Résultats de la recherche

1. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

   Marion (n = 2) Islands were typed using two fragments of mitochondrial DNA (mtDNA) and seven nuclear ... on minor allele frequency differences) at three microsatellite loci among the four collections ... for haplotype diversity according to Nei (1987), is the probability that two randomly chosen ... differentia- tion). The overall mtDNA results did not provide any evidence for an association between geo ... fi sh had been at liberty for 0.7 to 3.8 years, demonstrating that under some circumstances D ... observers on board commercial vessels fi shing legally for D. eleginoides around the Kergue- len, Crozet ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Auteur(s): Appleyard, S.A., R. Williams and R.D. Ward

2. Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) and the Elephant Island area (Subarea 48.1) in 2004

   -year- old (R1) and two-year-old krill (R2) were calculated for both areas, showing low values for R1 ... discussed for the Lazarev Sea. Information are given on the development of maturity stages and “re ... and high, but different values for R2. Spatial distribution of krill density and size/age classes is ... larvae are provided for the Lazarev Sea. Author(s):  V. Siegel (Germany), V. Loeb (USA), B. Bergström ...

   Meeting Document : WG-EMM-04/23 : Auteur(s): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)

3. e-sc-xxxiv-a4.pdf

   ... an instruction manual for the collection of fishing-vessel- based acoustic data, based on discussion ... hosting the meeting. Dr Zhao also thanked Dr R. Kloser for his participation in the meeting as an invited ... , notification, catch data and the raw acoustic data. An efficient process for metadata collection and entry ... are added to the data for each frequency. Evaluation and removal of noise is also an essential part application/pdf attached to:SG-ASAM-15

   Meeting Report : SG-ASAM-15

4. Long-term changes in the size composition of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, after the 1978–1980 fishery in the area

   Abstract:  Fish samples collected through an overall period of 24 years at Potter Cove after the ... 1986/7 and the duration of the inshore phase of the species, which is known to last for 6-7 years. In ... reported for the period 1983- 1991/2 is consistent with the increase in mean size observed between 1983 and ... years. After 1991/92 the densities, mean sizes and abundances do not depend on a single forcing event ...

   Meeting Document : WG-FSA-07/52 : Auteur(s): E.R. Marschoff, E.R. Barrera-Oro and N.S. Alescio (Argentina)

5. Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)

   assessment of the Northern Area after four experimental years. An extension of the experiment for a further ... Area of Subarea 48.4 for a further two years. 53. The Working Group agreed that the experiment in the ... estimate an annual yield of 28 tonnes of D. eleginoides for the subarea (SC-CAMLR-XII, Annex 5, paragraph ... B0 in the respective sample of any one year, for each year in the 35-year projection period. 33 ...

   Document : Site Section: Publications

6. Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees

   of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... waters. We demonstrate that it is possible to obtain reasonable models for both the presence (area under ... , with surface abundances 20% higher at night than during the day. There was no evidence of diel ... Scotia Sea, two areas off east Antarctica, in the frontal zone north of the Amundsen Sea, and a small ...

   Meeting Document : WG-EMM-10/P14 : Auteur(s): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve

7. Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity

   debris found in association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April ... ; (non-fishing) marine debris over this period. Sixty 'rope nooses' apparently used for ... . There are probably two reasons for the comparatively low number of SBT longline hooks found on Marion ... an anonymous reviewer for comments on earlier drafts of this paper. REFERENCES Ashford, J.R ... Prince, 1996). Both unregulated and sanctioned longline fishing for Patagonian toothfish within the 20 ... and B. Watkins, pers. comms). Large body size is also an advantage in the intense competition for ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Auteur(s): Nel, D.C. and J.L. Nel

8. SC-CAMLR-VI

   Provisional Agenda for the Sixth Meeting of the Scientific Committee for the Conservation of Antarctic Marine ... Assessment – Hobart, Australia, 19–23 October, 1987 SC-CAMLR-VI/04 Report of the working group for the CCAMLR ... Vacant SC-CAMLR-VI/BG/07 IOC Regional Committee for the Southern Ocean Paris, 9-12 June 1987 D. Sahrhage ... performance of seabirds and seals at South Georgia, 1976–1986 and its implications for southern ocean ...

   Meeting

9. Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia

   necessity for an errorless estimation of age. Age determination can provide basic life history information ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ... a fish's past history. As part of an effort to study Antarctic fish growth and population ... fishing and that only the younger age groups are available for harvest. It appears that length at age data ...

   Meeting Document : SC-CAMLR-VI/BG/43 : Auteur(s): R. Radtke (USA)

10. CCAMLR 2000 revisited

    %), depending on whether two- or three-frequencies are used for krill identification, respectively. At 38 kHz ... Abstract:  The total abundance of krill in the Scotia Sea was estimated from an international ... Antarctic Treaty's Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to ... revise the precautionary catch level for krill in the area from 1.5 to 4 Mt (SC-CAMLR, 2000). By ...

    Meeting Document : WG-EMM-07/30 Rev. 1 : Auteur(s): D.A. Demer, A.M. Cossio and C.S. Reiss (USA)

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