Search results

1. Can we satisfactorily estimate variation in krill abundance?

   Paper Title:  Can we satisfactorily estimate variation in krill abundance? Abstract / Description ... per unit effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator ... to year variation in krill abundance it is important that this be quantified and separated from ... fishery induced variation. The timescale for such information is discussed in the light of the needs of ... SATISFACTORILY ESTIMATE VARIATION IN KRILL ABUNDANCE?* I. Everson1 (United Kingdom) Abstract Knowledge of ... effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator of ... variation in hill abundance it is important that this be quantified and separated from fishery induced ... variation. The timescale for such information is discussed in the light of the needs of fishery management ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Author(s): Everson, I.

2. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

   Paper Title:  Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... definitions of effort and catch-per-unit-effort (CPUE), variables were modelled using linear mixed models in ... . The results strongly suggest that the krill fishery in the South Georgia area is operating at a ... critical level of krill availability which is just enough to maintain the best factory performance. In this ... . 12 (2005): 1–28 ANALYSIS OF TRENDS IN JAPANESE KRILL FISHERY CPUE DATA, AND ITS POSSIBLE USE AS A ... of effort and catch-per-unit-effort (CPUE), variables were modelled using linear mixed models in ... . The results strongly suggest that the krill fi shery in the South Georgia area is operating at a ... critical level of krill availability which is just enough to maintain the best factory performance. In ...

   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

3. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

   Paper Title:  Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by ... acoustic surveys Abstract / Description:  Acoustic surveys carried out in the summer and autumn of 1987 ... -1989 estimated the biomass of myctophids in the Atlantic sector of the Southern Ocean between 48° and ... species, Electrona carlsbergi, were found only in some limited areas. The bulk of the surveyed biomass of ... WG-FSA-90/19 BIOMASS OF MYCTOPHIDS IN THE ATLANTIC ... . Kiseleva* Abstract Acoustic surveys carried out in the summer and autumn of 19g7 -19g9 estimated the ... biomass of myctophids in the Atlantic sector of the Southern Ocean between 4go and 56° and from go to ... carlsbergi, were found only in some limited areas. The bulk of the surveyed biomass of myctophids was found ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

4. A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators

   Paper Title:  A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in ... Martialia hyadesi; will be attempted in the future. This squid is an important component of the diet of ... several species of albatross and the southern elephant seal and is probably taken in significant ... predators in the Scotia Sea is 326 098 to 330 642 tonnes, 94% of which is taken by southern elephant seals ... OF THE OMMASTREPHID SQUID MARTIALIA BY ADESI IN THE SCOTIA SEA BASED ON DATA FROM PREDATORS· P.G ... exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... seal and is probably taken in significant quantities by several other Southern Ocean vertebrate ... predators. Estimated annual consumption by known predators in the Scotia Sea is 326 098 to 330642 tonnes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Author(s): Rodhouse, P.G.

5. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... strategic frameworks for assessing uncertainty in ecosystem dynamics models. Such models have been used ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... plausible alternative hypotheses in data-poor situations. Apparent sensitivity is a function of both input ... referred to as KPFM, KPFM2 and Foosa in Watters et al. (2005; 2006; 2008a), Hill et al. (2007a, 2007b ... , 2007). Nonetheless, in its simplest form it requires 50 distinct inputs (18 point values, 29 vectors ... and 3 matrices). In the 15 SSMU–four predator configuration developed by Watters et al. (2013), it ... sensitivity of predator reproduction to variations in krill abundance. The alternative scenarios were an ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Author(s): Hill, S.L. and J. Matthews

6. Size compositions of males and females in the course of the life cycle of Euphausia superba

   BbInOJlH5ITb He TOJlbKO H3MepeHHe nOJlOB03peJlblX oc06eH KPHJl5I, HO H onpe~eJleHHe HX nOJlOBOH npHHa~Jle ... Paper Title:  Size compositions of males and females in the course of the life cycle of Euphausia ... superba Abstract / Description:  Earlier studies did not pay attention to differences in size composition ... of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Author(s): Makarov, R.R.

7. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

   in 1978/79, 1981/82 and 1986/87 Abstract / Description:  Trawl selectivity for several species of ... selectivity experiments in Statistical Area 48 in 1978/79, 1981/82 and 1986/87 seasons. These data comprise ... commercial fishery in Statistical Area 48. File:  13-Slosarczyk-et-al.pdf ... TRAWL SELECTIVITY EXPERIMENTS BY POLAND, SPAIN AND USSR IN 1978/79, 1981/82 AND 1986/87 W. Slosarczyk ... selectivity experiments in Statistical Area 48 in 1978/79, 1981/82 and 1986/87 seasons. These data comprise ... commercial fishery in Statistical Area 48. Resume La selectivite des chaluts pour plusieurs especes de ... codends on Antarctic fish were evaluated in the light of additional information presented to the CCAMLR ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Author(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

8. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   Paper Title:  Assessment and tag program adaption methods for exploratory fisheries in the CAMLR ... exploratory stocks in the CAMLR Convention Area. The assessment methodology is designed to be able to ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... tested using the assessment results for toothfish in CCAMLR Subarea 48.3 and the assessment method is ... Assessment And tAg progrAm AdAption methods for explorAtory fisheries in the CAmlr Convention AreA: An ... assessment and adaption of catch limits and tagging rates is presented for new and exploratory stocks in the ... will produce an expected abundance estimate in the following year of a given precision whilst ensuring ... using the assessment results for toothfish in CCAMLR Subarea 48.3 and the assessment method is applied ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M

9. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

   B HaCTO~IIlee BpeM~ cTa6HJIH3HpOBaJIaCb Ha ypOBHe 145 - 155 TbIC. T. BbInOJIHeHHbIe paC'-IeTbI ... . HXTHOJI. 1982, T.22, BbIn. 4, CTp. 543-547. Oco6eHHCOTH nHTaHH~ H Tpoin the area of Shag Rocks ... consideration the fact that in the 1986/87 season the recruitment in the first age group was not abundance of N ... . guntheri in 1987/88 was 152 thousand tonnes. Then the following TAC values were obtained: (a) Fishing ... intensity (F) in the predicted period is equal to the mean value of fishing mortality for the main ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Author(s): Shust, K. and R. Borodin

10. Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses

    Paper Title:  Diet study of Antarctic toothfish caught in the east Antarctic based on stomach ... for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the ... lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were very similar to those of ... toothfish and the trophic relationship between the toothfish and other species in the east Antarctic using ... Science, Vol. 22 (2015): 29–44 29 Diet study of Antarctic toothfish caught in the east Antarctic based ... for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the ... a lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were Park et al. 30 ... fluctuations in the availability of fishery resources and biodiversity in the Southern Ocean. The changes in ...

    Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Author(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*

Pages