Результаты поиска

1. Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   fisheries potential yield, but a source of ongoing uncertainty in the stock assessment concerns recruitment ... , making it impossible to develop a consistent time series that would monitor trends in recruitment over ... time from the fishery. At its 2010 meeting, the Scientific Committee agreed that a time series of ... recruitments from a well designed survey could be a useful input into a stock assessment model and requested ...

   Meeting Document : WG-SAM-11/16 : Автор(ы): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

2. Proposal for a new Antarctic Specially Protected Area, Terra Nova Bay, Ross Sea

   Abstract:  The Area proposed for special protection is a small and narrow strip of waters ... extending approximately 9.5 km in length immediately to the south of Terra Nova Bay Station and up to a ... proposed have been selected on the basis of the following criteria: a) the proposed area encompasses the ... ) lines of latitude and longitude in the north, east and south offer a clear and practical definition of ...

   Meeting Document : WG-EMM-02/56 : Автор(ы): Proposed by Italy

3. In situ target strength measurements of Antarctic zooplankton (Euphausia superba and Salpa thompsoni) at 120 khz and 200 khz, corroboration of scattering models, and a statistical technique for delineating species

   (Euphausia superba and Salpa thompsoni) at 120 kHz and 200 kHz. Concurrently, a two meter Isaacs-Kidd ... both species. The individual TS measurements were collected at 120 kHz with a split-beam echosounder ... and a single-target detection algorithm. Because the two transducers were essentially collocated ... a fluid sphere model [V.C. Anderson, J.Acoust. Soc. Am. 22:426-431 (1950)]; presumably, predominant ...

   Meeting Document : WG-Krill-94/12 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)

4. A comparison of geostatistical and random sample survey analyses of Antarctic krill acoustic data

   published results (Trathan et al., 1993 and Murphy et al., 1991) from statistical analyses based on random ... sampling theory. A further high-resolution geostatistical analysis of the MV SA "Aghulas" (ping ... show marked skewness in their histogram of density. Author(s):  Murray, A.W.A. Title:  A comparison of ...

   Meeting Document : WG-EMM-95/76 : Автор(ы): Murray, A.W.A.

5. A spatial multi-species operating model of the Antarctic Peninsula krill fishery and its impacts on land-breeding

   Abstract:  An updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... . SMOM has been revised from the original version presented in Plagányi and Butterworth (2006a) in three ... OCCAM model. This modelling framework provides an example of a method for bounding some of the ... envelopes rather than in point estimate form, giving a truer reflection of the uncertainty inherent in ...

   Meeting Document : WG-SAM-07/12 : Автор(ы): É.E. Plagányi and D.S. Butterworth (South Africa)

6. Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL

   ) which models the annual tag shedding (i.e. loss) rate as a constant for individual tags. The CASAL ... software applies this model correctly for fish released with a single tag but does not have the facility at ... present to correctly apply the KW model for fish released with two tags. The solution of Dunn et al. (2005 ... ) and Hillary et al. (2006) to apply the square of the individual tag loss annual rate in CASAL over ...

   Meeting Document : WG-SAM-11/12 : Автор(ы): S.G. Candy (Australia)

7. An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)

   ) otoliths from the Heard Island and McDonald Islands fishery. With the reinitiation of this program a number ... of methodological refinements have been made to those outlined by Nowara et al. (2009), particularly ... age. These changes have contributed to increased efficiency within the program, with a greater ... capacity for ageing and at a lower cost per otolith. Greatest efficiency gains have been made in the ...

   Meeting Document : WG-FSA-14/45 : Автор(ы): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)

8. Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   Abstract:  We report on the further development of a carbon-budget trophic-model of the Ross Sea ... Ross Sea is a low primary production system, with production being localised in space and time. In the ... considered a work in progress. Overall, the model is close to balance, with total exports of organic carbon ... . The current version of the trophic model suggests that Antarctic toothfish have the potential to exert ...

   Meeting Document : WG-EMM-06/14 : Автор(ы): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)

9. Fish Heaven: a Monte Carlo, spatially explicit single species fishery model for the testing of parameter estimation methods

   Abstract:  Fish Heaven is a simple spatially explicit age structured fish model, containing the ... basic features of standard fish modeling with a number of optional extras. It was designed within an ... object oriented framework to allow for the possible extension in a number of directions. In particular it ... various plausible spatial structures of fish stock. The model has a simple age and space structured ...

   Meeting Document : WG-FSA-00/36 : Автор(ы): I. Ball and A. Constable (Australia)

10. Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

    Abstract:  A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... in the SSRUs were 15.3 ± 1.1 indiv. / 1,000 hooks (mean ± SE) in terms of number and 111.2 ± 11.4 kg ... sexes of D. eleginoides during the 2010/11 survey. A total of 189 individuals of toothfish with good ...

    Meeting Document : WG-SAM-11/06 : Автор(ы): K.Taki, T. Iwami and M. Kiyota (Japan)

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