Resultados de la búsqueda

1. Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014

   fish tagged in 2012, and a catch at age model including the data with a single age length key applied ... was calculated at 30 tonnes. The fishing bias to the shallow areas should be avoided because the ... projection period in the model. Author(s):  K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan ...

   Meeting Document : WG-FSA-15/22 : Autor(es): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

2. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   grounds, and that this has increased with the addition of a second longline fishery in 2007/08. The pot ... have been undertaken since 1990 (Table 4). The survey design was consolidated in 2001 with the ... observations in CASAL for each year between 1997 and 2008. Proportions-at-length, that were combined with ... 25. CPUE indices were assumed to be relative mid-season vulnerable biomass indices with an ...

   Document : Site Section: Publications

3. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   /decline rates of the Adélie penguin population at Béchervaise Island were found to be more sensitive to ... parameters. Results are discussed in comparison with data from a declining Adélie penguin population in the ... small percentage of the total population that the effect on the overall population model will be small ... structure and can be calculated as T = (Σ xlxmx) R0-1 (Stearns, 1992). For the Béchervaise Island model ... be estimated as rest ≈ ln(R0)/T (Stearns, 1992). This estimate is usually within 10% of the true ... rate of approximately 0.3% per annum. It should be noted that this population model assumes stable ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Autor(es): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

4. Principles for evaluating data collection plans in data-poor exploratory fisheries

   Abstract:  Since 1992, CCAMLR has agreed that exploratory fishing is not to be allowed to expand ... faster than the acquisition of information necessary to ensure that the fishery can and will be conducted ... in accordance with the principles set forth in Article II of the Convention. However, several times ... over the last five years the Scientific Committee has noted with concern the lack of progress in ...

   Meeting Document : WG-SAM-11/08 : Autor(es): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)

5. SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY

   uncertainty associated with historical counts be faithfully incorporated and preserved, and methods have been ... of that kind. The present study attempts to implement this estimator in the form of a parametric ... being presented in a specified format congruent with CCAMLR databases designed to store historical ... associated with combining diverse data collected in a variety of ways over many decades. Of particular ...

   Meeting Document : WG-EMM-PSW-08/11 : Autor(es): J.P. McKinlay and C.J. Southwell (Australia)

6. KRILL FISHERY REPORT: 2008 UPDATE

   preliminary estimate of the total catch of krill for the season is approximately 108343 t. This compares with ... 104586 t of krill reported in the STATLANT data for 2006/07. With the exception of Poland, all ... for krill in Area 48 in the 2007/08 season, and these vessels have taken 84110 t of krill to date. The ...

   Meeting Document : WG-EMM-08/05 : Autor(es): Secretariat

7. DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   000 t, about 20% has been taken from the northern grounds, 70% from the continental slope, and 10 ... . In preparing this paper we have identified some data sources which could potentially be used to ... fishing ground would also be difficult to interpret because of the movement of tagged fish. There is also ... by other research sampling. Indirect observations from cameras mounted on seals shows that Antarctic ...

   Meeting Document : WG-EMM-09/40 : Autor(es): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

8. Update of analysis on sea-ice concentration of southern part of 48.6 and 58.4.2 for the new research block on expected spawning ground of TOA

   ) and hence it should be covered by research for stock assessment in the near future. Author(s):  T ... . Namba, T. Ichii and T. Okuda Title:  Update of analysis on sea-ice concentration of southern part of ...

   Meeting Document : WG-SAM-17/10 : Autor(es): T. Namba, T. Ichii and T. Okuda

9. The Antarctic toothfish: how common a prey for Weddell seals?

   Antarctic toothfish (Dissostichus mawsoni) in McMurdo Sound, Antarctica, during 2001-2003 austral summers ... the quantity of toothfish captured lead us to suggest that this species is a significant prey item for ... Weddell seals, and that the recent development of a toothfish fishery in the Ross Sea may have broader ... common (as evidenced by more than 30 years of sustained research projects on that toothfish population ...

   Meeting Document : WG-EMM-07/P4 : Autor(es): P.J. Ponganis and T.K. Stockard (USA)

10. e-sc-40-a4.pdf

    ... method and that a comparison of the results of an analysis using the swarms-based method would be ... plots could help explain some of these differences and that it would be valuable to relate this survey ... for management. 2.15 The Working Group also noted that various approaches could be used to average ... that the krill biomass estimate of 6.477 million tonnes, with a CV of 28.9%, represents the best application/pdf attached to:WG-ASAM-2021

    Meeting Report : WG-ASAM-2021

Páginas