Résultats de la recherche
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Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002
Antarctic Survey regularly since 1996. Krill density in November was low (5 g m-2), higher in both the two ... surveys in January (46g m-2 and 72 g m-2) and had decreased to 12 g m-2 by May. Our repeated surveys at ...
Meeting Document : WG-EMM-02/39 : Auteur(s): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)
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Net-based verification of acoustic techniques used to identify Antarctic krill
' using an SDWBA-derived range for Sv120-3, (iii) '2 freq 2-16'- with an Sv120-38 range ... of 2-16 dB and (iv) '2 freq 2-12'-with an Sv120-38 range of 2-12 dB The '3 freq model ... freq 2-16' algorithms correctly identified all the aggregations as krill. However, different krill ...
Meeting Document : SG-ASAM-09/04 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)
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e-sc-xiii-a5.pdf
... -Krill 2 Review of Terms of Reference Future Organisation of Work OTHER BUSINESS ADOPTION ... (Invited Expert), S. Nicol (Australia) and J. Watkins (UK). 2 REVIEW OF FISHERIES ACTIVITIES ... Convention Area was, however, small: Subarea/ 1992/93 Total Catch % Division (tonnes) 41.3.2 2 506 ... surface currents were also available. 4.4 The krill data used were from the FIBEX, SIBEX 1 and SIBEX 2
application/pdf attached to:WG-KRILL-94Meeting Report : WG-KRILL-94
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GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH
of 30,050. Catch-weighted length frequencies indicated that icefish population was dominated by 2 ... the 1+ fish produced yield of 3445 tonnes in Year 1 (2008/09) and 2318 tonnes in Year 2 (2009/10). In ... Scenario 2, in which the 1+ fish were excluded and biomass adjusted accordingly, yields were 3372 and 2248 ... tonnes in Years 1 & 2 respectively. The Patagonian toothfish population was dominated by the same ...
Meeting Document : WG-FSA-08/28 : Auteur(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
Abstract: Data collected from the FN American Champion during Phases 1 and 2 of the experimental ... fit to CPUE and cumulative catch data from the Phase 2 depletion experiments did not have significant ... local abundances of P. spinosissima. Approximately 6000 crabs were tagged and released during Phase 2 ... and density were made for the area around Phase 2's third depletion square. The assumptions of ...
Meeting Document : WG-FSA-96/34 : Auteur(s): Watters, G.
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e-sc-xxiv-a5-appO.pdf
... and results of their completion and is available on the IMAF page of the CCAMLR website. 2. The ... observed mortalities was 56, and consisted of 6 (11%) yellow- nosed albatrosses, 1 (2%) wandering albatross ... Division 58.4.1 (8 birds) (Table 2). This was a 65% increase from the extrapolated 58 mortalities for ... reported from Ship 3 (53 birds) and Ship 6 (67 birds). In Division 58.5.1, 2 517 birds (57% of the total
application/pdf attached to:WG-IMAF-05 ad hocMeeting Report : WG-IMAF-05 ad hoc
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East Antarctica Planning Domain MPA Planning Reference Document #1: Draft MPA Report Part 1 – the Planning Domain and Candidate MPAs
planning domain and candidate MPAs (WG-EMM-14/48, Sections 1, 2, and 3), Part 2- Description of the ... provides the first part, with the following sections: (1) Introduction, (2) Objectives for the planning ... ) Identification of candidate MPAs, (6) Analysis of outcomes, (7) Data holdings at the Secretariat. Parts 2 & 3 ...
Meeting Document : SC-CAMLR-XXXIII/BG/38 : Auteur(s): Delegations of Australia and France
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Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz
) each transects krill AT. The weighted krill density was estimated to be 4.27 g/m 2 (CV=43.42%) applying ... (a) total krill AT and 4.17 g/m 2 (CV=44.23%) applying (b) each transects krill AT using swarm ... integration method and 3.70 g/m 2 (CV=43.83%) applying (a) total krill AT and 3.49 g/m 2 (CV=43.60%) applying ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Auteur(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
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e-sc-xxvi-a6.pdf
... IN THE CONVENTION AREA (see also Part II, paragraphs 6 to 44) Seabirds in longline fisheries I.2 ... , except for in the French EEZs in Subarea 58.6 and Division 58.5.1, in 2005/06 (Part II, Table 2). When ... be 2 257. This estimate includes 313 seabirds in Subarea 58.6 and 1 944 seabirds in Division 58.5.1 ... the Convention Area (Part II, Tables 2 and 3). I.3 The total number of seabirds observed caught and
application/pdf attached to:WG-IMAF-07Meeting Report : WG-IMAF-07
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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 : Auteur(s): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)