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1. WG-EMM-02

   /1 Provisional Agenda and Provisional Annotated Agenda for the 2002 Meeting of the Working Group on ... years (satellite data on Subarea 48.3) G.P. Vanyushin (Russia) WG-EMM-02/18 The US commercial krill ... /3 List of documents WG-EMM-02/30 Results of an acoustic investigation of Antarctic krill, Euphausia ... -frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba ...

   Meeting

2. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... Antarctic Peninsula region Abstract / Description:  A net sampling survey for krill was carried out by RV ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ... one summer season was roughly estimated as two times from which follows a maximum total effective ... methodological approaches. For a long time krill was thought to live only for two or three years and spawn only ... varied between Z = 0.88 and 0.96 for data from two different years. Natural mortality and the growth ... Antarctic Peninsula survey area for different years. 30 • PN87/88 29 oME89/90 28 z27 .E 26 25 ... three year life span of krill. Their age group 1 (20 to 43 mm) included the two age groups 1+ and 2 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.

3. Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf

   the South Georgia area. An analysis of the spatial distribution of C. gunnari size and age groups over ... similar age-length composition for young fish inhabiting areas to the west of the island and near Shag ... Rocks. Differences were observed between those those two groups and the eastern group. The larger number ... the age of 2-3 years. It has been found that, by number, recruits represent the largest part of the ... addition, for those years for which data on age-length composition were available, the size composition ... years of its life cycle on the western shelf of South Georgia and at Shag Rocks. These two parts of the ... sometimes observed to be completely absent for several years (e.g. 1982 year class) (Figure 4). A ... trawl was towed at 3-3.5 knots for 30 minutes. Catch- ability was assumed to be 100%. Approximately ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Autor(es): Frolkina, G.A

4. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   strategic frameworks for assessing uncertainty in ecosystem dynamics models. Such models have been used ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... Drake Passage. The model analysed here required 2 311 input values for each of four scenarios and ... recruitment through pre-recruit mortality. A parameter mediating the effect of a forcing function on krill ... provide advice to CCAMLR on the spatial allocation of the Antarctic krill catch limit for the Scotia Sea ... , including one each for krill (productivity) and fishery performance (services) and two (health and ... described in Hill et al. (2007a, 2007b), as an example of good practice for addressing sev- eral types of ... model outputs, and provides an objective basis for targeting data collection and modelling effort to ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews

5. Scientific observations in CCAMLR fisheries – past, present and future

   observers on board fishing vessels has assumed prominence in the collection of essential data for fisheries ... / Description:  CCAMLR has the primary competency for managing fishing south of the Antarctic Polar Front ... strategy has often had to deal with incomplete and uncertain information on affected resources. Fishery ... designed to gather and validate fishery-related information essential for assessing the status of target ... information essential for assessing the status of target species as well as the impact of fi shing on ... principles outlined in Article II of the CAMLR Convention (CCAMLR, 2004a, Part 1) embody an ‘ecosystem’ and ... scientifi c observers for compliance assessment purposes. These include data collected on the ... observ ers (i.e. an observer designated by one Member serves on a vessel fl ying the fl ag of another ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Autor(es): Sabourenkov, E.N. and E. Appleyard

6. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   occupies. There was one aggregation area of Lepidonotothen squamifrons on an outlying bank during two ... Island and the McDonald Islands, an Australian Territory around which a 200-mile EEZ has been declared ... . In order to assess the potential of this area for commercial fishing, and to obtain some preliminary ... data for its  management, three random stratified surveys were conducted to investigate the ... aggregation area of Lepidonotothen squarnifrans on an outlying bank during two surveys, but this had ... following changes were Each haul was for 30 minutes duration on the made with respect to summer 1992 ... during the two cruises on which it was sampled. Length frequencies for the three cruises (Figure 4 ... the results from these two strata in autumn 1990; * the minimum number of trawls on Discovery ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Autor(es): Williams, R. and W.K. de la Mare

7. CCAMLR-XIV

   Meeting of the Commission for the Conservation of Antarctic Marine Living Resources CCAMLR-XIV/20 Report ... the Commission on the Conservation of Antarctic Marine Living Resources (CCAMLR) pursuant to Article ... Examination of the audited financial statements for 1994 Executive Secretary CCAMLR-XIV/04 Review of the 1995 ... the CCAMLR System of Inspection Secretariat CCAMLR-XIV/06 Protocol on Environmental Protection to the ...

   Meeting

8. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   year, but there was no evidence that the rate of decline differed between years. A consequence of this ... weight data were used to examine the power to detect a change in fledgling weights after an impact. The ... or decrease after an impact. Fledgling weight was found to decline through the fledging period each ... work is identified to investigate this possibility. Modelling also indicated the potential for reducing ... collected on fledgling weights on date x for samples of n fledglings per year (1) in each of r years prior ... than 30 birds each year. This is the case for both one- and two-tailed tests with a power greater ... birds, or (c) 30 birds each year. Change detected for three to five years of monitoring after change ... to an impact, and (2) for c years after the impact, in circumstances where the impact results in a ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Autor(es): Emmerson, L.M., C. Southwell and J. Clarke

9. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   two species in the diet of C. gunnari was reversed. The consumption of other prey items such as mysids ... and Thysanoessa sp., which are known to be important alternative food in years of krill scarcity, as ... length of C. gunnari did not reveal any selectivity pattern for any of the prey items. The availability ... years of krill scarcity), intermediate in 1995 (below years of historically high abundance), and high in ... together with relevant observations on the reproductive condition of C. gunnari from South Georgia ... frozen at -30°C and later examined at the Instituto Antiirtico Argentino. For the aim of this study ... definite spatial pattern, except for an apparent higher concentration of krill in the southeastern part ... preyed intensively on C. gunnari (TL = 12-20 cm) and, secondarily, on krill. C. gunnari of the same ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Autor(es): Barrera-Oro, E., R. Casaux and E. Marschoff

10. Marine debris collected at Cape Shirreff, Livingston Island, during the Antarctic season 1993/94

    store the greatest part of marine debris got together during several years from different areas of the ... Abstract:  As a complementary activity related to demographic studies on the population of ... Arctocephalus gazella, and with the purpose of having a baseline zero for further studies using the guidelines ... Southern Ocean on which several fishing, logistic and tourist activities are developed. Approximately a 70 ...

    Meeting Document : CCAMLR-XIII/BG/17 : Autor(es): Delegation of Chile

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