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1. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   also play some role. As is evident from the form of equation (3), S, incorporates pregnancy rate ... ) = S? (because all p < 0.5) S, (K) = SY/al (because all q > 0.5) Since sensibly (given the form of ... form as that for adult survival rate in Figure 2 - hence the explicit inclusion of a Type 11-like ... variation with B, in the form of the SA(B) function. Given that S , is typically close to l for higher ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Auteur(s): Butterworth, D.S. and R.B. Thomson

2. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   ) with 0% as a target level or 30–40% where no upper size limit exists. The proportional length-based ... recruitment declines linearly 0.2 Fishery parameters Season 1 Dec–30 Nov Catch levels for the constant ... such as the vari- ation in fishing mortality and recruitment, the form of the fishing selectivity ... were known exactly. The form of the selectivity functions determines directly the range of fish ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

3. An index of per capita recruitment

   underestimate recruits per spawner by 30% if reasonable assumptions are made regarding the variability of ... 30% if reasonable assumptions are made regarding the variability of mortality and the proportion of ... reproducteur de 30% si les hypothPses avancPes sont raisonnables en ce qui concerne la variabilitg de la ... H3MeHYHBOCTM CMePTHOCTH H HOnH ~-JI~THHx HepeCTXIIJtiXCR oco6eI? PCR naeT 3aHMXeHHYH) ( ~ 3 30%) OqeHKy ... un sesgo adicional. En general, el PCR subestimara en 30% el numero de reclutas por reproductor si ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Auteur(s): Hewitt, R

4. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   restricted area of about 30 x 20 km. There were also a few isolated hauls made outside this area. During ... the fishery in this area is likely to make some form of catch-per-unit-effort (CPUE) statistic a ... . 1996. Environment-krill relations in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30 ... ~ C U I T ~ ~ H ~ I X (0,5" LUMPOTbI X 1" , Q o ~ ~ o T ~ I ) AaHHbIX nOKa3bIBaK)T, YTO B Mope ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

5. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   seabed. shows track of headline height a t station 30, The captain was not aware of the information In ... Pilling and Parkes 30 T I 3.5 4 4.5 Average Head Height (m) Figure 8: Regression of average head ... d'evaluation des stocks de poissons autour de la Georgie du Sud menee en 1993/94 a bord du navire marchand ... (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds. The hydrophone ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes

6. Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean

   spe_eies is a plankton or a se111i-plankton form (Nests, l 982). Judging from the fact that the mantle of ... or semi-plankton form, The Antarctic Deep Warm Water Mass in the Southern Ocean moves southward ... quantitative distribution and biomass formed in the Polar Frontal Zone where they form schools (Lubimova ... °-30°S) north of the Antarctic Convergence exceeds lOO/m2 and their number is up to 10000/m 2 in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Auteur(s): Lubimova, T.G.

7. Choosing distance between acoustic survey tacks

   , ~ , ~,,~" !,I I6~,\ :::::;::""""-1:~:,~ 30~ ~ <: I:' · .. . I·"'t:':::::"............ --=:z"=~ 20% '= I,' 7 ... position of the starting point, the extension of tacks, the form and size of the surveyed area, and the ... stock exploitation rate and other factors, we have to estimate the biomass with an error 8B~30 ... paCCT05fHHe MeJKgy rancaMH rrpH aKycTHqeCKOH CoeMKe ~enecoo6pa3Ho BhI6Hpa T h, OCHOBhIBa~c h Ha THrrHqHOM ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Auteur(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler

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

   combination of the assessment and tagging rate adaption methods can then form the basis of an early management ... the assessment and tagging rate adaption methods can then form the basis of an early management plan ... assumed, and the main reason for this choice is that this is the form of recapture model assumed in the ... estimated parameters must be defined. For the example case, a quasi non-informative uni- form prior (Box ... -recruit curve and maturity were made to reduce the equation for r to a simpler algebraic form. The FLR ...

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

9. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   may be of importance. For example, C. gunnnvi are known to form large dense aggregations on the ... fisheries data are likely to form one of the primary data sources for future assessments. Towards a ... and probably in the long term. As in Figure 2, 1 March-30 April Mean of ln(recruits) Standard ... ~ re0prHll YCnOXHIIeTCR BePORTHOCTblo CYqeCTBeHHbIX IlePHOAHYeCKAX ll3~eHeHAfi B ~ C T ~ C T B ~ H H O ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

10. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

    form irregular but concentric zones around Heard Island. In addition, there are some shallow banks ... following changes were Each haul was for 30 minutes duration on the made with respect to summer 1992 ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 0 30 60 90 120 150 180 210 240 270 300 330 360 390 420 Standard length (mm) Standard length (mm ... 3~0f i 3 0 H b l yXe He Ha6nto~aJlocb. C K ~ T O B ~ I ~ OXBaTblBanll 60nbruy1o nnOqaAb Pi ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Auteur(s): Williams, R. and W.K. de la Mare

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