Search results
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
Abstract: Using two different surface geostrophic filed data (A-1: without and A-2: with temporal ... 2-year simulation. From the result of the BB region, while strong self retention on the BB was ... observed in the experiment A-1, the majority of particles were advected eastward in the experiment A-2. A ... experiment A-2 because of effects of temporal eddy activities. In the northern continental slope region, most ...
Meeting Document : WG-FSA-2019/63 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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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 : Author(s): J. Watkins and S. Fielding (United Kingdom)
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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 : Author(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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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... data from the Phase 2 depletion experiments did not have significant negative slopes. The insignificant ... tagged and released during Phase 2. Four of the tagged crabs were recovered, and these crabs were at ... miles/day. Mark-recapture estimates of standing stock and density were made for the area around Phase 2 ... Clzainpion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... catch data from the Phase 2 depletion experiments did not have significant negative slopes. The ... 000 crabs were tagged and released during Phase 2. Four of the tagged crabs were recovered, and these ... area around Phase 2's third depletion square. The assumptions of the mark-recapture model were ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G
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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 : Author(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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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 : Author(s): Delegations of Australia and France
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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 : Author(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:Ad Hoc WG-IMAF-05Meeting Report : Ad Hoc WG-IMAF-05
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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