Résultats de la recherche
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CCAMLR 2000 revisited
Antarctic Treaty's Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to ... %), depending on whether two- or three-frequencies are used for krill identification, respectively. At 38 kHz ... % lower than the original estimate, but with a larger CV. Author(s): D.A. Demer, A.M. Cossio and C.S ...
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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Seabird mortality on longlines in Australian waters: a case study of progress and policy
seabird mortality is poorly known for most of the world's longline fisheries. Information on bird ... seabirds each year, and is now acknowledged as representing the most pervasive threat to seabirds ... bycatch in the Southern Oceans is best known for the Australian and New Zealand regions. The 10 year ... rates equate to between 1000 to 3500 birds being killed year. Although the initial fall in bycatch rate ...
Meeting Document : WG-FSA-98/29 : Auteur(s): R. Gales, N. Brothers, T. Reid, D. Pemberton and G.B. Baker (Australia)
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
the next two years, 2016 and 2017, is presented. The survey will continue to focus primarily on ... , Italian and New Zealand scientists in these two areas. It is proposed to survey McMurdo Sound in 2016 and ... methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... that a full review be completed and presented to WG-EMM, WG-SAM and WG-FSA in 2017. Author(s): S.M ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
. This was coded specifically for the case of surveys observing fish of ages one year younger than the ... fish at the nominated ‘recruitment age’ (age 4 for toothfish) in each year. The first year in the time ... the first year remains unaltered and correct. A new version, GYM501E.EXE, and installation software ... recruitment age and greater. This calculation needed to be made general to allow for many years younger than ...
Meeting Document : WG-FSA-04/91 : Auteur(s): A.J. Constable (Australia)
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The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)
Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... attempts suggested a maximum age of about 8 – 10 years. Author(s): K.-H. Kock, L.V. Pshenichnov, C.D ... . wilsoni has been exploited on a commercial scale from the late 1970’s to the end of the 1980’s off ... myctophids to some extent in other areas. Age determination still awaits validation. Preliminary ageing ...
Meeting Document : WG-FSA-07/P1 : Auteur(s): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))
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Evidence of Vulnerable Marine Ecosystems documented via submarine in the Antarctic Sound and Gerlache Strait (Subarea 48.1)
abundances of VME indicator taxa. One is proposed based on the observance of a high density and diversity of ... of indicator taxa and, which are considered particularly vulnerable to climate change. One is ... recognized by WG-EMM in previous years. Herein, evidence appropriate to the diverse characteristics of the ... et al., 2009)- now almost a decade old- are provided. Author(s): S. Lockhart and J. Hocevar Title ...
Meeting Document : WG-EMM-18/35 : Auteur(s): S. Lockhart and J. Hocevar
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
February 2015, and varied between 30 and 53 mm in total body length. Up to six growth zones were identified ... , each zone consisting of one light and one dark section. The width of the longitudinal sections ... Abstract: No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... and a verification of the ageing procedure from krill with a known age is needed before the number of ...
Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island
than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... last 40 years has increasingly focused on their conservation status. Demographic trends of the ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ... Ocean including Marion Island, Iles Crozet and Amsterdam Island. The age distribution of the current ...
Meeting Document : WG-FSA-04/50 : Auteur(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)
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Admiralty Bay (South Shetland Islands) - long-term marine monitoring program
the site of comprehensive environmental studies over the last 30 years and existing data sets provide ... ". This project will continue to develop over the coming years and results we will be presented and ... samples were collected, and are currently subjected to laboratory analysis. Author(s): A. Panasiuk ...
Meeting Document : WG-EMM-15/47 : Auteur(s): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004
gentoo breeding population increased slightly from last year, it is at its second lowest size in the past ... was greater than in 2002-03, and was either similar to or greater than the seven-year mean, depending ... on methodology used. Fledging weights of both species increased from last year, but were below the ... eight-year mean for this parameter. Total chick meal mass was larger in both species compared to the ...
Meeting Document : WG-EMM-04/5 : Auteur(s): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)