Результаты поиска

1. e-sc-xxvi-a5.pdf

   ... used in previous years. This method used information on the number of vessels sighted/apprehended and ... vessels that have not met the required tagging rate in new and exploratory fisheries. 3.60 The Working ... . Spawning fish may remain in the northern area for up to 2 to 3 years. They then move southwards back onto ... of SG-ASAM 4.1 SG-ASAM met in Cambridge, UK, in April 2007 (Annex application/pdf attached to:WG-FSA-07

   Meeting Report : WG-FSA-07

2. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

   Abstract / Description:  Selectivity studies were carried out for two types of steelon codends used in ... process- especially in the latter case- is not satisfactory. Scotia Sea icefish, Chaenodraco wilsoni, and ... the trawling among all the species studied. Conclusions and observations were in some cases based on a ... fishing vessels were included in a 32/31 bottom trawl set-up which was used in previous years on ... in the case of 80 mm codend. Selection effectiveness increased from 20% for 80 mm codend to almost ... for Antarctic icefish, selectivity ogives of 80 mm and 100 mm codends were drawn together in Figure 8 ... phase) No. of fish 6 814 20 701 3 217 7 053 3 090 measured in codend No. of fish 2 198 2 826 420 8 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Автор(ы): Zaucha, J.

3. Fishery Report 2017: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)

   2006 or 2007 due to nearby IUU activity in those years. There was a single IUU vessel sighting in ... the catch limit set by France of 1 100 tonnes in 2018, which allows for average depredation rates ... in 2018 (iii) WG-FSA requested more details on the time series of catches (summarised in the ... year in which that season ended, e.g. 2015 represents the 2014/15 CCAMLR fishing season (from 1 ...

   Document : Site Section: Publications

4. Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation

   and video footage from several Antarctic krill were carried out to determine the effect of animal ... pattern of changes in echo spectra with orientation for the experimentally measured acoustic returns was ... ) model. Information contained in the broadband echo spectra of the krill was exploited to. invert the ... Classification (CMVC) approach, using generic and animal-specific theoretical and empirical model spaces. The ...

   Meeting Document : WG-EMM-99/41 : Автор(ы): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)

5. Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz

   ) were made at a frequency of 120 kHz in a chilled insulated tank at the Long Marine Laboratory in Santa ... Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... animal orientation. Use of these scattering patterns with orientation data from shipboard studies of E ...

   Meeting Document : WG-EMM-99/42 : Автор(ы): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)

6. WG-FSA-13

   -FSA-13/20 Proposal to extend trial of daytime setting of longlines between 15 and 30 April in the ... Kingdom) WG-FSA-13/30 Preliminary assessment of Patagonian toothfish in Subarea 48.3 R. Scott (United ... models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to ... (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13 S. Mormede, A. Dunn and S.M. Hanchet ...

   Meeting

7. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

   the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ... interval of three years with no fishing in between; and changes in net selectivity resulting in a shift in ... , should not occur earlier than four years after a good recruitment. A forward shift in partial recruitment ... 50% F 0.1 with F increasing three or five years after a good recruitment; pulse fishing at an ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Автор(ы): Köster, F.W. and K.-H. Kock

8. Status of krill target strength

   cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... dependence of target strength on both animal size and transmit frequency, notwithstanding admitted ... shortcomings. Some recent single-animal measurements of target strength for live euphausiids and euphausiid ...

   Meeting Document : WG-KRILL-92/11 : Автор(ы): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

9. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   include krill in food-web models and to guide modellers to key sources of data. It describes the strengths ... fishery (sustained sampling in one place and wide area and time coverage) and via predators (long time ... . Temporally, the intense (order of magnitude) interannual variability in krill population size within the ... . Growth in spring, summer and autumn is now fairly well quantified, but mortality remains an enigma. We ... ) method has been in use for 20 years but there have been various attempts to use other analytical ... length) and relatively long lived (up to 7 years), can swim fast and maintain their position in the ... and the seabed. Schmidt et al. (2011) included this habitat in the abovementioned 20% calculation ... (Kawaguchi et al., 2005). The fishery effort in recent years has been concentrated mainly in the Scotia ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Автор(ы): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

10. Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni (TOT) South Sandwich Islands (Subarea 48.4)

    Subarea 48.4 North and 30 tonnes for Dissostichus spp. in Subarea 48.4 South f 48 tonnes for D ... recapture years down columns. TOT 48.4 12 26. Stock trajectories and key indices are shown in ... (Figure 4) is estimated further to the right than in previous years, reflecting the progression of the ... samples from the Bayesian posterior, where the predicted future SSB was below 20% of B0 in the ...

    Document : Site Section: Publications

Страницы