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1. Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006

   -2. B0 was estimated to be 12.46 million tonnes with a CV of 15.15%. Krill were widely distributed at ... relatively low densities throughout the survey area; only 13% of the 2-km-alongtrack echo-integration ... intervals were devoid of krill, 50% of intervals registered densities of 1 g m-2 of krill or less, and 80 ... % of intervals registered densities of 10 g m-2 or less. Mean densities were highest in the waters to ...

   Meeting Document : WG-EMM-07/33 : Автор(ы): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)

2. e-sc-xxviii-a7.pdf

   ... 58.5.1, during the 2008/09 season (Tables 2 and 3). 3.2 The proportions of hooks observed ranged from ... 14 to 99% with an average of 48% (Table 2). 3.3 The total extrapolated seabird mortalities due to ... (including the French EEZs) were estimated to be 521 (Table 4). These consisted of 2% albatrosses (1% grey ... ), 2% northern giant petrels (Macronectes halli) and 1% Cape petrels (Daption capense). It should be application/pdf attached to:WG-IMAF-09

   Meeting Report : WG-IMAF-09

3. Proposed work schedule for 2013 meeting of WG-EMM

   subgroups and make their plans Item 2.1 (Krill issues present) Tue (2 July) Items 2.1 (Krill issues present ... item 2. Thu (4 July) Item 3.1 (MPAs) Fri (5 July) Item 3.1 (MPAs) and 3.2 (VMEs). Wrap up item 3. Week ... 2 (plenary discussions occurring every day) Mon (8 July) Remaining Items (4, 5, 6) and Preparation ...

   Page : Site Section: Meetings

4. A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998

   Abstract:  A random stratified trawl survey of Mackerel icefish in 2 populations (Plateau and ... Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ... population. Unlike the previous 3 years, the Age 2 cohort in 1998 is very weak and is expected to contribute ... little to the biomass in subsequent years. If recruitment to Age 2 in 1999 is also weak then the fishery ...

   Meeting Document : WG-FSA-98/54 : Автор(ы): A. Constable and D. Williams (Australia)

5. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   South Georgia. Krill density in the western box in the early-season survey was very low (3.5 g m-2) but ... rose significantly (P = 0.020) by midseason (to 34.7 g m-2). In a pattern that is consistent with ... in the eastern box (80.4 g m-2). Analysis of transect data obtained in the western box in the ... -2 that was intermediate between the eastern and western areas. The size structure of the krill in ... box in the early-season survey was very low (3.5 g m-2) but rose signifi cantly (P = 0.020) by mid ... - season (to 34.7 g m-2). In a pattern that is consistent with observations from previous years, krill ... density in the western box in the mid-season survey was less than that in the eastern box (80.4 g m-2 ... of South Georgia in mid- season revealed a krill density of 47.2 g m-2 that was intermediate between ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Автор(ы): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

6. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... % confidence limits <15 g m-2). For five of the summers between 1990 and 1998 it was possible to calculate ... fluctuated widely from year to year over that time, ranging from =2 to =l50 g m-2 (fresh mass). The 1982 ... annee, entre "2 et "150 g me2 (poids vif). Les saisons d'ete austral de 1982,1991 et 1994 se ... l'intervalle de confiance 5 95% 2). Pour cinq des et& de 1990 B 1998, il est possible de calculer des ... IIepMoAoB C 1981 KO 1998 r. B TeqeHHe 3TOr0 IIepHOAa nnOTHOCTb KpHnX y OCTpOBa MeHXJlaCb OT =2 ,Q0 =l50 r ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Автор(ы): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

7. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

   (January 1993) and biomass densities range from 2.5 g/m 2 to 134.5 g/m 2. Average biomass and average ... density over the 13-year period were 1 703 x  103 tonnes and 53.2 g/ 2. File:  01hewitt-demer.pdf ... OqeHKH IIJIOTHOCTH ~ H O M ~ C C ~ I HaXOjqIITCR B IIpeAenaX OT 2,s r/M2 no 134,s r/M2. CP~AHRII 6 a o ... krill target strength (-37.70 dB/kg for 40 to 45 mm krill, Hewitt and Demer, 1993 - Table 2) results in ... , estimated biomass densities of krill in the Elephant Island area decreased monotonically from 134 g / m 2 ... to 67 g / m 2 over the course of six surveys conducted from mid-January to mid-March 1993 (Hewitt ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Автор(ы): Hewitt, R.P. and D.A. Demer

8. 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 : Автор(ы): 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)

9. 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 : Автор(ы): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

10. e-sc-xxv-a5-appD.pdf

    ... records of all activities planned and is available on the IMAF page of the CCAMLR website. 2. The ... seabird mortalities during longline fishing operations in 2005/06 were estimated to be 2 589. This ... estimate includes 235 birds in Subarea 58.6 and 2 352 birds in Division 58.5.1. For the first time no ... Area during the 2005/06 season (WG-FSA-06/36 Rev. 2). 9. The Working Group noted that the proportions application/pdf attached to:Ad Hoc WG-IMAF-06

    Meeting Report : Ad Hoc WG-IMAF-06

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