Résultats de la recherche

1. CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48

   agreeing the relative plausibilities (weights) for the different operating models. An outline of suggested ... -predator-fishery dynamics described in an accompanying paper is conditioned using the WG-SAM set of ... reference observations for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ...

   Meeting Document : WG-EMM-08/44 : Auteur(s): É.E. Plagányi and D.S. Butterworth (South Africa)

2. A method for inferring movement rates of fish from mark–recapture data

   required for the probability of recapture in a location to match the relative probability of catching an ... release and recapture point. An alternative approach presented here is to build an underlying model of ... estimating movement distances and rates is to estimate mixing times for mark recapture studies, there are ... simpler approaches that might be useful. For instance, one alternative would be to ask how much time is ...

   Meeting Document : WG-FSA-05/66 : Auteur(s): C. Wilcox (Australia)

3. Integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)

   Abstract:  This paper presents an updated assessment for Patagonian toothfish (Dissostichus ... of a range of alternative fishery structures and model assumptions for year class strength (YCS) on ... information on YCS variation resulted in an SSB status of 0.58 in 2013, but was considered to be less ... realistic. The impact of altering the sub-fishery structure for trawl on model estimates was relatively ...

   Meeting Document : WG-FSA-13/24 : Auteur(s): P. Ziegler, S. Candy and D. Welsford (Australia)

4. Progress report on the Australian Fisheries Research and Development Corporation project to develop robust assessment methods and harvest strategies for spatially complex, multi-jurisdictional toothfish fisheries in the Southern Ocean

   Abstract:  This paper provides an update on the ongoing FRDC-funded research project to develop ... robust assessment methods and harvest strategies for spatially complex, multi-jurisdictional toothfish ... strategies to be developed for the Australian and French fisheries, as well as develop tools that can be used ... to assist assessing other spatially structured fisheries. We provide (1) an outline of the project ...

   Meeting Document : WG-SAM-15/37 : Auteur(s): P. Burch, C. Péron, D. Welsford, P. Ziegler, T. Lamb, T. Robertson (Australia), G. Duhamel, N. Gasco, P. Pruvost, C. Chazeau and R. Sinègre (France)

5. Validating the Gasco-method for depredation estimation in Subarea 48.3

   depredation model. Here this method was adapted for Subarea 48.3 and compared to the outputs from an ... fisheries have a data collection programme that is sufficiently long established, or detailed, to allow for ... model estimation of the lost catch. A new method was developed in 2014 that used an observed change in ... alternative long-standing model estimation approach feeding into the CASAL assessment for toothfish. The new ...

   Meeting Document : WG-SAM-16/32 : Auteur(s): M. Söffker and T. Earl

6. A new plan for pelagic ecological research within the US AMLR Program

   Abstract:  This document outlines the concept and rationale for movement to an instrument-based ... ship-based approach is no longer economically feasible. An instrument-based research program, in lieu ... Antarctic. Author(s):  C. Reiss and G. Watters Title:  A new plan for pelagic ecological research within the ... :  Content Approved Delegation responsibility for releasing documents:  United States of America ...

   Meeting Document : WG-EMM-17/04 : Auteur(s): C. Reiss and G. Watters

7. Some considerations for the further development of statistical summaries of CEMP indices

   Abstract:  A potential method is presented for combining data collected as part of the CCAMLR ... ecosystem monitoring programme (CEMP) into a single index for each of the predator, prey and environment ... -EMM for identifying anomalies in CEMP parameters is examined by means of simulation tests. The power ... values have appeared in the data. An alternative procedure, using baseline mean and variance estimates ...

   Meeting Document : WG-EMM-Stats-97/07 : Auteur(s): de la Mare, W.K.

8. Acoustic data for the 1994 Krill Flux Workshop

   Abstract:  A methodology is described which when applied to data from an acoustic survey will ... yield mean krill density along an arbitrary section through the survey area, giving results compatible ... a section given an oceanographic dataset of current direction and speed. The two programs produce ... :  Acoustic data for the 1994 Krill Flux Workshop Approval:  Approved ...

   Meeting Document : WS-Flux-94/04 : Auteur(s): Secretariat

9. The case for including the Ross Sea continental shelf and slope in a Southern Ocean network of marine protected areas

   and representative network of Southern Ocean MPAs, and has for decades been an area in which ... Abstract:  Both the Convention for the Conservation of Marine Living Resources (CCAMLR) and the ... Environmental Protocol to the Antarctic Treaty provide for the establishment of marine protected areas (MPAs ... ) for purposes of scientific study and to conserve unique features and components of the Antarctic ...

   Meeting Document : CCAMLR-XXIX/BG/26 : Auteur(s): ASOC Observer

10. Preliminary aspects of a simulation model to be used for evaluating the experimental crab fishery

    recruitment relationship, and a model for catch that contains a random normal deviate. Finally, an algorithm ... that work be undertaken to evaluate certain aspects of the experimental management strategy for the ... Antarctic crab fishery. A simulation model is proposed for conducting this work. Length frequency and catch ... rate data from the 1991/92 crab fishery are used to motivate the construction of an ontogenetic ...

    Meeting Document : WG-FSA-94/26 : Auteur(s): G. Watters (USA)

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