Résultats de la recherche

1. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   , foraging ranges and population sizes from the literature are used to show that for some years catches ... South Orkneys Abstract / Description:  A set of concentric zones of 20 km width was defined around ... . Krill catches in these zones are shown to have a consistent pattern in Subarea 48.1 but an unpredictable ... in all years 1988 to 1991. In 1987, 1988 and 1991, 75% of the catch in Subarea 48.2 between December ... for Subareas 48.1 and 48.2. 100 90 80 .c. 70 J:! tfJ 0 () 50 -0 40 a-e 30 20 10 ... was similar for each of the years examined whereas that for Subarea 48.2 changed each year (Figures 3 ... , accounting for 45% of the total krill consumed each year. Crabeater seals (Lobodon carcinophagus), which are ... 290 data given for each CCAMLR fine-scale square (1 0 longitude by 30' latitude) for each quarter ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Auteur(s): Agnew, D.J.

2. Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records

   Chaenodraco wilsoni icefish (n=67) identified by an observer were actually Chionodraco rastrospinosus based on ... provided by observers were good for the common species Champsocephalus gunnari and Lepidonotothen larseni ... by observers (5 families; 8 species) was considerably lower than with DNA barcoding (7 families; 20 ... and comparison with observer records Microsoft Word File:  emm-18-30.docx Approval:  Approved ...

   Meeting Document : WG-EMM-18/30 : Auteur(s): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle

3. e-sc-xxxii-a04.pdf

   ... proponents provide a rationale for an appropriate number of expected tag returns, drawing on the advice ... information on by-catch in Subarea 48.6 be collated to enable an appropriate threshold for the by-catch ... advanced than in other data-poor areas – for example the research catch limit has been set based on an ... be presented to WG-FSA, noting that this could also provide an efficient framework for summarising application/pdf attached to:WG-SAM-13

   Meeting Report : WG-SAM-13

4. Apparent decrease of Weddell seal numbers in the western Ross Sea

   from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ... imagery during 2008-2012 indicated many fewer Weddell seals (Leptonychotes weddellii) at the two major ... . We analyzed both historic and satellite-derived ice data but found only an expansion of pack ice in ...

   Meeting Document : WG-EMM-14/44 : Auteur(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

5. The migration patterns of Electrona carlsbergi (Tåning, 1932)

   within-species structure of E. carlsbergi and an ecological assessment of the impact of fishing on the ... component for E. carlsbergi, is undergoing rapid development. In various areas of the SPFZ and in all ... specimens in the Subantarctic zone, classified as a breeding area, decreases to 20-40%, while the number of ... of eddy formations which occur periodically in the ACC system. These eddies play an important role in ...

   Meeting Document : WG-FSA-93/18 : Auteur(s): A.N. Kozlov (Russia)

6. Patagonian toothfish tagging study plan in the southwest Atlantic (FAO Area 41)

   Patagonian toothfish over two fishing years. Since this work is highly exploratory and will represent one of ... the first dedicated research effort on this species, we have developed an adaptive experimental design ... Abstract:  We propose to conduct an exploratory satellite tagging campaign of Patagonian toothfish ... responsibility for releasing documents:  Korea, Republic of ...

   Meeting Document : WG-SAM-2019/12 : Auteur(s): C.H. Lam, K.J. Park, J. Lee and S.-G. Choi

7. Fishery Report 2017: Dissostichus eleginoides and D. mawsoni South Sandwich Islands (Subarea 48.4)

   2008 there were no specified limits, from 2009 to 2013 there was an overall by-catch limit for ... introduction of species-specific catch limits for the two target species, whole- fishery catch limits for ... limit for the survey to the south of Subarea 48.4 in 2018, notified under CM 24-01, is 18 tonnes ... assessed using an age-structured CASAL integrated stock assessment model for both sexes combined with ...

   Document : Site Section: Publications

8. WG-EMM-96

   at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on ... -EMM-96/42 An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in ... ., Naganobu, M. WG-EMM-96/53 Draft methods recommended to WG-EMM for approval by the Subgroup on Monitoring ... documents Doc Number Title WG-EMM-96/01 Rev. 1 Provisional agenda and provisional annotated agenda for the ...

   Meeting

9. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... designed to complement and extend an existing time series regularly maintained by the British Antarctic ... indices for top level predators to be compared to prey availability at more appropriate time-scales than ... Survey since 1996 (and on a more ad hoc basis since the early 1980s). We hoped that conducting several ... planned fi ve-year series of observations designed to complement and extend an existing time series ... survey strategy for the new fi ve-year series addresses these temporal shortcomings by including ... two acoustic surveys were conducted at South Georgia in the same season. In October 1997 an ... to this, but on a more ad hoc basis (see Brierley et al., 1999 for a summary of all surveys). In ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Auteur(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

10. e-sc-xxvi-a9.pdf

    ... useful for bioregionalisation, although each dataset needs to be considered in detail. 30. The ... methods described above (SC-CAMLR- XXVI/BG/23). 42. An additional evaluation was undertaken for the ... biological datasets. 51. Two outputs (Workshop Report, Figures 5 and 6) were produced for a trial pelagic ... consistent with the 2006 Hobart Workshop, and that they could be used as a basis for an initial benthic application/pdf attached to:WS-BSO-07

    Meeting Report : WS-BSO-07

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