Résultats de la recherche

1. Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD)

   Abstract:  The attached paper, now in review, describes the Mapping Application for Penguin ... available data to develop estimates of abundance for each site and for each year since 1982; estimates are ... MAPPPD includes all available (published and unpublished) data on the four penguins (emperor, gentoo ... , Adélie, and chinstrap) for the region south of 60° S. A Bayesian population model integrates the ...

   Meeting Document : CCAMLR-XXXV/BG/15 : Auteur(s): Submitted by Oceanites, Inc.

2. OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION

   nearest integer (NI) value deviations, denoted as integer errors (IE), from the mean age for an individual ... Abstract:  Integrated assessments that use catch-at-age or abundance-at-age data for model ... calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... obtained for a given readability score and age. Proportions of the AIE 1 yr error class decreased relative ...

   Meeting Document : WG-FSA-09/21 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

3. OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION

   nearest integer (NI) value deviations, denoted as integer errors (IE), from the mean age for an individual ... Abstract:  Integrated assessments that use catch-at-age or abundance-at-age data for model ... calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... obtained for a given readability score and age. Proportions of the AIE 1 yr error class decreased relative ...

   Meeting Document : WG-SAM-09/07 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

4. Ecological risk management and the fishery for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica

   an ecological risk assessment for Antarctic Toothfish (Dissostichus mawsoni) longline fishery in the ... as an aid to developing management strategies to avoid, mitigate, or manage adverse outcomes. Risk ... an adverse outcome occurring and the consequence should it occur. Numerical models, such as stock or ... ecosystem mass-balance models can provide insights into these factors for some risks. In addition, semi ...

   Meeting Document : WG-EMM-07/24 : Auteur(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)

5. FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   approach in managing Antarctic fisheries. The model is ready for use by WG-FSA this year to begin ... level that can naturally restore the original structure and function within 20 years. It does not ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... easily be met would be more vulnerable than those for which the objective might be met most often. The ...

   Meeting Document : WG-FSA-09/42 : Auteur(s): A.J. Constable (Australia)

6. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13

   of 20 % achievable from Petersen biomass estimates may be achieved within three years with an annual ... 2011/12 fishing season with the aims of providing the data required for assessments of the population ... . An approximate stock biomass level of Dissostichus spp. in the survey area was tentatively estimated ... results the proposed sample size as existing 70 tonnes for the next 2012/13 survey seems to be appropriate ...

   Meeting Document : WG-SAM-12/17 : Auteur(s): Delegation of Japan

7. Report on attendance at the Third Meeting of the Committee for Environmental Protection Under the Madrid Protocol

   this context the Guidelines for Implementation of Article 3, Annex V of the Environmental Protocol ... Committee for Environmental Protection (CEP-III) under the Madrid Protocol. The most important issues of ... potential for CEMP data to complement that from the COMNAP environmental monitoring programme around ... Antarctic research stations should be kept under review; (e) SC-CAMLR's potential involvement in the ...

   Meeting Document : SC-CAMLR-XIX/BG/17 : Auteur(s): Chair of the CCAMLR Scientific Committee

8. Development of a generic operating model framework for data collection, assessment method and management strategy evaluations

   Abstract:  A generic spatially-explicit age-structured model framework is in development that will ... framework for data collection, assessment method and management strategy evaluations Approval:  Approved ...

   Meeting Document : WG-FSA-11/20 : Auteur(s): P. Ziegler (Australia)

9. Observer coverage required for the prediction of incidental capture of seabirds in New Zealand commercial fisheries

   to the 2002–03 fishing years for the trawl fisheries and from the 2000–01 to the 2002–03 fishing ... years for the longline fisheries. The observer coverage fraction is expressed in terms of tows for the ... the tendency for seabird capture incidents to involve large numbers of birds on rare occasions ... trawl fisheries and hooks hauled for the autoliner fisheries. The estimated observer coverage fraction ...

   Meeting Document : WG-FSA-05/50 : Auteur(s): M.H. Smith and S.J. Baird (New Zealand)

10. LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3

    Abstract:  The current CCAMLR assessment method for the mackerel icefish (Champsocephalus gunnari ... ) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and ... projects these numbers forward under the given harvest control rule to set a two‐year TAC. One issue is the ... accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ...

    Meeting Document : WG-FSA-09/27 : Auteur(s): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)

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