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1. Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area

   coincided with the extremely poor krill recruitment in 1982/83, 1983/84, 1988/89, 1991192 and 1992/93. We ... before 1982/83 with abrupt ozone depletion. With a gentle-ascending gradient of ozone depletion, however ... , krill stock density seems to be slightly recovering year by year after 1990 indicated a minimum of it ...

   Meeting Document : WS-AREA 48-98/5 : Autor(es): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)

2. Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   edge on 80°E and ended at ice edge on 120°19.0’E. Leg 2 was commenced at 63°00.0’S on 150°00.0’E and ... preparation and the results will be presented to the expert groups of SC-CAMLR. Author(s):  H. Murase, K. Abe ... Secretariat Workflow Status:  Content Approved Document Release Consent:  No Delegation responsibility for ...

   Meeting Document : WG-EMM-2019/42 : Autor(es): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki

3. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   suggested that M =0.56 should be used in stock assessment for C. gunnari in Subarea 48.3. File:  19-Frolkina ... provided a wide range of estimates for M. The discussion of the results suggested that M=O.56 should be ... this value could be used in the future on an equal footing with M=0.35 (CCAMLR-VIII, paragraph 49 ... a in this equation: F, = a + b·E, 315 where a,b = parameters of the equation; E y = fishing ... values M is taken to be the one at which the estimate of the independent parameter a is close to zero ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Autor(es): Frolkina, G.A. and R.S. Dorovskikh

4. Benthos: Trophic modelling of the Ross Sea

   Description / Abstract:  A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... what is living on, or extending from, the sediment surface. Camera resolution can be an impediment to ... community is not common in trophic models, because the benthos tends to be relatively poorly characterised ... underwater imagery, many benthic taxa measured remotely cannot be identified to species level, making ... , and conversion factors between wet- weight and carbon, as wet weights must be converted to organic ...

   Document : Site Section: Publications

5. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   tagged during the groundfish surveys may not yet be large enough to be available to the longline fishery ... that fi sh of 80–90 cm can be expected to survive and be recaptured. Fifty percent of tagged D ... liberty. The fi sh tagged during the groundfi sh surveys may not yet be large enough to be available to ... damage to the lips and eyes. Fish for tagging there- fore have to be cut off the snoods before getting ... also from deep water. In 2002, however, an observer noted that there appeared to be no rela- tionship ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

6. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

   ichthyofauna in this area, although this species used to be dominant in the Antarctic coastal waters. In ... , although this species used to be dominant in the Antarctic coastal waters. In contrast, P. choriodon ... . fraseri. Electrona antarctica was considered to be one of the most abundant mesopelagic fish in the ... since 2005 and may not be a major component of mesopelagic ichthyofauna in South Georgia in win- ter ... ichthyofauna. In contrast, the current biomass of P. choriodon could be higher than that in 2002 or earlier ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Autor(es): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

7. Conservation Measure Conservation Measure 24-01 (2018)

   desde el comienzo del plan; fechas previstas y efectivas de consecución de los objetivos, y documentos presentados ...

   Conservation Measure : 24-01 (2018)

8. e-sc-xxx-a04.pdf

   ... weight ................................................. 132 Recruitment variation, B0 and ... decision rules which identify how fishing strategies and/or monitoring are to be adjusted on the ... consider the views of Members on what constitutes feedback management and how it might be implemented in ... methods and seasons. 2.12 The Working Group acknowledged that the conversion factors to be used for the application/pdf attached to:WG-EMM-11

   Meeting Report : WG-EMM-11

9. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   ) and upwards in a low-density box, so that they tended to be retained in high-density boxes. The model ... of the toothfish stock in Subarea 48.3. Document WG-FSA-04/82. CCAMLR, Hobart, Australia. Agnew ... that they tended to be retained in high-density boxes. The model allows simulation of releases by box ... overestimate of it. Résumé Ce document examine l’influence du mélange de poissons et la distribution ... -estimation de la taille réelle de la population. Bien qu’il ne soit pas recommandé, dans le présent document ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Autor(es): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

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

    Antarctic toothfish in the Ross Sea stock to be 79.9% (95% confidence intervals: 77.7–82.2%) of the virgin ... (unfished) biomass, so that changes from the unfished state may be relatively small as yet. The modelling ... literature tend not to be self consistent so that expert opinion and/or numerical techniques are used to ... catch and modelling data, it is estimated that the study area contains 86% of the biomass of tooth ...

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

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