ... discussion it was suggested that as the pair trawling method had not previously been used in the CCAMLR Area ... and there were no established data collection and analysis methods, the use of pair trawling in the ...
Meeting Document : CCAMLR-XXVII/36 : Author(s): Delegation of Australia
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Preliminary results from the Argentine tagging program for the Patagonian toothfish in the south-western Atlantic
Abstract: A Tagging Program for Patagonian toothfish in the longline Argentine fishery outside ... migration of Patagonian toothfish in order to increase biological knowledge on the species and improve ... resource management in the South-Western Atlantic Ocean. The program started in 2004 and some 4900 juvenile ... Development (INIDEP). The chosen tag was an orange standard anchor T-bar tag, similar to those used in other ...
Meeting Document : WG-SAM-12/32 : Author(s): P.A. Martínez, J.A. Waessle and O.C. Wöhler (Argentina)
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Characterising catch and effort from data-poor toothfish fisheries in CCAMLR Divisions 58.4.3 – 58.4.4
effort in Divisions 58.4.4a, 58.4.4b, 58.4.3a and 58.4.3b is presented. Information analysed corresponds ... to fishing logbooks recorded in the exploratory fisheries carried out between July 2000 and March ... 2012. During this period, a total of 9 countries registered fishing operations in which 1811 sets were ... Bank) accumulated the highest proportion of allocated effort in which a total of 948 sets (52\%) were ...
Meeting Document : WG-SAM-13/41 : Author(s): J.C. Quiroz, R. Wiff (Chile) and P. Martinez (Argentina)
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A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound
through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... abundance of Antarctic toothfish. A pilot season was carried out in 2014, where sampling gear and ... methodology for a standardised hook and line survey were trialled in McMurdo Sound. Data collected will be ... mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ...
Meeting Document : WG-FSA-15/33 : Author(s): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)
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ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON
March 2008 a total of 36 entangled seals were observed. Sixteen and 20 entanglements were observed in ... proportion of entanglements were in sections of fishing net (40%). Packing bands were the second most ... abundant entangling material in both summer (38%) and winter (25%). The majority of entanglements (78 ... %) involved juveniles (including pups and sub-adults), comprising 88% in winter and 65% in summer. Data for ...
Meeting Document : WG-FSA-08/27 : Author(s): E.W.J. Edwards (UK)
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A method to evaluate selection of Antarctic krill in towed fishing gears
Abstract: The pelagic trawlers involved in the fishery for Antarctic krill (Euphausia superba ... traditionally collected during timely and costly fishing experiments in the field where one design is tested at ... the morphology of the species in quest and the shapes of the relevant mesh types, to predict the size ... selectivity by mathematical modeling. After making modifications with the procedures in FISHSELECT to ...
Meeting Document : WG-EMM-13/34 : Author(s): L.A. Krag, B. Herrmann (Denmark), S. Iversen, A. Engås, S. Nordrum and B.A. Krafft (Norway)
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Inter-annual variability in krill density at South Georgia: 1997–2012
Abstract: Antarctic krill (Euphausia superba) are a key species in Southern Ocean ecosystems ... , maintaining very large numbers of predators, and fluctuations in their abundance can affect the overall ... structure and functioning of the ecosystems. The inter-annual variability in the abundance and biomass of ... krill was examined using a 15 year time series of acoustic observations undertaken in the Western Core ...
Meeting Document : WG-EMM-13/14 : Author(s): S. Fielding, J.L Watkins, P. Trathan, P. Enderlein, C. Waluda, C. Goss, G. Stowasser, G. Tarling and E. Murphy (United Kingdom)