Résultats de la recherche

1. The Generalised Yield Model version 5: structure, specifications and examples for validation

   Abstract:  The Generalised Yield Model (GYM) was first developed in 1995 as a generalised form of ... catches set by a proportion of an estimate of pre-exploitation biomass (as in krill), a specified catch in ... the units of biomass and relative to the recruitment parameters (as in toothfish) or according to a ... version of GYM (Version 5.01b) differs from earlier versions in 2 main ways: (i) improved storage of ...

   Meeting Document : WG-FSA-SAM 03/14 : Auteur(s): A. Constable (Australia)

2. Ecosystem modelling for the Antarctic krill fishery

   been the target of an small industrial fishery since the mid 1970s. New quotas have recently been set ... krill predators such as penguins, seals and whales. In order to evaluate the effects of krill fishing on ... the trophic web, it is necessary to have better knowledge of the ecosystem structure and dynamics ... University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ...

   Meeting Document : WG-EMM-01/65 : Auteur(s): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

3. Longline sink rates on a bottom autoline vessel in New Zealand: draft

   vessel F.V. San Aotea in New Zealand. The objective of the project was to determine line sink rate, and ... as would be used in normal fishing operations to test the effectiveness of weighting the longline as ... a method of accelerating line sink rate and thus avoiding incidental capture of seabirds. A new ... the middle of an unweighted longline of this design sinks to 10m in a mean time of 63.0 seconds (n ...

   Meeting Document : WG-FSA-98/51 : Auteur(s): N.W. McL. Smith (New Zealand)

4. Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing

   Abstract:  ASOC is submitting for the consideration of the Commission and of the Standing ... Committee on Implementation and Compliance (SCIC) the preliminary results of research conducted by the Pew ... ). Preliminary findings of this research indicate that the port State measures of these RFMOs cannot yet compare ... ; they are not effective enough in deterring the activities of IUU operators; and they do not establish ...

   Meeting Document : CCAMLR-XXIX/BG/25 : Auteur(s): ASOC Observer

5. Developing a Ross Sea region medium-term data collection plan

   Abstract:  Data are collected for use in scientific research, the results of which are used to ... of a specific data collection and research plan for the Subarea 88.1 and 88.2 fisheries (SC ... -CCAMLRXXVII paragraph 4.160 vi). The long-term goals of the Ross Sea fishery based on Article II of CAMLR can ... , prevention of changes or minimisation of the risk of changes in the marine ecosystem which are not ...

   Meeting Document : WG-FSA-10/32 : Auteur(s): S. Mormede and S. Hanchet (New Zealand)

6. Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter

   period as this is the only time of year when spatio-temporal overlaps between macaroni penguin foraging ... biomass of food consumed during the winter period. We combined these to produce a surface of the tonnes of ... krill consumed which could be compared directly with the spatial distribution of the tonnes of krill ... caught by the fishery. Results  Adult macaroni penguins from South Georgia consumed 126,472 tonnes of ...

   Meeting Document : WG-EMM-14/02 : Auteur(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)

7. Integrated models for Antarctic krill (Euphausia superba) using survey data from 1981–2014 in Subarea 48.1

   extended to include estimates of krill growth consistent with survey data and to use multi-nation survey ... data collected from 1981 to 2014 near the Antarctic Peninsula. Four models of the population dynamics ... of Antarctic krill in Subarea 48.1 based on different aggregations of the data are described to ... illustrate the capabilities of the framework. Survey data collected by Germany (RMT8 net sampling from 1981 ...

   Meeting Document : WG-SAM-14/20 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)

8. Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices

   Abstract:  Vessel-specific indices of tag detection rates and tagging mortality rates have been ... developed using a methodology which controls for the spatial and temporal variability of fishing operations ... method showed that when the confounding effects of variable fishing location and time were controlled ... that additional work should be undertaken to further develop this method. Previous applications of the ...

   Meeting Document : WG-SAM-14/30 : Auteur(s): S. Mormede (New Zealand)

9. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2016/17

   to March 2017. Surveys of beached marine debris at Bird Island recorded a total of 244 items during ... items of beached debris were recorded at Signy Island (operational during summer only; 19 November 2016 ... to 22 March 2017). Sixty-four items of beached marine debris were recorded at Goudier Island ... . Entanglements of two Antarctic fur seals were observed at Bird Island and one at Signy Island, with three ...

   Meeting Document : SC-CAMLR-XXXVI/BG/35 : Auteur(s): C. Waluda

10. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1999–2000

    Abstract:  This paper summarises seabird bycatch during the fourth year (July 1999-June 2000) of ... sanctioned fishing trips. Fishing effort was 7.4 million hooks, a 45% increase on the number of hooks set in ... 1998199. Observers reported 268 birds of six species killed. White-chinned Petrels Procellaria ... that reported in either 1996/97 or 1997/98. The absolute number of birds killed increased more than ...

    Meeting Document : WG-FSA-00/30 : Auteur(s): P. Ryan and B. Watkins (South Africa)

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