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1. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

   comprised two year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of ... 2001/02 year class lasted four months. This was estimated based on a retrospective count of daily ... increments. TL varied from 5.5 to 10.4 cm for fish in their first year (120–250 days) to 12.5–13.3 cm in 1 ... -year-old fish (477–533 days). The radius of the first annulus ranged from 0.7 to 1.3 mm. The ... the 1999/2000 (5 speci- mens) and 2000/01 (20 specimens) split-years. The 1999/2000 year class ... survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fi sh comprised two year ... used for age–growth analyses. One otolith of each pair was immersed in an alcohol–water solution ... which the year is de- fi ned as the period from 1 July to 30 June of the next year (Shcherbich, 1975 ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Автор(ы): Shcherbich, L.V

2. e-cc-xxv.pdf

   ... numbers over the past 20 to 30 years and that winter sea-ice conditions had opposite effects on these two ... Committee activities ............................................................ 20 Reorganisation of the ... Compliance evaluation procedure......................................................... 30 CATCH ... ............................................... 77 IMPLEMENTATION OF THE OBJECTIVES OF THE CONVENTION ............... 80 ELECTION OF CHAIR AND application/pdf attached to:CCAMLR-XXV

   Meeting Report : CCAMLR-XXV

3. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

   sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... functions are able to correctly determine the sex of birds with greater than 80% success the difference ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ... discriminant function to determine sex is recommended as being most practically robust. Author(s):  D.J. Agnew ...

   Meeting Document : WG-CEMP-92/11 : Автор(ы): D.J. Agnew (Secretariat)

4. Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2

   coordinates as those on previous R/V ' Polarstern ' surveys around Elephant Island (Kock & Jones ... the R/V ' Yuzhmorgeologiya ' (Jones & Kock, 2009). The cruise took place 6-27 January ... , 2018, primarily using a Hardbottom Snapper trawl (NET Systems, Inc.), previously used by the US AMLR ... marks registered in the echo sounders. One of the mid-water hauls identified a shoal of icefish (33.6 t ...

   Meeting Document : WG-SAM-18/25 : Автор(ы): Delegation of Chile

5. Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)

   extension (26–30 April). One vessel caught two seabirds. The average catch is therefore 0.4 birds per ... (South Georgia) 56 S 52 30' S 33 30' W SGSR stock area 2000m 1000m shagW shag NWgeorgia ... total of three seabirds is caught during the two extension periods in any one season, fishing shall ... April). One vessel caught two birds. The average catch is therefore 0.4 birds per vessel. The ...

   Document : Site Section: Publications

6. Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996

   around South Georgia were compared with data reported to CCAMLR and held in CCAMLR's longline ... to be missing from the CCAMLR database. One instance was identified of multiple hauls being submitted ... the two datasets, with many of the records for individual fields being identical. The number of ... in reporting bycatch and incidental mortality of birds. Author(s):  Parkes, G.B., Pearce, J., Agnew ...

   Meeting Document : WG-FSA-97/37 : Автор(ы): Parkes, G.B., Pearce, J., Agnew, D.J.

7. Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6

   tonnes north of 60°S and 200 tonnes south of 60°S. Carry forward Season 1 December to 30 November ... per vessel during daytime setting. Carry forward Observers At least two (2) scientific observers, one ... using longlines only, and no more than one vessel per country was permitted to fish at any one time ... (Conservation Measure 41-04). The precautionary catch limit for Dissostichus spp. was 200 tonnes north of 60°S ...

   Document : Site Section: Publications

8. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   ~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... catch damage was two-fold less with the use of the new system (Figure 3). One important observation ... why the Chilean fishery authorities began to implement the NPOA- Seabirds. Two years after the ... (Dissostichus����i�oi��s ����i�oi��s����i�oi��s) с использованием трот-ярусов. Эта модифицированная кустарная ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Автор(ы): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

9. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   greater than zero if the assumed value is greater than the “true” one. File:  04-Gasyukov-and ... and is close in its shape to normal distribution of the values close to the "ideal" one. Two ... , -0.030] : -0.062 -0.047 [-0.177 ; 0.009] 80 , 60 ~il=:1,0 40 20 i I - 0,4 -0,3 - 0,2 - 0,1 ... Frolkina and Dorovskikh, 1990). Age composition of the catches, Ca.)!, for a series of years and ... - number of age groups; Yk - number of fishing years; M - natural mortality rate; Wa,y or Wa - mean ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Автор(ы): Gasyukov, P.S. and R.S. Dorovskikh

10. Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013

    , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... . Hence, only the densest krill swarms detected in any one year drove the mean krill density estimates for ... the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... -2010) of low density (µ < 30 g m-2). This pattern showed three different periods, with fluctuations ...

    Meeting Document : WG-EMM-14/P04 : Автор(ы): S. Fielding, J. Watkins, P. Trathan et al.

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