Resultados de la búsqueda
-
Results of the seventh Ross Sea shelf survey to monitor abundance of Antarctic toothfish in the southern Ross Sea, January 2018, and notification for research in 2018/19
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey would be a useful input into the Ross Sea stock assessment model. In ... southern Ross Sea (Strata A–C) using standardised gear in a standardised manner; and monitoring trends in ... relative biomass index of toothfish for the core strata showed a decrease from 2017 to a value equal to the ...
Meeting Document : WG-SAM-18/10 : Autor(es): D. Stevens, X. Fu, S. Mormede and S. Parker
-
Ross Sea fishery research and data collection plan
Abstract: A review of the use and effectiveness of research lines as a data collection and effort ... collected through fishing activities has effectively made the requirement to force a spread of research sets ... demonstrably higher on research hauls. The paper concludes with a proposal for a more effective Research Plan ... , environmental, and longline specific data on both the target species and on other catch species in a non biased ...
Meeting Document : WG-FSA-05/49 : Autor(es): J. Fenaughty (New Zealand)
-
Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3
assessments, based on the incomplete data set, had indicated a 1970 biomass of 600 000 tonnes and an ... unrealistic stock history considering that this stock was the first to be exploited in the Antarctic. A VPA ... using the new data suggests that unexploited biomass was over 900 000 tonnes, and declined in a manner ... to be expected from a new fishery. However, on the basis of historical reports and analyses of stock ...
Meeting Document : WG-FSA-95/17 : Autor(es): Agnew, D.J.
-
Some principles for fisheries regulation from an ecosystem perspective
Abstract: The paper discusses some principles to be considered in the formulation of a framework ... subsiduary objectives for regulation which have a more rigorous scientific interpretation than the broad ... degree to which objectives are being met to be assessed. The advantages of using a feedback method of ... that estimates are required for the abundance of a stock in advance of the substantial development of a ...
Meeting Document : SC-CAMLR-V/BG/13 : Autor(es): Delegation of Australia
-
Demonstrating proof of concept of the application of systematic conservation planning at the circumpolar scale
Abstract: Systematic conservation planning is a recognised tool for advancing ongoing efforts to ... planning already underway in a number of priority areas within the Southern Ocean, this report looks at the ... at a whole of Southern Ocean scale. Such an analysis would provide technical support to planning for ... be incorporated into a whole of Southern Ocean context, while also enabling planning work to occur ...
Meeting Document : WG-EMM-10/34 : Autor(es): D. Beaver, R. Nicoll, G. Llewellyn, P. Harkness, C. Hellyer and J. Turner (ASOC-WWF)
-
State of the Antarctic and the Southern Ocean Climate System (SASOCS)
Abstract: The paper is a summary of a detailed review produced for submission to a scientific ... , P.J. Barrett, N.A.N. Bertler, T. Bracegirdle, D. Bromwich, H. Campbell, G. Casassa, A. N. Garabato ... , W.B. Lyons, K.A. Maasch, P.A. Mayewski, M.P. Meredith, C. Summerhayes, J. Turner, D. Vaughan, A. Worby ... paper provides a review of the key developments over the past two years in our understanding of physics ...
Meeting Document : CCAMLR-XXVI/BG/37 : Autor(es): Submitted by SCAR
-
The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
ability of CEMP data to detect change. The effect size that should prompt a response if observed in a ... power analysis estimates results in a decreased level of power to detect a trend. Similar power analysis ... results are obtained for a fixed co-efficient of variation of the temporal variability SD in relation to ... (5.2 – 6.7%). For example, with a 10 year monitoring program it is possible to detect fixed increases ...
Meeting Document : WG-EMM-03/49 : Autor(es): L.M. Emmerson and C. Southwell (Australia)
-
Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
Abstract: A net sampling survey was carried out for krill in an established standard station grid ... around Elephant Island during 27 January to 4 February 2001. Results show a spatial separation of the ... juvenile and the spawning stock. The station grid was extended to the south, where a large proportion of ... high krill abundance and the high recruitment index reflect the end of a succession of years with poor ...
Meeting Document : WG-EMM-01/10 : Autor(es): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
-
Streamlining the work of the Scientific Committee for the Conservation of Antarctic Marine Living Resources (SC-CAMLR)
Abstract: In recent years, the Scientific Committee has been dealing with a great diversity of ... meetings and a large diversity of important issues. A number of important issues are not being addressed ... through the year: a two week period for workshops, a three week period for the Scientific Committee and ... its working groups and maybe workshops in mid-year, and a short meeting of the Scientific Committee ...
Meeting Document : WG-EMM-15/59 : Autor(es): G. Watters (USA), A. Constable and D. Welsford (Australia)
-
Evaluation of the effects of illegal, unregulated and unreported (IUU) fishing on the legal catch of fisheries for Dissostichus eleginoides
population at a productive level with only a small chance of become depleted. The increasing levels of ... populations of this species. As a result of IUU fishing, the catch limits set by CCAMLR are being reduced each ... by CCAMLR. The scenarios explored are with IUU annual catch at 0.33x, 1x, 2x and 4x a legal catch ... catch and the legal catch were combined in the catch history and a new long-term sustainable annual ...
Meeting Document : WG-FSA-02/69 : Autor(es): A.J. Constable (Australia)