Resultados de la búsqueda

1. Towards a validation of ageing in mackerel icefish (Champsocephalus gunnari) – can we estimate age more accurately?

   older than 3 or 4 years were aged. These differences could not be reconciled at the end of the exchange ...

   Meeting Document : WG-FSA-05/23 : Autor(es): K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)

2. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... . Breakdown in the credibility of the VPA results in most recent years is attributed to the invalid assumption ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey and ... proportion of 5 year olds, which was not observed during the survey on Falklands Protector in January 1992 ... projected forwards 2 years, with the 1 year olds being replaced by a simulated value, firstly with no ... +) with that observed during this survey. The samples taken during the survey were dominated by 2 and 3 ... , combined index was simply derived as follows: For years y and ages a with both survey indices lay and ... at age a over all years. For years with survey indices only: and for years with CPUE indices ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Autor(es): Parkes, G.

3. Preliminary results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014

   the other strata, in particular close to Ross Island in the south and in the north-eastern side of ... that stratum. Further results will be provided at WG-FSA-14, including age data and comparison with ...

   Meeting Document : WG-SAM-14/24 : Autor(es): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)

4. Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment

   , particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... data as auxiliary data, and stock depletion levels. Biomass estimates generally improved with more and ... relatively large number of size classes, low recapture numbers collected in short tagging programs with a 100 ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ...

   Meeting Document : WG-FSA-13/P03 : Autor(es): P. Ziegler

5. e-sc-iv-a6.pdf

   ... Appendix I) which was subsequently adopted by the meeting (see Appendix II for list of participants). 3 ... differences in single catcher boat and in mother-ship type operations, indicating associated variations in ... , with little or no between-haul searching. The length of haul is adjusted to the catch rate, so that ... research vessels to locate fishing vessels in areas of high krill abundance. At present, problems with application/pdf attached to:WS-KCPUE-85

   Meeting Report : WS-KCPUE-85

6. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

   years were associated with reduced availability of krill, one with very cold winter and spring ... one year, and for part of the differences in two other years, when mortality rates must also have been ... , South Georgia from 1977-1992 are used, in conjunction with empirical (and some hypothetical) data on ... variations introduced by good and bad years (as classified on the basis of breeding success). There is ...

   Meeting Document : WG-CEMP-93/08 : Autor(es): J.P. Croxall and P. Rothery (United Kingdom)

7. Survey design to estimate krill abundance during FIBEX

   nOCJIe,llyIO~HM MeTO,llOM aHaJIH3a ,lIaHHbIX, HeKOTopbIe OCHOBHhle acneKThl KOTOPhlX 3,l1eCb o6CY)K ... distribution of water masses. 3. To obtain a synoptic assessment of the abundance of krill in the south-west ... . 3. The depth, size and density of swarms should be estimated either by processing of digitised ... echosignals or from examination of echocharts with respect to integrator output. 4. The operating frequency ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Autor(es): Everson, I., I. Hampton and G.M. Jolly

8. WG-FSA-11

   Division 58.4.3b by Shinsei Maru No.3 in 2010/11 and proposal of the consecutive survey in 2011/12 K. Taki ... on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season K. Taki, T. Iwami and ... by Shinsei Maru No. 3 in 2011/12 K. Taki, T. Iwami and M. Kiyota (Japan) WG-FSA-11/16 Preliminary ... (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–11 S. Mormede, A. Dunn and S.M. Hanchet ...

   Meeting

9. The morphology of Antarctic toothfish (Dissostichus mawsoni Norman 1937) males and females and new data on its gonad structure in the Ross Sea in the summer period

   females with ovaries on the early III stage of maturity were dominated (47.0%), and males with testis on ...

   Meeting Document : WG-FSA-07/38 Rev. 2 : Autor(es): S.V. Piyanova and N.V. Kokorin (Russia)

10. Progress report of the CEMP camera network in Subarea 48.1

    Network in Subarea 48.1”. The project was initiated with support from the CEMP Fund in 2014/15. The ... project is now running, with 53 time-lapse cameras installed throughout Subarea 48.1. Installation of ... cameras was conducted mainly during the 2015/16 field season. However, early installation and/or inclusion ...

    Meeting Document : WG-EMM-16/58 : Autor(es): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, A. Barbos, C. Southwell and L. Emmerson

Páginas