Search results

1. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   and longlining. The annual cycle was split into three seasons: (s1) 1 December–30 April, 5 Integrated stock ... assessment for Dissostichus eleginoides using CASAL (s2) 1 May–30 September, and (s3) 1 October– 30 November ... 120 and 160 hauls, each of which were of approxi- mately 30 min duration, that were randomly located ... (s 2) 0 0 0 0 0 0 0 17 6 30 6 38 0 24 1 66 L on gl in e E (f 7) M id ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable

2. An index of per capita recruitment

   additional bias. On average, PCR will underestimate recruits per spawner by 30% if reasonable assumptions ... . On average, PCR will underestimate recruits per spawner by 30% if reasonable assumptions are made regarding ... . On average, PCR will underestimate recruits per spawner by 30% if reasonable assumptions are made regarding ... dans la forme de la relation fonctionnelle entre les reproducteurs et les recrues. Le PCR est biaise ... , le PCR sous-estimera les recrues par reproducteur de 30% si les hypothPses avancPes sont ... l'introduction de cycles sous la forme de relation fonctionnelle entre les reproducteurs et les recrues. Le PCR ...

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

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

   been in two forms; subarea or STATLANT data, and fine-scale (0.5" latitude X 1" longitude) data ... operated in water depths of about 200 and 500 m over a restricted area of about 30 x 20 km. There were ... . (1996) that the operation of the fishery in this area is likely to make some form of catch-per-unit ... characterised the area (BAS, unpublished data). This corresponds with the general pattern noted by Fedulov et ...

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

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

   . The combination of the assessment and tagging rate adaption methods can then form the basis of an early management ... then form the basis of an early management plan for exploratory fisheries. The accuracy of the catch limit ... of the assessment and tagging rate adaption methods can then form the basis of an early management plan ... ) binomial recapture model is assumed, and the main reason for this choice is that this is the form ... for the estimated parameters must be defined. For the example case, a quasi non-informative uni- form prior (Box ... presents a framework for per- forming proto-stock assessments for exploratory fisheries and a framework ...

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

5. 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

   , and the percentage of ‘mega-spawners’ (Pmega) with 0% as a target level or 30–40% where no upper size limit exists ... 1 Dec–30 Nov Catch levels for the constant catch scenarios (tonnes) 0, 250, 500, 750, 1 000, 2 500 ... to 0.44 and then 0.30, while the overall length-frequency dis- tribution does not change noticeably ... are strongly influenced by parameters such as the vari- ation in fishing mortality and recruitment, the form ...

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

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

   , IIOnyYeHHbIMH C nOMoqbm RCnOJIb30BaHHOrO B IIpoluJIoM YpaBHeHHR. BbITe~a~owee OTCIoAa PaCXoXAeHlle B OqeHKaX ... C O ~ J ~ ~ H ~ H H ~ I M OpOneBCTBOM B 1993194 r. npeAJIo~eHb1 YpaBHeHHX PerpeCCllll An% OQeHKll rOpll30HTaJIbHOAO PaCKPbITRSI ... the first three stations (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds ... an individual tow (standard tow duration was 30 minutes), this tow was discarded completely. Using ...

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

7. The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design

   form part of long time series. These include the BAS Core Programme (UK), the US AMLR survey (USA ... Kingdom Email - pnt@mail.nerc-bas.ac.uk R. Hewitt and D. Demer Southwest Fisheries Science Center ... of this paper is to describe the procedures used to design the synoptic survey, thereby forming a consolidated ... . over shelf areas close to some of the sub-Antarctic islands forming part of the Scotia Arc ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly

8. Choosing distance between acoustic survey tacks

   fluctuations. The patches may be separate, adjoin or overlap, so forming bigger concentrations which we call ... point, the extension of tacks, the form and size of the surveyed area, and the number of strata ... of the stock exploitation rate and other factors, we have to estimate the biomass with an error 8B~30 ... , · · ~ ?"., . H:'. 40 , ~ , ~,,~" !,I I6~,\ :::::;::""""-1:~:,~ 30 ...

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

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

   Pestm-1e CCCP 6b1Jla npoBe~eHa ~onrocpoqHaff nporpaMMa HccnenoBaHHfi no Bonpocy pacnpoCTpaHeHHR H 3Ko ... no 1BaM iBaM, Ha.R,D;elHU,IM B :)!(eJly;c;JBa- HH~ KanbMapoB B sonax BNCOKOA 6Monpo ...

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

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

    B AHTKOMe 0606LIJe~~ofi MOAenH BbInOBa (GY-MOA~AH) , yYH~b1BaK)qkifi nepI4oAHYeCKL.l H3MeHXFOqYK)CR ... BbIJIoBa M O X H O kiCIlOJIb3OBaTb GY-MoneJIb, B KOHeVHOM MTOre H ~ O ~ X O A A M O pa3pa60TaTb ... , C. gunnnvi are known to form large dense aggregations on the South Georgia shelf at certain times ... fisheries data are likely to form one of the primary data sources for future assessments. Towards ...

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

Pages