Search results
-
Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
made at depths between 360 and 1 950 m. D. eleginoides was present in all hauls, with catches varying ... 950 m. D. eleginoides was present in all hauls, with catches varying from 53 to 1 158 kg. The ... , comparing the current length structure of catches with others from previously described places. Results ... being present in all hauls, with catches varying from 53 to 1 158 kg. This circumstance makes it ... seems that the presence of this front as a dynamic process, in combination with the presence of ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Author(s): López Abellán, L.J
-
Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
. Finally, attention is drawn to the unrealistic behaviour of the simulation model with respect to the ... behaviour of the simulation model with respect to the values used for the minimum catch rate per overall ... , the demand for each product can be seen to change from year to year. We do, therefore, agree with him ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Author(s): Ichii, T. and Y. Endo
-
Fish distribution and biomass in the Heard Island zone (Division 58.5.2)
were not analysed. where new sites had to be designated. Otherwise, For biological examination ... at random 500 were new. There is a danger, when successive surveys use the same sampling sites ... these were also examined for sex, gonad maturity new locations for half the sites in all strata in the state ... distribution, but abundance is lower and less variable with location and between surveys. Dissostichus ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare
-
Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
for these new survey items may be deter- mined using the procedures described in this study. To ultimately ... , Princeton, NJ. Cochran, W.G. 1977. Sampling Techniques. Third Edition. John Wiley and Sons Inc., New York ... . Ntzoufras, I. 2009. Bayesian modeling using WinBUGS. John Wiley and Sons Inc., New Jer- sey, USA. Okuda ... /. Thompson, S.K. 2002. Sampling. Second Edition. Wiley, New York, USA. Turner, J., S.R. Colwell, G.J ... datasets were calculated by the multistage sampling formula with the variance terms derived from the ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Author(s): Okuda, T. and M. Kiyota
-
Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
and Gonzalez (1989), comparison between years results naturally in a new level added at the top. Exact F tests ... . Restrictions have been fixed in accordance with the recommendations of the fourth meeting of WG-CEMP: minimum ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Author(s): Marschoff, E. and B. Gonzalez
-
Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
correlations with previously published interannual series of acoustic density estimates from scientific surveys ... cant correlations with previously published interannual series of acoustic density estimates from ... the krill supply to the factory, with the result that production is constant above this point. By ... fi shing grounds matched reasonably well with the two survey boxes. Statistical methods Analysis ... levels of bssmu.f. Analysis of CPST The same methods were used to model CPST (kg/min) with the ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Author(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
-
Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
was absent in the catches. These trends are consistent with those observed in scientific cruises ... absent in the catches. These trends are consistent with those observed in scientifi c cruises studying ... , with an increasing trend from 2002 to 2006 (Figure 1). At HC, the observed mean of the relative ... date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year mean values. 0 ... , particularly over the last two years. These observations are consistent with results from bottom trawl ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff
-
Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
stocks, some new data which have been acquired since these works. 2. METHODS The data are from ... the most exploited sector for the catch of this large-sized species. Fishing effort on this new target ... of each new cohort before it begins to be exploited. The N. squamifrons stock is at present being over ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Author(s): Duhamel, G.
-
Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
involved in the survey with one vessel conducting commercial krill fishing. The whole survey area from the ... with one vessel conducting commercial krill fishing. The whole survey area from the coast to ... commercial-sized trawl with a vertical opening of 42 to 44 m. Mesh size in the codend was 10 mm. A trawl ... found covered by ice with krill concentrations observed in immediate proximity to the ice edge. When ... with gyres. This is particularly obvious from the data for subarea I in 1988 and for subarea Il in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Author(s): Dolzhenkov, V.N. and V.P.Timonin
-
Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
. mawsoni on BANZARE Bank is similar to that hypothesised for the Ross Sea population with analogous ... Toothfish are the largest nototheniid species in the Southern Ocean, with two species having a cir ... population with analogous latitudinal patterns in sexual maturity and size composition. The study indicates ... Hureau, 1985; Gon and Heemstra, 1990). However, there is over- lap with D. eleginoides and confusion ... . Biological data were collected by scientific observ- ers in accordance with the CCAMLR Scheme of ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Author(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami