Resultados de la búsqueda
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
this index has proven unsuitable for a number of reasons, an alternative method of calculating an index ... between these two utilisers of the krill resource and is based on a detailed model of penguin foraging ... in their breeding season (December to March) as an index of overlap between the potential foraging ... chinstrap penguins is much greater than for other penguins, and that this overlap has been decreasing since ...
Meeting Document : WG-EMM-Stats-96/06 : Autor(es): Phegan, G., Agnew, D.J.
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Elaborating a representative system of marine protected areas in eastern Antarctica, south of 60°S
Abstract: The plan of implementation for Agenda 21 of the United Nations World Summit on ... Sustainable Development (2002) requires an estate of marine protected areas for the purposes of long‐term ... paper, we develop a proposal for a RSMPA in eastern Antarctica for the region between 30 o E and 150 o E ... . A process for updating the boundaries as new information becomes available is proposed. An important ...
Meeting Document : WG-EMM-10/26 : Autor(es): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
Abstract: An analysis of spatio-temporal variability of CPUE indices in the krill fishery in ... subarea 48.1 by years and small-scale management units, including inter-annual, monthly and inter-vessel ... using the standardized CPUE indices as krill biomass density indices for monitoring the variability of ... biomass during the fishing season did not decrease and even often increased there. The latter is an ...
Meeting Document : WG-EMM-17/27 : Autor(es): S. Kasatkina S. and L. Boronina
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Winter distribution and condition of Antarctic krill in relation to sea-ice and water column production in the South Shetland Islands during Austral Winter 2013
stations around the South Shetland Islands during a 30 day cruise between 10 August and 9 September 2013 ... Bransfield Strait, associated with the high concentrations of krill, an area targeted by the krill fishery in ... recent years. Species of note included Crabeater seals, Antarctic fur seal (sub-Adults), Leopard seal ...
Meeting Document : WG-EMM-14/13 : Autor(es): C.S. Reiss, J. Walsh, K. Dietrich and J.A. Santora (USA)
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WG-SAM-08
Meeting documents Doc Number Title WG-SAM-08/01 Agenda for the Working Group on Statistics, Assessments ... /03 List of documents WG-SAM-08/04 ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN ... ) WG-SAM-08/05 EXPLORATORY ASSESSMENT METHODS FOR EXPLORATORY FISHERIES: AN EXAMPLE CASE USING CATCH ... MINIMISE RISK OF LOCALISED IMPACTS ON KRILL PREDATORS A. Constable (Australia) WG-SAM-08/16 AN ECOSYSTEM ...
Meeting
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WG-IMAF-11
to trial daylight setting on longliners fishing for Dissostichus eleginoides for a 10 day period ... Full Name: Working Group on Incidental Mortality Associated with Fishing Location: Hobart ... observations in the CAMLR Convention Area for 2010/11 Secretariat WG-IMAF-11/06 Summary of scientific ... -11/07 Proposal to allow daytime setting of longlines between 15 and 30 April in the Patagonian ...
Meeting
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Environment–krill relations in the South Georgia marine ecosystem
variability and it is only recently that physical datasets have been generated for the Southern Ocean. In this ... northeastern Scotia Sea around South Georgia for the period from 1974 to 1992. These indices were examined in ... be a useful index for some regions. Associations with ice-edge position and atmospheric components ... were only expressed strongly in years of extreme conditions. The correlation with water temperature was ... longitudes 20°, 30°, 40' and 50°W. For the period 1973 to 1989, a further sea-ice dataset was available ... the manuscript and Dr J.P. Croxall, Prof. Antezana and Dr S. Nicol for valuable comments on an ... : (a), (b), (c) - in the same year; (d) - ice-edge position at 30°W averaged for December-January and ... varied greatly between years. The very high values obtained for the mean number of fishing days during ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Autor(es): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Fish by-catch in the krill fishery: 2016 update
Abstract: Data on fish bycatch in the krill from Commercial catch data (95 513 hauls) and CCAMLR ... -catch in a 300 000 t krill fishery would be 370 t, comprising 40% Champsocephalus gunnari and 30 ... % Lepidonotothen larseni. The length-frequency distribution of all taxa for which >100 fish were measured had ... of both an increase in the data quality from the observer scheme, as reflected in the reduced ...
Meeting Document : WG-FSA-16/04 : Autor(es): CCAMLR Secretariat
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MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA
conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years; in the ... empirically derived estimates of both the magnitude and timing of recruitment in each year showed the greatest ...
Meeting Document : WG-EMM-08/48 : Autor(es): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
predominantly on krill. An index of condition which uses the ratio of the measured total mass to the estimated ... 1997 Abstract / Description: Mackerel icefish (Champsocephalus gunnari) are widespread on the South ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ... account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we envisage two ... were used to derive an estimated mass for each fish ( and K,,). Two condition indices were calculated ... except the two months prior to spawning. Depending on locality, that will mean that except for the ... commercially since the early 1970s. They are known to feed predominantly on krill. An index of condition which ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Autor(es): Everson, I. and K.-H. Kock