Resultados de la búsqueda

1. Otolith chemistry reflects frontal systems in theAntarctic Circumpolar Current

   Author(s):  J.R. Ashford, A.I. Arkhipkin and C.M. Jones Title:  Otolith chemistry reflects frontal systems in theAntarctic Circumpolar Current Approval:  Approved

   Meeting Document : WG-FSA-08/P4 - Article : Autor(es): J.R. Ashford, A.I. Arkhipkin and C.M. Jones

2. Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE

   recruitment age and greater. This calculation needed to be made general to allow for many years younger than ... fish at the nominated ‘recruitment age’ (age 4 for toothfish) in each year. The first year in the time ... . This was coded specifically for the case of surveys observing fish of ages one year younger than the ... of reviewing the methods for estimating the time series of recruitments of D. elegionoides for WG-FSA ...

   Meeting Document : WG-FSA-04/91 : Autor(es): A.J. Constable (Australia)

3. Fish by-catch in the krill fishery: 2017 update

   Abstract:  Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls ... ) and CCAMLR SISO data (20 766 hauls) up to 1 Sept 2017 was used to examine the frequency of occurrence ... evidence of  an increase in the data quality from the observer scheme,  as well as an increase in the ... frequently reported in both datasets. The length-frequency distribution of all taxa for which >200 fish ...

   Meeting Document : WG-FSA-17/04 : Autor(es): CCAMLR Secretariat

4. Variation of ice edge position in western part of Atlantic sector of the Antarctic

   position was found to increase from the west to the east. Described is two-year cyclicity of consecutive ... of the Antarctic derived on each tenday period basis has been used to analyse its spatial and ... temporal variation in the area between 65° and 20°W. Amplitude of the seasonal variation of the ice edge ... and distribution of the ice edge were calculated for various meridians. Compared to the thirties, the ...

   Meeting Document : SC-CAMLR-VIII/BG/49 : Autor(es): Delegation of USSR

5. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

   155 786 km 2 was estimated to be 1.8225 x 10 6 tonnes (Coefficient of Variation = 9.5%). This gives an ... Analogue echo-integrator was used for the study. The echosounder was calibrated on 22 November and 23 ... . An estimate of the mean bottom depth was available for each section. The CTD profiles collected at ... estimation of variance on this basis meaningless. For the variance of the final estimate to be a minimum ... was obtained for an area approximately 1.63 x 105 km2, which compares with the 1.56 x 105 km2 used in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Autor(es): Murphy, E., I. Everson and A. Murray

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

   the results were strongly dependent on the informative priors for the two catchability parameters ... under way for four years in Subarea 48.3. Progress has been made on the assessment, however, this is ... them by, on average, 3.6% over the reported figures for that year. The resultant catch series is ... 100 tonnes respectively, with an overall catch limit for SGSR of 3 000 tonnes. The total declared ...

   Document : Site Section: Publications

7. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/87 1987/88 1988/90 1989/90 ... area and depth strata. 9. An estimate of the one-sided lower 95% CI of biomass was calculated for the ... bounds on cohorts. 5 ANI 48.3 Table 4: Results generated from CMIX for the truncated length ... 14. A knife-edge selectivity vector was used for C. gunnari, starting at 2.5 years and fully ...

   Document : Site Section: Publications

8. Fishery Report: Champsocephalus gunnari (ANI) South Georgia (Subarea 48.3)

   projection of yield (tonnes) for 2012 (year 1) and 2013 (year 2) was completed in WG-FSA-11/30 and produced ... fishing season was from 1 December 2011 to 30 November 2012 and the catch limit for C. gunnari was 3 072 ... penguins (WG-FSA-08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish ... rapid and marked decline in krill abundance in the region. This, in turn, had an impact on predator ...

   Document : Site Section: Publications

9. Marine debris collected at Cape Shirreff during the Antarctic season 2000/01

   51% of the total identified items. For the first time it was recorded an article from Philippines. It ... ringlike, and 48 had the form of loops with knots. This is an evidence of an act against the Conservation ...

   Meeting Document : SC-CAMLR-XX/BG/25 : Autor(es): Delegation of Chile

10. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

    , and a strategy for the future protection of young fish and spawning aggregations of C. gunnari in ... of each year and end on 30 November of the fc%owing year. References SC-CAMLR, 1984, para raphs ... discussed in depth by the Scientific Committee nor its Working Group on Fish Stock Assessment (WG-FSA) for ... , paragraphs 9.1 and 9.2). This runs from 1 December to 30 November, and has specific implications for the ... also be imposed for short-lived, fast-growing species, where the fishery concentrates on a single ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Autor(es): Parkes, G.B

Páginas