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1. Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).

   distribution of size–age groups in association with particular water masses indicated that age 2+ krill ... dominated in cold Weddell Sea waters in the southern parts of the fishing area, while older age classes (3 ... life-span of E. superba range from 3 to 8 years (Marr, 1962; Makarov, 1983; Aseev, 1984; Ikeda, 1984 ... in 2009 and 0.8 in 2010 (Figure 4a, b). Swarms with predominantly older (3+, 4+ and 5+) and younger ... (2+, 3+) cohorts of krill were found. Furthermore, there were mixed swarms with inter- mediate mean ... absent in both years (Figure 3). The absence of the 1+ age cohort in the area around the South Orkney ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Автор(ы): Sologub, D.O. and A.V. Remeslo

2. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

   (Euphausia superba) fishery. The current precautionary catch limit was based on supplying the GYM with a ... krill around the Antarctic Peninsula (Subarea 48.1) along with increasing rates of natural mortality ... the annual size distributions of krill in penguin diets. Simulations with either no fishing, or with ... to 45%) and finally to 3 (5% annual survival). The scenarios with a variable range of annual ... = 3, was the escapement rule with catches at the precautionary catch limit appreciably triggered for ... either a high proportion or a low proportion of recruits, with fewer years having intermedi- ate ... years with low total abundance would have less effect on future population sizes than smaller ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Автор(ы): Kinzey, D., G. Watters and C.S. Reiss

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

   optimisationbased approaches such as MPC are computationally capable of dealing with EBM-type problems. They are ... . Mar. Sci., 57 (3): 778–791. Couchman, P.D., M. Cannon and B. Kouvaritakis. 2006. Stochastic MPC with ... capable of dealing with EBM-type problems. They are also useful for assessing the feasibility of ... unacceptable levels. Hill and Cannon 120 Maguire, 2002), which is concerned with control- ling the states ... (Walters, 1986). Robust control aims to achieve specified objectives for the state of systems with ...

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

4. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   with the information collected by international scientific observers from each vessel. It was thus ... vessels, one vessel from each country having made two fishing trips, as indicated in Tables 1 and 3 ... XXlIl Mar del Sur Arbumasa XX Total Trip 1 Trip 2 0 3 15 2 6 0 0 2 6 0 0 3 0 0 0 0 3 0 0 0 0 4 0 0 ... CCAMLR Science, Vol. 3 (1996): 79-91 FACTORS AFFECTING ... national fishing authority and supplemented with the information collected by international scientific ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Автор(ы): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

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

   contrasted with the effects of harvesting healthy animals only. Equilibrium and transition dynamics of the ... total number of adult parasites in the previous year, again with a constant coefficient of ... healthy and infected animals are contrasted with the effects of harvesting healthy animals only ... MnM HaMepeHHOTO M3'bRTkiX M 3 nOnynXUMM MH@MQM~oB~HH~IX ~ p a 6 0 ~ . TO B O C O ~ ~ H H O C T ... ~a~b1 IIOAqepKMBaWT BaXHOCTb TOTO, YTO IIpH p a s p a 6 o ~ ~ e CTpaTerMM YIIpaBneHMX 3~0fi n0nyn ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Автор(ы): Basson, M

6. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... then compared with similar data obtained in 2002 in the same fleet in the same fishing grounds prior to ... depre- dation with ‘almost the entire catch’ lost from some lines. Off Chile, sperm whales have been ... catch damage was two-fold less with the use of the new system (Figure 3). One important observation ... % to less than 1.5%, with an average of 3%. This is certainly an underestimation of the predation ... Universidad Austral de Chile who have been working with us in recent years: Keno Olivares, Patricio ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Автор(ы): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

7. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   -134.5 42.6 19.6 8 3 6 2 7 131 Time of Year February-March (1996) January-February (1981 ... correct, with values of between 7 and 18 million tonnes per year. Given the way in which the ... , YTO COOTBeTCTBYeT MeHbLUIlM H 3 n p e n n o n a r a B r u H x c a no 3 ~ 0 r o s ~ a u e ~ ~ W ... cKopee Bcero B03paCTYT, T.K. IIpM PaCqeTe IIpeAOXpaHMTenbHbIX 0rpa~Mqe~Mfi Ha BbIJIOB ~ c n o n b 3 y e ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Автор(ы): Nicol, S., A.J. Constable and T. Pauly

8. Note on estimating krill abundance from acoustic data on individual aggregations

   abundance has been echo-integration (cf. Forbes and Nakken, 1972; Johannesson and Mitson, 1983; Maclennan ... estimate krill abundance over large areas (Miller and Hampton, 1989a). In recent years, advances in ... Hampton, 1990). 3. ABUNDANCE ESTIMATION FROM AGGREGATION DENSITY In some cases the integrator output ... A the area surveyed. The problem with this estimator is that neither BAg nor SAg, nor their ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Автор(ы): Hampton, I. and D.G.M. Miller

9. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   monitoring conducted just prior to, or early in, the fishing season. For the purposes of illustration and ... fishery would be restricted in some of its traditional fishing grounds during years of low krill ... with permission from the data collectors. South Georgia South Shetland Islands Year Krill (g m–2 ... is a dynamic allocation based on land-based predator monitoring conducted just prior to, or early in ... traditional fi shing grounds during years of low krill availability. Under all fi ve options there would be ... small-scale man- agement units (SSMUs). The Commission further directed the Scientifi c Committee to ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Автор(ы): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

10. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

    point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR Ecosystem ... -October, with adult numbers reaching a peak in early November (Figure 1). Many of these penguins form ... reference point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR ... adjust counts of penguins at their breeding sites with date- or stage-specific factors is related to ... may be biased estimators of the breed- ing population and hence have low comparability with counts at ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Автор(ы): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

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