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

   different guidelines under more realistic population models, taking account of the objectives set out in ... Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... nominal effort each year, based on the values of F and fishing effort in the most recent years. Since ... realistic population models, taking account of the objectives set out in Article 11 of the CCAMLR ... resource management to administrators and industry. In later years it has come under increasing ... 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 : Autor(es): Gulland, J.A.

2. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   highly skewed, with medians in the three years of 621, 2 852 and 550 birds respectively. 95% confidence ... there must have been at least one encounter with an FPV in a year; no encounters in a year are ... measures. Three years were analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 ... , and confidence intervals for, fish and bird catches by IUU vessels. In order to estimate an IUU catch ... in the early licensed fi shery (1997) when few vessels used mitigation measures. Three years were ... skewed, with medians in the three years of 621, 2 852 and 550 birds respectively. 95% confi dence limits ... 000 m bathymetric contours. South Georgia Island 30 W 5 3 SUBAREA 48.3 1 40 W Areas used in ... estimated, and so initially its use was restricted to the fi rst three fi shing years in the series. For ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood

3. Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies

   these species are summarized in tables with details on area, season and source of data. Some data, e.g ... . length composition of samples, are also illustrated in figures. The importance of studies on the role of ... myctophids in the Antarctic ecosystem is highlighted. File:  26-Sabourenkov.pdf ... distributed and abundant, with more than 20 species found in the area. Most of them have a circumpolar ... mesopelagic fish in Antarctic waters published in the last 5 to 7 years. The paper deals specifically with ... dense concentrations. In the sub-Antarctic area there are about 20 species of myctophids and about 13 ... macroplanktonic organisms in their diet, including E. superba. In the areas where myctophids occur together with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Autor(es): Sabourenkov, E.N.

4. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   -weight data of research and fishery survey cruises in the Shag Rocks area from 1978 to 1986. The natural ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... Patagonian rockcod were found to be 2.5 years and 12.6 cm. File:  09-Shilbanov.pdf ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... , % 60 -40 20 n=1470 2. 3 Lt 5 6 Age, years Figure 2: Age composition of P.g. shagensis in ... - t' mean age of fish, 3.42 years age of year class which is fully represented in catches and does ... of 2 to 5 years are most abundant. Sexual maturity is attained by fish at 11 to 13 cm length, 20 to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Autor(es): Shlibanov, V.I.

5. Status of the Polish FIBEX acoustic data from the West Atlantic

   / Description:  Acoustic data from the Polish FIBEX survey in the West Atlantic were analysed using recent ... densities of krill in the oceanic parts of the Drake Passage were low (3 g m-2); however, the results also ... in the Bransfield Strait. These results are discussed in the context of spatial and seasonal ... focus of commercial fishing activity in recent years (cf. Everson and Goss, 1991; Ichii et al., 1994 ... , Madingley Road Cambridge CB3 OET, United Kingdom Abstract Acoustic data from the Polish FIBEX survey in ... , 1991a). This analysis indicated that the acoustic densities of hi l l in the oceanic parts of the ... density. High acoustic densities of krill(77 g m-') were also present in the Bransfield Strait. These ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Autor(es): Trathan, P.N., J. Kalinowski and I. Everson

6. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   calculated from acoustic data. Changes in the lengthfrequency distribution of krill over a period of a few ... weeks produced a 10% difference in TS, whereas simultaneous samples from predators and nets produced ... 0.9% (1994) to 6.4% (1996) and is shown for all years in Table 1. There was a significant ... results in a survey variance of 20% (Brierley et al., 1999). By integrating data from land-based ... to be independent to avoid interrelated estimates. For South Georgia, there is a 20-year time ... split year, i.e. 1993/94 = 1994) from carapaces in scat samples collected during the lactation period ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Autor(es): Reid, K. and A.S. Brierley

7. Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

   Adélie penguins at Béchervaise Island Abstract / Description:  Temporal variability in a series of CCAMLR ... examined for Adélie penguins over a period of 12 years. Data were collected from 1990/91 to 2001/02 at ... while other parameters, such as arrival counts and incubating nest counts, are more stable between years ... output from the Automated Penguin Monitoring System (APMS), were also examined in terms of their ... (Kerry et al., 2000). For consistency, a similar subset of years was exam- ined in the correlation ... to 20, 15 and Emmerson et al. 79 Temporal variability and interrelationships in CEMP parameters ... 90 30 / 11 / 19 90 05 / 12 / 19 90 20 / 12 / 19 90 25 / 11 / 19 90 18 / 12 ... 97 30 / 11 / 19 97 03 / 12 / 19 97 20 / 12 / 19 97 21 / 11 / 19 97 20 / 12 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Autor(es): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell

8. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and Kerguelen Island. Longlining for D ... associated with longlining in the Kerguelen region were lower than those reported for the South Georgia area ... observed during the last 20 years (Woehler, in press) underlines the importance of quantifying the ... within a n d outside the CCAMLR area, and in recent years the D. eleginoides fishery h a s been t he ... for Patagonian toothfish (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and ... albatross species. Mortality rates associated with longlining in the Kerguelen region were lower than those ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Autor(es): Williams, R. and D. Capdeville

9. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   off Kerguelen in 1999 were estimated by reading transverse-sectioned otoliths. Randomly interspersed ... estimated to be –0.6 years and residual variance 2.9. Age distributions of toothfish caught by two vessels ... showed discrepancies due to gear-specific catchability, or differences in the available population with ... depth or season. Age–length keys were constructed for use in assessing toothfish catches made by ... ge ( ye ar s) 0 10 20 30 40 50 Reference age (years) 0 10 20 30 40 50 E st im at ed a ... Estimated age (years) 0 10 20 30 40 50 T ot al le ng th ( cm ) 0 20 40 60 80 100 120 140 (a ... смертности Z по оценке лежит в диапазоне Ashford et al. 30 Introduction In contrast to early sealing ... and between years. Differences in q between the two vessels, as well as availability with depth ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Autor(es): Ashford, J., G. Duhamel, C. Jones and S. Bobko

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

    correlated (>0.6). Criteria for inclusion of parameters in the indices are discussed when parameters are ... statistical procedure adopted by WG-EMM in 1996 for identifying anomalies in CEMP parameters. The power of the ... appeared in the data. An alternative procedure, using estimates of the mean and variance of baseline time ... in CCAMLR. File:  06delamare-constable.pdf ... simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... total length of the time series (20 years was better than 10) and the proportion of the time series in ... 0.0454 0.0306 0.0212 0.0162 0.0142 Anomaly-free Length = 20 Years The power shown in Table 4 is ... provides for quite good power. Increasing the baseline to 20 years leads to only a moderate increase in ...

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

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