Résultats de la recherche
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PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3
Abstract: 1. Paired trials were undertaken to compare toothfish catch rates and by-catch ... potential of this gear to reduce cetacean depredation. 3. By-catch to catch ratio was greater by number for ... . Consequences of a move to trotlines would therefore lead to: i. Some positive benefits by reducing cetacean ...
Meeting Document : WG-FSA-08/44 : Auteur(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)
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Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991
Abstract: An observation program was carried out by a biologist-observer on board the krill ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ... and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ... 48.3: 35 to 38, 39 to 42 and 45 to 46 mm. By-catch of juvenile Champsocephalus gunnari was observed in ...
Meeting Document : WG-KRILL-92/06 : Auteur(s): V.I. Latogursky (Russia)
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
Abstract: The stomach contents of 273 Dissostichus mawsoni captured by bottom longline in the ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... and by IRI 23%, 13%, and 8% respectively. The large onychoteuthid squid, Kondakovia longimana ...
Meeting Document : WG-FSA-10/22 : Auteur(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)
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Population trends and reproductive success at a frequently visited penguin colony on the western Antarctic Peninsula
with larger trends in this region, the Adélie penguin population decreased by 29% and the gentoo ... penguin population increased by 27% between the 2003/2004 and 2007/2008 seasons. Reproductive success ... Petermann Island. Whereas gentoo penguin reproductive success was lowest in colonies frequently visited by ... tourists, Adélie penguin colonies frequently visited by tourists had higher reproductive success than those ...
Meeting Document : WG-EMM-16/P07 : Auteur(s): H.J. Lynch, W.F. Fagan and R. Naveen
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Incidences of gillnet fishing in the Convention Area reported through the Scheme of International Scientific Observation
activity have been reported from seven cruises by South African Observers deployed in the BANZARE Bank and ... on some of the fishing grounds in this area. These reports are supported by both photographic ... evidence of vessels hauling gillnets and sections of gillnet retrieved by licensed longliners. Author(s ...
Meeting Document : CCAMLR-XXVI/BG/30 : Auteur(s): Delegation of South Africa
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Implementation of the CCAMLR Scheme of International Scientific Observation during 2017/18
Abstract: This paper provides a summary of data collected by Scientific Observers operating in ... the Convention Area on board fishing vessels during the 2018 season (based on data received by the ... performance in species identification by observers, and fewer processing errors from the new longline logbook ...
Meeting Document : WG-FSA-18/11 Rev. 1 : Auteur(s): CCAMLR Secretariat
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Review of the 2007 budget, draft 2008 budget and forecast budget for 2009
. The presentation is in the format determined by the Commission at its 2002 Meeting. The expenditure ... salary increases in 2007 amounted to 6.5%, but part of this is offset by an increase in the Staff ... the extent previously identified by the Commission in 2003 (CCAMLR-XXII, paragraph 3.36). From 2005 to ... Secretariat to new premises, the rent will continue to be paid by the Australian and Tasmanian Governments ...
Meeting Document : CCAMLR-XXVI/04 : Auteur(s): Executive Secretary
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Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea
Abstract: The Adélie penguin (Pygoscelis adeliae) is an indicator species used by the CCAMLR ... -1.8% for the years, 1981-2000 followed by a positive per capita growth rate of 5.5% for the years ... conditions caused by the grounding of the giant iceberg events (2000-2005) off the southern Ross Sea colonies ... is unlikely the penguins along the northern Victoria Land coast were affected by the giant icebergs ...
Meeting Document : WG-EMM-13/30 : Auteur(s): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)
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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
were sampled by scientific observers on New Zealand vessels between 2005/06 and 2013/14. More than 100 ... samples each of four by-catch species (grenadiers, icefish, moray cods and deep-sea cod) were also ... considerable variability in δ 15 N and δ 13 C of toothfish that were not explained by fish length, sex ... substantially higher than in the Ross Sea region (medians differed by 1.4‰). This result implies that most of ...
Meeting Document : WG-EMM-14/50 : Auteur(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)
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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
spatially comprehensive species distribution layers from discontinuous biological data, by fitting complex ... be done on a tow by tow basis as there is significant within-tow correlation. (2) Spatial cross ... space of the predicted area was spanned by the environmental characteristics associated with the ... multivariate space defined by all environmental data layers together. The multivariate statistic was used to ...
Meeting Document : WG-SAM-08/12 : Auteur(s): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)