Resultados de la búsqueda
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Preliminary results of RV Dmitriy Stefanov researches in the Antarctic area of the Atlantic Ocean in April 1992
polygon of 30 x 30 miles in the fishing area northwestward of Coronation Island in 18-22 April,1992. The ... were obtained. The balance of krill transport from and into the polygon was calculated. The first two ... dublicates revealed the krill accumulation in the contour, and the second two showed the loss. The ... collect data on size and age composition of icefish, champsocephalus gunnari, green notothenia and ...
Meeting Document : WG-CEMP-92/33 : Autor(es): L.G. Maklygin, V.N. Shnar, A.V. Remeslo, A.P. Malyshko, I.A. Trunov, I.A. Barabanov, V.P. Shopov (Russian Federation) and A.G. Shepelev (Ukraine)
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Report of the first SCAR-CCAMLR Joint Action Group meeting
topics/issues that are of common interest to SCAR and CCAMLR that could form an agenda for more effective ... SCAR and CCAMLR might implement to work together in a more strategic manner and identifying a series of ...
Meeting Document : WG-EMM-13/16 : Autor(es): CCAMLR Secretariat and SCAR Executive Office
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Biodiversity of the benthos off Kerguelen Islands: overview and perspectives
have been neglected and understudied during the last 30 years. The Kerguelen Plateau, situated at the ... Abstract: The Kerguelen Plateau possesses a very diverse benthic fauna. Over the years, the ... climate forcing on coastal benthic assemblages; (2) assess the benthic community changes in relation to ...
Meeting Document : WS-MPA-11/P03 : Autor(es): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï
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Seabird mortality in the Patagonian toothfish longline fishery around the Prince Edward Islands, 1996–2000
Abstract: Sanctioned longline fishing for Patagonian toothfish around the Prince Edward Islands ... , Unregulated and Unreported (IUU) fishing. Independent fishery observers accompanied all but two sanctioned ... on seabirds. Overall, white-chinned petrels Procellaria aequinoctalis were by far the most frequently ... measures and a progressive movement farther away from the islands over the years. We estimate that the ...
Meeting Document : WG-FSA-01/8 : Autor(es): D.C. Nel, P.G. Ryan and B.P. Watkins (South Africa)
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A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation
(Euphausia superba) between 1997 and present. Over the last five years proportional recruitment as been ... compared. Biomass estimates from the two algorithms are highly correlated (>0.95), with identical CV’s ... . Use of acoustic windows based on the range of krill size increases variability in biomass estimates ... and CV’s. These data suggest that future development focus on better propagating error through levels ...
Meeting Document : WG-EMM-06/32 : Autor(es): C.S. Reiss and A.M. Cossio (USA)
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
would occur in the absence of fishing within the two years following an abundance biomass estimate ... . Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1996/971997/981998 ... , or present in very low abundances, on Shell Bank over recent years. Due to their low abundance ... vector was used for C. gunnari, starting at 2.5 years and fully selected at age 3. Recruitment 14 ...
Document : Site Section: Publications
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Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions
, but δ 13 C for toothfish were similar in the two areas. The reason for this difference is as yet ... N and fish length, region, and year: (1) on average, larger toothfish fed on prey of higher trophic ... there for less than a year. Author(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A ... were sampled by scientific observers on New Zealand vessels between 2005/06 and 2013/14. More than 100 ...
Meeting Document : WG-EMM-14/50 : Autor(es): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)
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Diseases outbreak threatens Southern Ocean albatrosses
for the Southern Ocean environment is today considered to be fishing activities, and especially ... controversial long-lining that is assumed to be the cause for the major decline of albatrosses and petrels ... observed recently. Here we show that two highly pathogenic diseases (worldwide spreading avian cholera ... , Erysipelas bacteria) are the major cause of the decline on Amsterdam Island of the large yellow-nosed ...
Meeting Document : WG-EMM-03/32 : Autor(es): H. Weimerskirch (France)
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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 ... 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 ... electrophoresised in 2.5% agarose gels. Microsatellite PCR products were analysed on an ABI Prism 377 DNA ... for haplotype diversity according to Nei (1987), is the probability that two randomly chosen ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Autor(es): Appleyard, S.A., R. Williams and R.D. Ward
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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 ... decline after the good krill years in 2001 and 2002. Krill density was lower in the Lazarev Sea, even ... and high, but different values for R2. Spatial distribution of krill density and size/age classes is ...
Meeting Document : WG-EMM-04/23 : Autor(es): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)