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Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability
very low (3.5 g m-2) but rose significantly (P = 0.048) by mid-season (to 34.7 g m-2). In a pattern ... was less than that in the eastern box (80.4 g m-2). Analysis of mid-season western survey box transect ... off the central north coast of South Georgia mid-season revealed a krill density of 47.2 g m-2 that ... density to the south-west of South Georgia was 32.1 g m-2 mid-season. By March, krill density in the ...
Meeting Document : WG-EMM-01/15 : Autor(es): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)
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A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.
selecting among Fishing Options 2, 3, and 4 are tradeoffs between the risks to predator populations and ... . Implementation of Fishing Option 2 (using the subdivisions reported here) will require that the fishery mostly ... move, to a lesser extent than Fishing Option 2. Up to harvest rates defining the current trigger level ... Fishing Option 3 than for Fishing Option 2 because the former option requires slightly more fishing in ...
Meeting Document : WG-EMM-08/30 : Autor(es): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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Supervised and unsupervised (RapidKrill) estimates of krill density from DY098
produces a krill density of 8.60 gm-2, compared with 21.76 gm-2 (supervised) or 20.41 gm-2 (unsupervised ...
Meeting Document : SG-ASAM-2019/09 : Autor(es): A. Ariza, S. Fielding and R. Blackwell
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
on board longline, trawl and pot vessels in 2009/10. Longline Observations 2. A total of 31 longline ... undertaken in Subarea 48.4 by 2 vessels, three cruises was undertaken in Subarea 48.6 and Divisions 58.4.1 ... , 58.4.2, 58.4.3a and 58.4.3b by 3 vessels, 3 cruises were conducted by 2 vessels in Division 58.5.2 (one ... using the total numbers of hooks observed and the total observed seabird mortality (Table 2). Two ...
Meeting Document : WG-FSA-10/05 : Autor(es): Secretariat
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Krill biomass estimates for two survey boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year monitoring program
high and where numerous observations of elevated krill abundance have been made. Box 2 was located to ... caused by diel vertical migration. Echoes were integrated in 2 m depth bins from 2 to 250 m below the ... mm for box 1 and 32.0 mm for box 2 were determined. Thresholded (mvbs 120 kHz minimum-100 dB) 120 and ... 38 kHz) into those attributable to krill (δmvbs between 2 and 12 dB), small zooplankton (δmvbs > ...
Meeting Document : WG-EMM-96/18 : Autor(es): Watkins, J.L., Murray, A.W.A., Brierley, A.S.
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Current temperature conditions off South Georgia during recent years (satellite data on Subarea 48.3)
in 12.1989/03.1991 and 11.1999/04.2002 we have selected Cells 1 and 2 (2°x2° resolution, centered at ... anomalies in Cell 1 and 2 are calculated with precision of 0.01°C. Author(s): G.P. Vanyushin (Russia) Title ...
Meeting Document : WG-EMM-02/17 : Autor(es): G.P. Vanyushin (Russia)
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... sooty albatrosses P. fusca on Marion Island have decreased by almost 2% per year since 1996, continuing ... yellow-nosed albatrosses, 2 900 dark-mantled sooty albatrosses, 800 lightmantled sooty albatrosses, 750 ... northern giant petrels and 2 800 southern giant petrels, confirming the global importance of the Prince ...
Meeting Document : WG-EMM-10/P4 : Autor(es): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... sooty albatrosses P. fusca on Marion Island have decreased by almost 2% per year since 1996, continuing ... yellow-nosed albatrosses, 2 900 dark-mantled sooty albatrosses, 800 lightmantled sooty albatrosses, 750 ... northern giant petrels and 2 800 southern giant petrels, confirming the global importance of the Prince ...
Meeting Document : WG-EMM-10/P04 : Autor(es): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Report on Dissostichus mawsoni exploratory fishery research in East Antarctica (Divisions 58.4.1 and 58.4.2) between the 2011/12 and 2017/18 fishing seasons
block 5841_2 in 2017/18 (Figure 2) Progress toward the case-control estimation of effective tagging ... (Appendix 2) Report on Milestone 1.10 of WG-FSA-17/18 Rev. 1: ‘Initial integrated stock assessment models ... have been achieved as planned (Table 2). Reports relating to 2018 milestones (1.8, 1.9, 3.1 and 4.3 ... ) have been submitted as separate papers as indicated in Table 2. Author(s): P. Yates and P. Ziegler ...
Meeting Document : WG-FSA-18/58 Rev. 1 : Autor(es): P. Yates and P. Ziegler
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SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2010/11
410 000 tonnes (Tables 2 and 3, and Figure 1). The notifications are in Appendix 1. 2. The ... this matter is reported in SC-CAMLR-XXIX/3 (paragraphs 2.18 to 2. 21). 3. Following a request from WG ...
Meeting Document : CCAMLR-XXIX/19 : Autor(es): Secretariat