Résultats de la recherche

1. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   tonnes in the 1997/98 season and 600 tonnes in 1998/99. Author(s):  de la Mare, W.K., Constable, A ... in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required, based ...

   Meeting Document : WG-FSA-97/29 : Auteur(s): de la Mare, W.K., Constable, A., Williams, R.

2. Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys

   ):  W. de la Mare, P. Ziegler and D. Welsford (Australia) Title:  Using tag-recapture data to estimate ... Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... address potential bias in the estimation of q and conclude that the potential bias that may arise from ... fishing selectivity cannot be corrected for given the available data.   In the absence of an unbiased ...

   Meeting Document : WG-SAM-15/34 : Auteur(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)

3. A generalised model for evaluating yield and the long term status of fish stocks under conditions of uncertainty

   regime is introduced. Author(s):  de la Mare, W.K., Constable, A.J. Title:  A generalised model for ... trajectories and catch rates over a simulation period. In particular, this procedure calculates catches over ... seasonal patterns in fishing mortality, at specified time intervals during the year. This general approach ...

   Meeting Document : WG-FSA-95/41 : Auteur(s): de la Mare, W.K., Constable, A.J.

4. Estimating the abundance of pack-ice seals off east Antarctica

   . de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway) Title:  Estimating the ... leopard seal populations in 1,500,000 km2 of pack-ice off east Antarctica between longitudes 60-150oE ... helicopters to estimate the density of seals hauled out on the ice in survey strips. The probability of ... detecting seals in survey strips was estimated using double observer line transect methods, and satellite ...

   Meeting Document : WG-EMM-05/23 : Auteur(s): C. Southwell (Australia), D. Borchers, C. Paxton (United Kingdom), B. de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway)

5. Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay/Esperanza, Antarctic Peninsula

   colony and in the northern Bransfield Strait/Mar de la Flota in both years. During the pre-moulting ... /Esperanza, during the late part of the breeding season and their subsequent post breeding dispersal in two ... period, Adélie penguins dispersed away from the colony and foraged further to the east in the northern ... fishery activity showed an overlap in both temporal and spatial scale; no such direct overlap was apparent ...

   Meeting Document : WG-EMM-14/42 : Auteur(s): M.M. Santos (Argentina), P.N. Trathan (UK), S. Thanassekos (Secretariat), E.F. Rombolá, M.A. Juáres (Argentina), K. Reid (Secretariat) and J.T. Hinke (USA)

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

   . Constable and W.K. de la Mare (Australia) Title:  Revised estimates of yield for Electrona carlsbergi based ... can result in inappropriate high estimates of yield that could lead to depletion of stocks because of ... recent survey. These problems are addressed in this paper by using stock projections to assess the ... and its importance as prey in the Antarctic ecosystem. The decision rules for determining yield ...

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

7. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   of CEMP indices for application in CCAMLR. Author(s):  W. de la Mare and A. Constable (Australia ... correlated (greater than 0.6). Criteria for inclusion of parameters in the indices are discussed when ... power of the statistical procedure adopted by WG-EMM in 1996 for identifying anomalies in CEMP ... few anomalous values have appeared in the data. An alternative procedure, using estimates of the mean ...

   Meeting Document : WG-EMM-00/14 Rev. 1 : Auteur(s): W. de la Mare and A. Constable (Australia)

8. AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)

   . La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany) Title:  AGE AND GROWTH OF ... benthic trawl carried out off Joinville-D’Urville Islands (Antarctic Peninsula) in February-March 2006 and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ... maturity and a considerable short life span. The fish population of C. wilsoni caught in the studied area ...

   Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)

9. An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)

   emigration, and could not be due to fishing alone. Author(s):  G. Tuck, W. de la Mare, W. Hearn, R. Williams ... estimated by incorporating a Petersen approach in a novel semi-parametric model using maximum likelihood ... released fish is assigned a length of time in the available population according to its estimated release ... abundance remaining in Aurora Trough was about 35% in the base-case model. In general, the selectivity model ...

   Meeting Document : WG-FSA-00/43 : Auteur(s): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)

10. An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)

    the entire projection period. Author(s):  P. Ziegler, D. Welsford, W. de la Mare and P. Burch ... the proportion of tag-recaptures in survey catch on the main trawl ground. All model runs were ... that the virgin spawning stock biomass (SSB 0) is higher than that estimated in 2013, with an MCMC ... estimate of 136 714 tonnes (95% CI: 96 982-186 401 tonnes). Estimated SSB status in 2014 was 0.72 (95% CI ...

    Meeting Document : WG-FSA-14/34 : Auteur(s): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)

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