Resultados de la búsqueda
-
Update on software development for analysing nest camera images through the CEMP Special Fund
through the CEMP Special Fund project ‘Developing an image processing software tool for analysis of camera ... project for completion towards the end of 2018. Author(s): C. Southwell, H. Achurch, J. Cusick, A. Lashko ... Abstract: We provide a brief update on the software developed for assessing nest camera images ... software and develop post-processing code for data download according to specifications developed in ...
Meeting Document : WG-EMM-18/28 : Autor(es): C. Southwell, H. Achurch, J. Cusick, A. Lashko, K. Newbery, A. Sikka and L. Emmerson
-
ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES
Abstract: Over the past few years WG-EMM has been developing a management procedure for the krill ... candidate methods for subdividing the catch limit and rejected one of them as unsuitable (Option 1 ... - subdivision based on the distribution of historical catches). In recognising the need for a “staged ... between these two (Option 4). In this paper we review the uncertainties relating to the spatial ...
Meeting Document : WG-EMM-08/12 : Autor(es): P.N. Trathan and S.L. Hill (United Kingdom)
-
Introducing Casal2 for toothfish stock assessments
Abstract: The Casal2 software implements an updated generalised age-structured marine population ... constructed. Casal2 models can be used for a single population with a single anthropogenic event (i.e., a ... single fishery), or for multiple species and populations, areas, and/or anthropogenic or exploitation ... identical empirical results for estimation of key productivity parameters. We invite Members to test Casal2 ...
Meeting Document : WG-SAM-18/14 : Autor(es): S. Mormede
-
A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
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. This ... paper develops a simulation model for this task, representing key properties of the benthic system such ...
Meeting Document : WG-SAM-09/21 : Autor(es): A.J. Constable (Australia)
-
Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
, the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ... biological sampling carried out on board the vessels operating in the region were used for the analysis. From ... Chilean fleet totalled 2.71 million hooks, 2 883 tonnes were caught at an average CPUE of 1.06 k/hook ... . The catch lengths distributions ranged between 40 and 145 cm for males and 40 and 200 cm for females ...
Meeting Document : WG-FSA-92/24 : Autor(es): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)
-
Towards developing a feedback management procedure for the Antarctic krill fishery
spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ... rules for adjustments to the fishery and can be parameterized from empirical observations collected at ... CEMP sites (e.g. relationships between animal condition and subsequent survival). If a feedback ...
Meeting Document : WG-EMM-12/44 : Autor(es): G. Watters and J. Hinke (USA)
-
Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
at liberty of 6 years, as l = 0.014 for longline and l = 0.007 for trawl. However, this single tag ... fishery, 99.3% of all double-tagged fish retain at least one tag after one year, and 80.2% after ten years ... Abstract: Tag-loss or tag-shedding rates for tagged fish in the Patagonian toothfish ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ...
Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler
-
Developing the risk assessment framework for the Antarctic krill fishery in Area 48
Abstract: Recognising that CM 51-07 is scheduled to lapse at the end of the 2020/2021 fishing ... improved for the future. We therefore indicate key areas for community engagement to help develop the next ... . Murphy, N. Kelly, S. Kawaguchi and D. Welsford Title: Developing the risk assessment framework for the ... Delegation responsibility for releasing documents: United Kingdom ...
Meeting Document : WS-SM-18/04 : Autor(es): P. Trathan, V. Warwick-Evans, E. Young, S. Thorpe, E. Murphy, N. Kelly, S. Kawaguchi and D. Welsford
-
Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005
in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... years old during the coming season. This would result in an estimated yield of 1,210 tonnes, which is ... less than that predicted for the coming season in the 2004 assessment by WG-FSA. Author(s): A.J ... (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005 ...
Meeting Document : WG-FSA-05/39 : Autor(es): A.J. Constable, T. Lamb and R. Williams (Australia)
-
Fish Heaven 2.0: summary of modifications and additions to earlier versions and illustrations of its application as a tool for evaluating fisheries management systems
examples of its application as a tool for evaluating fisheries management systems. As in previous years ... range of models to be constructed and explored. The application of Fish Heaven as an evaluation tool is ... illustrated by some examples of how Catch Per Unit Effort performs as an indicator of abundance under simple ... additions to earlier versions and illustrations of its application as a tool for evaluating fisheries ...
Meeting Document : WG-FSA-SAM 03/15 : Autor(es): I. Ball (Australia)