Résultats de la recherche

1. A hybrid approach to acoustic classification and length estimation of krill

   / Description:  The problem of acoustically identifying and estimating the sizes of two euphausiid species is ... components are the mean ratios of the volume backscattering coefficients, measured at two different ... frequencies. The decisions on the species and the relative misclassification errors are calculated ... are derived by integrating the individual decisions. The size structure of the classified aggregation ... ). If there is no majority (situation (iii)), no decision is taken. Error probability of the Bayesian ... = 38. The correlation differs very signifi cantly from 0 (no correlation). The conversion factor ... estimates are derived from the absolute abundance of all size classes. A third shortcoming is that no ... , where no hauls were possible and the standard method had to rely only on visual estimation of ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Auteur(s): Azzali, M., I. Leonori and G. Lanciani

2. Re-analysis of CPUE in both species of toothfish in 48.6 area

   Abstract:  The present report re-analyses data regarding CPUE for both species of toothfish in ... northern area of 48.6 (SSRU 48.6A, 48.6G). This report is a re-analysis of the CPUE time series proposed in ... previous work (SAM 13/29) which includes all those comments and suggestions made in the last SAM meeting ... . Here, the  length of the line was used as effort unit and also high CPUE values reported by a Korean ...

   Meeting Document : WG-FSA-13/63 : Auteur(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)

3. Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity

   Abstract:  Pollutants found in association with seabirds at subantarctic Marion Island for the ... increase between the 1996/97 and the 1997/98 field seasons. Fishing gear increased at a rate ten times ... toothfish in blastfreezers and 23 toothfish hooks were found. All the rope nooses, and 19 of the-books were ... found during the second year. This increase in fishing gear from 1996/97 to 1997/98 is interesting in ...

   Meeting Document : CCAMLR-XVII/BG/26 : Auteur(s): Delegation of South Africa

4. An assessment of toothfish in Subarea 48.3 using CASAL

   paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... CASAL stock assessment software (Bull et al., 2005). Detailed attention is given to the incorporation of ... as much of the available tuning data as possible, as well as a whole range of assessment ... sensitivities – to fixed parametric assumptions, model structures and alternative data scenarios. Given the ... no other reason than that there is now no guarantee that the recruitment estimates provide a ... assumption that there was no process error in the second CPUE series, while still retain- ing a process ... are no clearly iden- tifiable cohorts moving through the survey data – nothing that would tally with ... pattern, with no strong or weak cohorts moving through the data – espe- cially not in the later years ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

5. HEARD ISLAND AND MCDONALD ISLANDS EXCLUSIVE ECONOMIC ZONE 2009/10 IUU CATCH ESTIMATE FOR PATAGONIAN TOOTHFISH

   (HIMI). There have been no apprehensions for illegal fishing in the HIMI EEZ since the Maya V in January ... for Patagonian Toothfish Australia’s Southern Ocean patrol program, combined with its on-the-water ... (IUU) fishing in Australia’s exclusive economic zone (EEZ) off Heard Island and the McDonald Islands ... 2004. The most recent apprehension in the neighbouring French EEZ off Kerguelen Island was the Apache ...

   Meeting Document : CCAMLR-XXIX/BG/29 : Auteur(s): Delegation of Australia

6. Results of E.L. Holmberg 1995 fish survey in Subarea 48.3

   hauls were intended as replicates of the position of hauls in the 1994 survey, allowing site by site ... Abstract:  The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80% of the ... and 1.0 miles from those in the previous survey. Mean densities were obtained considering the spatial ... aggregation of stations in a nested ANOVA model. An increase over last year's values was observed in the ...

   Meeting Document : WG-FSA-95/35 : Auteur(s): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.

7. Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Australia and Spain

   Abstract:  Spain and Australia are conducting fishing research in the 58.4.1 Division from 2013 ... Antarctic toothfish in this so called “data poor” area at the end of the whole experience. From the five ... surveys completed, the last two have been in coordination between the five proponents, namely Australia ... , Japan, Republic of Korea, France and Spain. Spain and Australia are working on the ageing and growth ...

   Meeting Document : WG-FSA-18/54 Rev. 1 : Auteur(s): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde, S. Barreiro, B. Farmer and T. Barnes

8. Beach litter survey Signy Island, South Orkney Islands, 1992/93

   Abstract:  A beach litter survey was carried out on Signy Island, South Orkney Islands during the ... 1992/93 austral summer. Similar surveys were carried out during the 1990/91 and 1991/92 summers. Debris ... . At Cummings Cove, a total of 42 items were recovered (9.10 kg). No debris was found at Starfish Cove ... . Comparison with the 1990/91 and 1991/92 litter surveys showed a dramatic drop in both the weight of debris ...

   Meeting Document : CCAMLR-XII/BG/07 : Auteur(s): Delegation of United Kingdom

9. CCAMLR-XVI

   -XVI/BG/4 BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 1995/96 Delegation of the United ... Full Name:  Sixteenth Meeting of the Commission Location:  Hobart, Australia Date(s):  Monday, 27 ... AGENDA FOR THE SIXTEENTH MEETING OF THE COMMISSION FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING ... RESOURCES CCAMLR-XVI/02 ANNOTATED PROVISIONAL AGENDA FOR THE SIXTEENTH MEETING OF THE COMMISSION FOR THE ...

   Meeting

10. Revised continuation proposal of a multi-Member longline survey on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b in 2018/19 by Japan and France

    Abstract:  Japan and France revised a plan to continue to investigate the populations of ... Patagonian toothfish (Dissostichus eleginoides) in the Division 58.4.4b during the next fishing season (2018 ... /19) from 2017/18 onwards, using standardized longline gear, and established tagging techniques. The ... proposed research is relevant and take into account issues raised by the Scientific Committee (SC-CAMLR ...

    Meeting Document : WG-FSA-18/44 : Auteur(s): Delegations of Japan and France

Pages