Результаты поиска

1. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

   Abstract:  The unusually effective fishery on mackerel icefish (C.gunnari) in the South Georgia ... thousand tons, and the followed bottom trawl surveys by Russia and Great Britain in December 1999- February ... 2000 showed clearly a necessity to revise the methods of icefish (which is near-bottom and pelagic fish ... species) biomass assessment based on the results of bottom trawl surveys. A question on unreliability of ...

   Meeting Document : WG-FSA-00/45 : Автор(ы): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

2. Hatching season and growth of Pleuragramma antarcticum larvae near the Antarctic peninsula in austral summer 1993/94

   Abstract:  Hatching season and larval growth of Pleuragramma antacticum in the water off Antarctic ... Peninsula were determined by the examination of growth increments in otoliths. The samples were collected by ... (54 inds. out of 77 fish larvae) in ichthyoplankton samples, and occurred mainly in cold water of the ... to 260 μm, and linearly related to body size (L); R =- 43.6 + 5.99 L (r2=0.79). The mean size of ...

   Meeting Document : WG-EMM-96/65 : Автор(ы): Cha, S.S., Lee, T.W., Kim, S.

3. Revised estimates of yield for Electrona carlsbergi based on a generalised version of the CCAMLR krill yield model

   widely varying recruitment patterns, overestimation of the abundance of the stock and age of the most ... recent survey. These problems are addressed in this paper by using stock projections to assess the ... probabilities of the stock of Electrona carlsbergi becoming depleted over a 20 year period. These projections ... have been undertaken using a generalised version of the CCAMLR Krill Yield Model. This is appropriate ...

   Meeting Document : WG-FSA-94/21 : Автор(ы): A.J. Constable and W.K. de la Mare (Australia)

4. Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals

   aspect of their biology: the age structure of crabeater seals (Lobodon carcinophagus) around the ... and with the Southern Oscillation Index (SOI). All of the seal data sets showed evidence of cyclical ... behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ... the Weddell series began in 1970. The leopard seals and SOI were in phase in the 1960’s, but ...

   Meeting Document : WG-CEMP-91/13 : Автор(ы): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)

5. Bioregionalisation and spatial ecosystem processes in the Ross Sea region

   Abstract:  Since 2005, the Commission for the Conservation of Antarctic Marine Living Resources ... 2009 the CCAMLR Scientific Committee agreed a series of milestones to achieve a representative network ... of MPAs in the CCAMLR Area by 2012. New Zealand has been an active contributor to the CCAMLR spatial ... management planning process, and has declared its interest in progressing spatial marine protection in the ...

   Meeting Document : WG-EMM-10/30 : Автор(ы): B.R. Sharp, S.J. Parker, M.H. Pinkerton (New Zealand) (lead authors) also B.B. Breen, V. Cummings, A. Dunn (New Zealand), S.M. Grant (United Kingdom), S.M. Hanchet, H.J.R. Keys (New Zealand), S.J. Lockhart (USA), P. O’B. Lyver, R.L. O’Driscoll, M.J.M. Williams, P.R. Wilson (New Zealand)

6. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation

   other model parameters in integrated assessments via CASAL for the Heard and McDonald Islands (HIMI ... R. Both use the same Poisson likelihood for annual number of recaptures by age class, and both model ... the age-structured population for each fishing year by annual recursive use of difference equations ... (ODE) for within-year population dynamics. The difference in the models derives from differences in ...

   Meeting Document : WG-SAM-10/11 Rev. 1 : Автор(ы): S.G. Candy (Australia)

7. Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia

   natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... between natural and fishing mortality. The model essentially follows tagged cohorts, with the estimated ... parameters being the  fishing and natural mortality vectors for that particular cohort. The model was tested ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ...

   Meeting Document : WG-FSA-SAM-06/06 : Автор(ы): R.M. Hillary and D.J. Agnew (United Kingdom)

8. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ...

   Meeting Document : WG-SAM-12/04 : Автор(ы): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)

9. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ...

   Meeting Document : WG-FSA-12/12 : Автор(ы): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)

10. Practical options for developing feedback management for the krill fishery in Subarea 48.2

    might facilitate the development of feedback management procedures for the krill fishery in Area 48. In ... reviewing the state of ecological knowledge for Subarea 48.2, we conclude that movement towards Stage 2 (in ... the Staged approach advocated by WG-EMM) is highly improbable based on the current level of ... information available for Subarea 48.2. We suggest that there is an urgent need to improve the ecological ...

    Meeting Document : WG-EMM-14/04 : Автор(ы): P. Trathan (United Kingdom), M. Santos (Argentina) and O.R. Godø (Norway)

Страницы