Résultats de la recherche

1. Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions

   quadratic function in length. This function was calibrated using random length frequency (LF) data collected ... fish falling in a particular length bin, analagous to a death in a given time interval in survival ... (GLMM). The GLMM was fitted to the number of fish in a bin using a complementary log-log link function ... and binomial sample size defined as the number of fish in that bin or a larger length bin. The ...

   Meeting Document : WG-FSA-06/35 : Auteur(s): S.G. Candy (Australia)

2. The applicability of international conservation instruments to the establishment of marine protected areas in Antarctica

   , depending on their specific provisions, full application in Antarctic waters may be difficult, inappropriate ... concluded that although direct application of other international conservation agreements is in most cases ... timeframe in which these should take place. In addition, the consideration of Antarctic waters in parallel ... establishment of marine protected areas in Antarctica Approval:  Approved ...

   Meeting Document : WG-EMM-04/32 : Auteur(s): S. Grant (United Kingdom)

3. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   -XXI. The first three are static allocations: the first is proportional to estimated predator demand in ... each SSMU; the second is proportional to the estimated standing stock of krill in each SSMU; and the ... third is proportional to the standing stock less predator demand in each SSMU. The fourth option is a ... dynamic allocation based on land-based predator monitoring conducted just prior to or early in the fishing ...

   Meeting Document : WG-EMM-03/36 : Auteur(s): R.P. Hewitt, G. Watters (USA) and P.N. Trathan (United Kingdom)

4. Streamer lines to reduce seabird by-catch in longline fisheries

   Abstract:  This two-page flyer targets commercial longline fishermen in Alaska. Aspects of the ... streamer line developed in the course of research in Alaskan demersal longline fisheries are described ... reduce seabird by-catch in longline fisheries Approval:  Approved ...

   Meeting Document : WG-FSA-03/18 : Auteur(s): E.F. Melvin (USA)

5. Secretariat work in support of WG-EMM

   the past year in support of WG-EMM. The outcome of these tasks are outlined in table format. Where ... required, detailed information is provided in meeting papers Author(s):  Secretariat Title:  Secretariat ... work in support of WG-EMM Approval:  Approved ...

   Meeting Document : WG-EMM-01/6 : Auteur(s): Secretariat

6. ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA

   Abstract:  An attempt to use reported catch and CPUE data based on data of observers in the ... assessment of Antarctic toothfish stock in Division 58.4.1 is made. Unlike some previous results obtained for ... toothfish stock biomass in the Ross Sea. As a result of implementation of an age-structured and a dynamic ... production models, current stock biomass in this division is estimated as about 12000 t, while the estimate ...

   Meeting Document : WG-FSA-09/14 Rev. 1 : Auteur(s): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)

7. Trends of the Dissostichus eleginoides stock using the sequential population analysis (SPA) model in Subarea 48.3: 1992-1996

   last year (1996) in relation to the previous ones. This result supports the idea that the use of the ... Abstract:  This paper presents a model of Sequential Population Analysis (SPA), based in catch at ... under CCAMLR procedures. The model was programmed in a spreadsheet (Excel v.5) using the Solver function ... calculated by the WG-FSA in 1995 when F2/3 was applied, which allowed height level of spawning biomass per ...

   Meeting Document : SC-CAMLR-XV/BG/14 : Auteur(s): Delegation of Chile

8. Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)

   Mario Zucchelli is located, have been largely investigated in the last couple of decades. All the ... abundant and conspicuous species in the area, although some of its denser populations are found outside the ... perspectives. Particularly interesting is the evidence that populations in Terra Nova Bay area seem to be ... genetically different to some extent, and are even more different from those in the McMurdo Sound area ...

   Meeting Document : WG-EMM-12/23 : Auteur(s): M. Chiantore and M. Vacchi (Italy)

9. Bayesian data-model synthesis for biological conservation and management in Antarctica

   CCAMLR Ecosystem Monitoring Program in obtaining policy-relevant summaries of Adélie penguin abundance ... streaming in from a multitude of sensors with other sources of information such as field counts and ... concerns of the Antarctic research and management community. In sum, we propose to develop the data-to ... in the Antarctic. This paper serves as an introduction to our proposed development work (as recently ...

   Meeting Document : WG-EMM-13/26 : Auteur(s): H.J. Lynch and M. Schwaller (USA)

10. A multivariate approach to examining patterns in research fishing activities using the SSRU 88.2A–B North survey as an example

    Abstract:  The WG-SAM in 2016 “agreed the importance of identifying a set of diagnostics and clear ... criteria to assess the likelihood that a vessel is operating as would be expected in normal research ... activities”, further noting that a characterisation of fishing activities was also required in order to ... achieve such a goal (WG-SAM 2016, paragraph 4.19). In this paper, we further develop the analysis of Large ...

    Meeting Document : WG-FSA-16/46 : Auteur(s): S. Mormede, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø

Pages