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1. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   obtained using proportions-at-length and fishery- and year-specific age–length keys (ALKs) for years 1998 ... :  Attempts to estimate natural mortality, as a single constant M, simultaneously with other model parameters ... fishery, the CCODE model gave a well-behaved profile for the log-likelihood with the corresponding ... 0.055 to 0.250 (based on a Poisson over-dispersion estimate of 3). In contrast, the BODE model gave ... B and C were 8 284 and 3 416 respectively, with trawl responsible for 2 158 of the Ground C num ... terms of estimates of R0 correspond with this theory. Table 3 gives results when the fraction of the ... cohort that was age 1 in 1987. The subsequent years until 2002 showed a stable recruitment series with ... seen so strongly in later fishing years, most probably for a combination of the following reasons: (i ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Автор(ы): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

2. SC-CAMLR-SSP/9

   \ = time between the beginning of the year and the beginning of the research survey. (1) (2) (3 ... ............................................................................................ 3 AN ITERATIVE MODEL TO CONSTRUCT AN AGE/LENGTH KEY TO ASSESS THE AGE COMPOSITION OF A NEW ... OF AN ACOUSTIC ECHO-INTEGRATION SYSTEM IN A DEEP TANK, WITH SYSTEM GAIN COMPARISONS OVER STANDARD ... , AND ITS OVERLAP WITH THE KRILL FISHERY K.R. Kerry, lR. Clarke and G.D. Else ...

   Document : Site Section: Publications

3. e-sc-xvii-a4.pdf

   ... individuals/m2. In comparison with data from other years the abundance of larvae in 1997 was extremely high ... ends of South Georgia were calculated. In four of these years the density was higher at the eastern ... to half the population were in the size range of 39 to 47 mm 128 (3+ year class), no juveniles (1 ... % were in year class 3+. 4.18 WG-EMM-98/37 presented data on the population structure of krill sampled application/pdf attached to:WG-EMM-98

   Meeting Report : WG-EMM-98

4. A balanced model of the food web of the Ross Sea, Antarctica

   levels are in close agreement with those derived from isotope and other ecosystems. In the balanced model ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... fixed at zero. Models such as this are highly under-constrained, with >3 times more parameters to fit ... %), components of the model. Trophic levels are in close agreement with those derived from isotope and other ... –47%), ледовые бактерии (61–72%) и ледовые 3 A balanced model of the food web of the Ross Sea ... - culated from this model, other models and with TLs estimated from stable isotope data. Finally, the ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Автор(ы): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

5. Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985

   rebuild the stock around South Georgia might be successful. Although reported catches in recent years have ... may indicate Lhat the stoc,:. has changed little wiLhin a 3 years per:iod even under low Iishi.ng ... around South Georgia might be successful. Although reported catches in recent years have been low, N ... Lhf> end of the 1960s Lhe c-,pecies 1,>as probably one of the most abunearly 19th (F.~NXT:iG, 1833) and whale.re-, in the early LO th r:0nt1Jries (LbNNBERG ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Автор(ы): Kock, K.-H.

6. Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)

   particularly apparent during the late guard to early crèche stages of chick rearing, coinciding with the timing ... differences between the two seasons included A5: foraging trip duration, A6: breeding success and A8: meal ... to the diet in 2003 but was only a minor component in 2001. Differences between years were ... period. Data on meal mass and foraging trip duration were combined to provide an index of provisioning ...

   Meeting Document : WG-EMM-03/44 : Автор(ы): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)

7. Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island

   Seal Island were conducted to identify and evaluate their foraging areas during early January 1990/91 ... . 2-3 km in horizontal distance) of higher densities (≥250g/m2). In the inshore foraging areas krill ... , in the inshore foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of ... nongravid krill, were dominant with occasional occurrences of juveniles (modal length 21 mm). In contrast ...

   Meeting Document : WG-KRILL-92/27 : Автор(ы): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)

8. e-sc-viii-a6.pdf

   ... mortality (F0.1, Fmax, 2 x Fmax); • harvesting constantly at 50% F0.1 with an increase of F 3 or 5 years ... after a good recruitment; • pulse fishing at an interval of 3 years with no fishing in between; and ... estimated for the last two years when the fishery has been regulated may not be directly comparable with ... pattern of fishing has varied in recent years, with the effective age at first capture now at 2 years application/pdf attached to:WG-FSA-89

   Meeting Report : WG-FSA-89

9. Physical forcing in the southwest Atlantic: ecosystem control

   temperature anomalies at lag periods of approximately 3 to 4 years. Crosscorrelation analyses with temperature ... temperature fluctuations in the Pacific, with the Pacific leading South Georgia by approximately 3 years ... periods appear to be prior to the breeding season during the summer and early autumn of the preceding year ... physical environment has been recorded since the early part of the last century. For example, ocean ...

   Meeting Document : WG-EMM-04/34 : Автор(ы): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)

10. An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia

    operations for Dissostichus eleginoides off South Georgia were assessed for interactions with seabirds and ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ... mother line was attended by one or two winchmen working a watch of c. 3 to 4 hours. As they came to the ... sampling of toothfish was taking place, and as far as possible to cover the early, middle and late stages ... hauling after setting of the line had continued into early daylight hours on 3 April: these were ... Longlining operations for Dissostichus eleginoides off South Georgia were assessed for interactions with ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Автор(ы): Ashford, J.R. and J.P. Croxall

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