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1. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   . This paper examines a simple conceptual form of this problem by having a period when all the ... simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... of the data pertinent to building some form of combined index, either as suggested above, or such ... ; and (f) plotting of indices in the form of 'control charts'. Two types of charts could be examined ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable

2. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   consider only those fish greater than or equal in total length to 30 cm. This group is composed of ... been measured and which were 30 cm or greater in total length: males: total mass = 0.001322.L,"J5 ... (SC-CAMLR, 1997). These have the advantage that they provide a graphical form that clearly indicates ... : Plots of monthly mean C, for the period 1975 to 1953. Days since 30 January Figure 6: Fur seal pup ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock

3. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   knowl- edge gaps. Otoliths form M. whitsoni and M. caml cannot be distinguished from simple observation ... and can live to at least 27 years, M. caml takes more than 30 years Table 4: Discriminant analysis ... species and sex, grouped into ten equal-width bins (centre value of bin shown on x-axis). 60 50 40 30 ... – male M. whitsoni – female M. caml – male M. caml – female 60 50 40 30 20 10 0 N um be r o ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Auteur(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

4. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   parasitised crabs of either sex do not form part of the spawning stock, and that post- parasitised crabs do ... crabs are sterile and do not form part of the spawning stock. Parasitised crabs suffer a slightly ... do not form part of the spawning stock. The point is that given a non-zero level of infection, the ... spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M

5. Beyond MSY: a consideration of definitions of management objectives

   fishing on the natural rate of increase can be derived from the earlier equations in the form C = R ... exploited. In the simplest form of this situation, in which the stock-recruit relation is known, it is ... stock-recruit relation is not easy, some estimate of its general form and hence of the form of the ... largest stock in the data series, the MNR for plaice being indeterminate but certainly less than 30 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.

6. Estimating optimal observer coverage in the Antarctic krill fishery

   on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... placés sur environ 50% des navires pêchant en une saison et étaient présents à bord pendant environ 30 ... (% ) T ot al h au ls w it h kr ill sa m pl in g (% ) A ca m ar 20 02 30 7 ... 05 46 3 22 4 13 7 61 56 30 41 12 Fe ol en t 20 05 43 1 43 6 32 6 ... been present on board for about 30% of that season. They have achieved a rate of krill sampling ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Auteur(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

7. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   the hyperiid T. gaudichaudii, krill and mysids form their staple food. A comparison with earlier ... Bundesrepublik Deutschland. Arch. Fisch. Wiss. 30 (Beih.l): 40-61. 19 1:5 41° w 39° 37" 35° .:.::I· ~t ... ubiquitous, albeit much smaller T. gaudichaudii which has a much lower caloric value than krill. In these ... T. gaudichaudii (62.5%), E. superba (22.1 %) and mysids (predominantly A. maxima) (21.3%). Although ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

8. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... consecutive modes at 8–9, 30–40 and 50–70 mm in December, and assumed they rep- resented the 0+, 1+ and 2 ... 5. 0 0. 15 8 0. 13 2– 0. 18 4 –0 .4 –0 .6 to – 0. 1 A ll 30 4 1– 14 22 ... P en in su la 1 A ll 12 51 0– 12 30 .3 - 0. 06 4 - –1 .5 - C om bi ne ... d1 A ll 17 86 0– 14 30 .8 - 0. 07 3 - –1 .2 - C os ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn

9. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   platforms of land ice that form where glaciers or ice sheets flow towards a coastline and onwards over ... that form fol- lowing ice-shelf collapse will be susceptible to colonisation by species from areas ... to better inform CCAMLR management decisions (CCAMLR, 2009b; www.ccamlr.org/ resolution-30/xxviii ... ); and Subarea 88.3 has 30 individual areas, with a total area under ice shelves of 88 538 km2 (equiva ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Auteur(s): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

10. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

    ) provides output in the form of measurable state variables such as biomass and, trivially, catch. An ... ) where ( ). denotes the expectation operator and 2 Q x denotes the quadratic form Tx Qx. The vec ... represent the dynamics of real ecosystems. The operating model can be written in the gen- eral form ... simulations. Parameter Value MPC prediction horizon N = 20 Input bounds Umin = [400 400]T Umax = [1 000 ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon

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