Search results
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
feedback management as an approach that ‘will use decision rules to adjust selected activities (dis ... 7 and dis- cussed in ‘Results’. State estimation In living resource management in general, and EBM ... ) and estimation theory (e.g. Luenberger, 1966; Kwakernaak and Sivan, 1972) have given con- siderable attention ... and Sivan, 1972). Observability can therefore be used to identify which variables to measure. Assessment ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome filholi) over 22 years ... at study colonies of macaroni penguins (Eudyptes chrysolophus) over 26 years, as there was also for eastern ... because they are dis- crete and of relatively small size, enabling accurate counts to be undertaken from ... (Pachyptila belcheri and P. desolata) have substantial overlap in their diets while breeding, but have dis ... chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome filholi) over 22 years ... (E. chrysolophus) and the eastern rockhopper pen- guin (E. chrysocome filholi). For both species, the numbers ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Author(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill
by the CCAMLR decision rules for different gamma levels have been based on the Beta dis- tribution ... , or in such methods as CMIX, is based on the size dis- tribution in each year being independent of the size ... south to the eastern Subareas 48.1 and 88.3. The South Georgia series were R1 data from Watkins (1999 ... does not meet the deci- sion criteria at half the precautionary catch limit (Figure 8(a), middle ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
a more southern dis- tribution, typically in higher latitudes south of 65ºS, is in Subarea 88.1 ... ., 2002), particularly from southwest Atlantic waters (Permitin and Tarverdiyeva, 1972; Tar- verdiyeva ... , 1972; Zhivov and Krivoruchko, 1990; McKenna, 1991; García de la Rosa et al., 1997; Pilling et al ... – 146. Permitin, Yu.Ye. and M.I. Tarverdiyeva. 1972. The food of some Antarctic fi sh in the South ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Author(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
in the shallow (108-166 m), nearshore waters of the north eastern shelf of South Georgia. Low values ... waters of the north eastern shelf of South Georgia. Low values of the abundance index, including most ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Author(s): Ślósarczyk, W. and I. Wójcik
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
on the Kerguelen Shelf (1969 to 1972), and during the period reflecting the current state of the exploited ... varied from 1 to 15 years. In the first years of the fishery (1969 to 1972) primarily older aged fish ... 29.7 32.2 34.3 36.2 37.9 39.4 40.8 (1969-1972) Both sexes 20.1 23.3 26.3 29.1 31.7 34.0 36.2 38.3 ... 796 970 1148 1329 1508 (1969-1972) Both sexes 129 221 337 472 625 792 969 1152 1338 1526 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
the size–age structure of pop- ulations based on length-frequency distributions (Marr, 1962; Makarov, 1983 ... of E. superba range from 3 to 8 years (Marr, 1962; Makarov, 1983; Aseev, 1984; Ikeda, 1984; Candy ... . Antarctic, 22: 107–120 (in Russian). Marr, J.W.S. 1962. The natural history and geogra- phy ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
zooplankton. They have schooling behaviour that gives rise to very large swarms and a patchy dis- tribution ... ) may reduce this problem, but such analyses yield climatologies rather than synoptic pictures of dis ... (e.g. Marr, 1962; Miller and Hampton, 1989; Quetin et al., 1994; Everson, 2000; Croxall and Nicol ... - ses of large-scale composites of net data (e.g. Marr, 1962; Mackintosh, 1973; Atkinson et al., 2008 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
, in the middle and the 15-metre near-bottom layer. Trawls were made at each depth at a speed of 3 to 3.5 knots ... in the eastern and northern shelf areas. April S. Georgia 41-94 140-370 42-94 180-350 56-95 190-470 ... This species was caught mainly in the southern and eastern areas where it was the predominant Channichthyidae ... specimens per haul taken in the eastern area. In pelagic hauls specimens measured from 69 to 215 mm ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Author(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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Survey design to estimate krill abundance during FIBEX
from the pack ice zone (Marr 1962; Mackintosh 1973) with the abundance decreasing rapidly some ... krill. In: the Antarctic Discovery Reports 36: 96-156. 258 MARR, J.W.S. 1962. The natural history ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Author(s): Everson, I., I. Hampton and G.M. Jolly