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1. Estimating optimal observer coverage in the Antarctic krill fishery

   overlap between hauls sampled for krill biological parameters and the total fishery hauls. Headings ... by-catch. A partial coverage sampling program has been implemented in South Georgia since 2002 ... and between-haul variance was estimated. For krill mean length and larval fish by-catch rate, between ...

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

2. Selectivity of commercial and research trawls in relation to krill

   mean length in catches made by both trawls was  ∆L = 6.2 mm. Statistically significant variability in ... krill length composition was observed between catches made by the research trawl, while in commercial ... length in catches made by both trawls was AL = 6.2 mm. Statistically significant variability in krill ... length composition was observed between catches made by the research trawl, while in commercial trawl ... as derived from samples taken by pelagic krill trawls, which is not an effective means of taking ... carried out in the Elephant Island area in January, 1985. The same krill aggregation was fished by two ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Author(s): Kasatkina, S.M

3. Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region

   were generalised Bayesian population models and were optimised by fitting to fishery observations ... scenarios suggested that the current single-area stock assessment is biased low by 19–43%. File:  06 Mormede ... models were generalised Bayesian population models and were optimised by fitting to fishery observations ... scenarios suggested that the current single-area stock assessment is biased low by 19–43%. Mormede et ... . Estimates of stock status were mostly informed by the tag-release and tag-recapture data. An important ... region is constrained by areal closures (approxi- mately 70% of the total region), local area catch ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Author(s): Mormede, S., A. Dunn, S. Hanchet and S. Parker

4. Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited

   Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ... the 1970s and 1980s by the Fischkombinat in Rostock (former GDR), Sea Fisheries Institute in Gdynia ... Joinville–D’Urville Islands was revisited in the course of the Antarctic Expedition ANT XIX/3 by RV ... by the Fischkombinat in Rostock (former GDR), Sea Fisheries Institute in Gdynia (Poland) and ... the spiny icefi sh (Chaenodraco wilsoni) in 1978/79 and 1979/80, reported by Poland and the former ... GDR (1978/79 only), and a by-catch of ocellated icefi sh (Chionodraco rastrospinosus) of 350 and 390 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina

5. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   , equation (3) is subsuming them into the natural mortality of krill used again with Ny replaced byRY, i.e ... suggested by the Joint Meeting of CCAMLR's Working Group on Krill (WG-Krill) and Working Group for the ... as functions of krill abundance, by considering a krill dynamics model incorporating recruitment ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson

6. Analysis of haul data from the South Georgia krill fishery

   :  Data from individual hauls carried out by vessels operating in the South Georgia krill fishery between ... several hauls were undertaken by each vessel (average 7.9 in 1993,9.9 in 1995, and 7.0 in 1996), with ... out by vessels operating in the South Georgia krill fishery between 1994 and 1996 were examined and a ... along the shelf edge on the northern coast of the island. Each day several hauls were undertaken by ... times, bathymetry, shelf-break, CCAMLR INTRODUCTION management adopted by CCAMLR regards such ... environmental (see review by Miller and Hampton, 1989) and socio-economic factors. Although socio-economic ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

7. Validation of sink rates of longlines measured using two different methods

   compared to 0.17 ± 0.03 m.s –1 recorded by TDRs. This difference was not statistically significant (t 12 ... ± 0.02 m.s –1) were significantly slower than those measured by TDRs (0.24 ± 0.03 m.s –1, t 10 = –3.851 ... with bottles averaged 0.23 ± 0.07 m.s–1 compared to 0.17 ± 0.03 m.s–1 recorded by TDRs. This ... measured by TDRs (0.24 ± 0.03 m.s–1, t10 = –3.851, P = 0.003). Measuring sink rates to 15 m proved diffi ... recently required by CCAMLR to achieve longline sink rates of 0.3 m.s–1 to a depth of 15 m (Conservation ... pueden ser archivados. Keywords: toothfi sh fi shery, bottom longline, seabird by-catch, line sink rate ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson

8. Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89

   maximum, for the last nine seasons the total fishing intensity by the USSR around Elephant Island has been ... km/day (11 to 13 cm/sec). An analysis of the location of fishing grounds by five-day periods showed ... seasons the total fishing intensity by the USSR around Elephant Island has been low. In 1988/89 only one ... 13 cm/sec). An analysis of the location of fishing grounds by five-day periods showed that the areas ... provides a better understanding of strategies employed in the krill fishery by various nations. This ... 1 200 hauls. This constitutes some 70 to 90% of the total number of hauls made by the Soviet fleet ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov

9. Modelling and decision making as part of the CCAMLR management regime

   considerations could be incorporated under the heading of "Industry and fish" and ecosystem considerations ... PaCqeT BenHqHHhf BW- ITporHo3HpYKXl{aH MO- nOBa CBH3aHHWX BHAOB Aenh B03BpaTa K npe~HeMY COCTOHHHro ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.

10. 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

    trawl ground at HIMI were used to estimate M. Catch and releases by age class for this fishery were ... were used to obtain recapture numbers by age class. Two alternative estimation models were programmed ... estimate M. Catch and releases by age class for this fishery were obtained using proportions-at-length and ... recaptures of fish released in this fishery were aged and these were used to obtain recapture numbers by age ... ) models by Candy (2011), (see that paper for a detailed descrip- tion of the models and estimation ... populations combined with multi-year catch-at-age and aged mark-recapture data by Candy (2011). These sim ...

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

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