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1. On the power to detect changes using the standard methods for monitoring parameters of predatory species

   changes of 10%, 20% and 30% of the mean value (males, 12.4 days; females, 10.0 days) for the 5 years ... and by females was 3.9 days. The requisite sample sizes for detecting changes of 10%, 20% and 30% of the mean ... , for detecting changes of 10%, 20%, and 30% of the mean values are shown for Adelie and chinstrap penguins ... estimated the sample sizes required to detect changes of 10%, 20%, and 30% of the mean values for Adelie ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson

2. Some thoughts on precautionary measures for the krill fishery

   of the spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75 ... estimates can be made, leading to more precise conservation measures. Article I1 of the CCAMLR Convention ... that with a lifespan of five to seven years, at least two generations of krill have passed through the system since ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Author(s): Everson, I. and W.K. de la Mare

3. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   animal, but it is less intrusive than killing birds for dissection. Food recovered from stomachs ... / C12; δC13). δN15 gives an indication of the trophic level at which an animal feeds, while δC13 indi ... several months or years and feathers the period prior to moult. Biodegradable samples (blood or flesh ... ) need to be stored in 70% alcohol or frozen at –20°C, but feathers, toenails, eggshell and bone ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan

4. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   . Pieces of the squid Illex argentinus were used for bait, with roughly 20-30 g/hook. Although expensive ... setting, hook vulnerability, CCAMLR INTRODUCTION In recent years, decreases in populations of several ... % - representing a saving of $A4.9 million and 30 300 albatrosses annually. The Japanese tuna fishery ... and polyethylene rope, to which were tied secondary lines 1.2 m long, made of Vinylon TwineTM #20. Eyeless hooks ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

5. Management and uncertainty: the example of South Georgia

   an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison ... an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison ... some 20 millions before 1965, to some 3 to 6 millions for the 1967 to 1975 year-classes, to possibly ... only 40,000 in the 1980 year-class (paragraph 20 of the report). - 346 - Accepting ... , mostly of temperate waters. 46% had maximum ages over 10 years and 19% over 20 years. The short lived ... years' production, and that the sustainable yield is small. A long period of protection, perhaps 20 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Author(s): Gulland, J.A.

6. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   . In this study, the SDWBA TS pattern and frequency response behaviours at standard survey frequencies and animal ... and the distribution of animal orientations. Due to the high variability of TS to realistic changes in parameters ... at standard survey frequencies and animal lengths are explored via a sensitivity analysis of some important ... the organism and the surrounding seawater and the distribution of animal orientations. Due to the high ... 1. 15 0. 29 3 0. 36 2 20 1. 2 0. 31 9 0. 39 4 30 1. 3 0. 37 4 0. 46 2 40 ... deviation (5, 10, 20 and 30 degrees) of the Gaussian distribution of orientation. It is observed ... . In this study, the SDWBA TS pattern and frequency response behaviours at standard survey frequencies and animal ... and the distribution of animal orientations. Due to the high variability of TS to realistic changes in parameters ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Author(s): Calise, L. and G. Skaret

7. On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611

   of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P. formosa was caught ... . were found, together with the qualitative composition of the fish fauna usually accompanying them ... . P. spinosissima was caught in seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made ... . The location of the hauls where Paralomis spp. were found, together with the qualitative composition ... in seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia ... of the hauls where Paralomis spp. were found, together with the qualitative composition of the fish fauna ... ). La premiPre espPce etait presente dans sept des 29 traits effectues autour des ilots Shag et dans 20 ... ~e WXHOW T e o p r ~ a - B 20. BMA P. formosa 0 6 n a s n ~ s a n c r l AeamAbI- no O A R H O M Y pa3y ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Author(s): López Abellán, L.J. and E. Balguerías

8. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 ... year to year over that time, ranging from ≈2 to ≈150 g m-2(fresh mass). The 1982, 1991 ... Georgia. CONCLUSION Acoustic surveys at South Georgia over the past 20 years suggest that krill ... widely from year to year over that time, ranging from =2 to =l50 g m-2 (fresh mass). The 1982, 1991 ... M ~ c c ~ ) . A~c~paJIb~b1e JIeTHMe IIepHOAbl 1982, 1991 M 1994 rr . XapaKTepH30BanHCb O C ~ ~ ~ H H O HM3KHMH ... Antarctic krill, Etipha~~sia stlperba, at South Georgia reports of large year-to-year fluctuations in krill ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

9. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

   geostrophic currents (relative to the 1 000 dbar), 20 January to 9 March 1988. 60" 55" 50" 45" 40" 35" 30 ... c p e n ~ e f i ~ H O M ~ C C ~ I II0 p a f i o ~ a ~ H Ce30HaM nOKa3bIBaeT, YTO HeQaBHO ~a6nm~asLLIkiecR B I Io~pa i io~e 48.1 ... data on krill distribution over the entire area, including all of the subareas mentioned. Further ... mesoscale surveys are needed to obtain such material. Previous surveys carried out annually over nearly 20 ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Author(s): Sushin, V.A. and K.E. Shulgovsky

10. An assessment of toothfish in Subarea 48.3 using CASAL

    , lasted from 1 May to 31 August. The remainder of the year (1 September to 30 November) constituted ... size in year Y, nY is the number of marked animals in the population prior to taking the sample ... in year Y, cY is the number of animals in the sample in year Y (which equals the number caught ... in the fishery in year Y) and mY is the number of marked animals in the sample. Accounting for growth ...

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

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