Résultats de la recherche
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DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN
along with the estimated time series of historical catches are used to provide estimates of B0 for this ... comparison with historical catch rates and otolith collection to estimate age structure and recruitment ... years and then two years later. The surveys should have only low catches in order to not impede recovery ... trajectories indicate it is likely that it will be at least 5 years before it is sufficiently low risk to ...
Meeting Document : WG-FSA-09/44 : Auteur(s): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
consistent with previous research. Regression equations for converting standard length to total length and ... mature at about 340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at ... about 370–400 mm TL and 6–8 years of age. Counts of growth zones in sectioned otoliths were used to ... approached a significantly larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years ... the summer months. They observed spent females in early January and no females with maturing gonads ... ) = 1.0220 x 10–6). The data are plotted in Figure 3, with the fitted curves from the full model overlayed ... compared with model 1 range between <1% to 3%; differ- ences in BIC range between <1% to about 1%). The ... . dewitti are sexually mature at about 370–400 mm TL and 6–8 years of age. This finding is consistent with ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Auteur(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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WG-EMM-96
five-year monitoring program Watkins, J.L., Murray, A.W.A., Brierley, A.S. WG-EMM-96/19 A synoptic ... at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on ... , RKTS General Petrov, March to July 1995 (with additional notes by the Secretariat) Submitted by Ukraine ... /41 Measurements of fish school velocities with an acoustic Doppler current profiler Demer, D.A. WG ...
Meeting
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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)
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
intermediate cold layer. In some years of this type (1 97 1, 1972, 1978, 1982) the layer had positive ... temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ... up layer of summer modification and a cold intermediate layer was characteristic of first year type ...
Meeting Document : WG-EMM-00/34 : Auteur(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
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SC-CAMLR-XVII
of New Zealand SC-CAMLR-XVII/BG/10 Oil, paint, marine debris and fishing gear associated with ... Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia ... /12 Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island ... population figures Delegation of New Zealand SC-CAMLR-XVII/BG/14 Addendum Correspondence with the Secretariat ...
Meeting
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
operations concentrated on the outer shelf in the early 1980s, along the shelf slope in the mid to late 1980s ... , and from the shelf across to the outer shelf in the early to late 1990s. Intra-annually, trawling ... positions generally started from the outer shelf and proceeded towards the shelf later in the season ... each fishing season were initially large with a gradual decrease in the early 1980s. Mean STP for ... - ceeding towards the shelf, with some exceptions (1981/82,1986/87,1992/93) (Figure 3). The mean STPs for ... May) they again moved towards the outer shelf (Figure 3). Correlation of STP with Biological ... (Table 3). In other words, for fishing seasons with high krill density, trawling positions of krill ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa
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e-sc-ix.pdf
... that taken last year. 2.6 The total krill catch in 1989/90 by area and country is shown in Table 2.2 ... Scientific Committee for many years, died on 24 June 1990. 1.5 Observers were welcomed and encouraged to ... . Member Split-Year* 1983 1984 1985 1986 1987 1988 1989 1990 Chile 3 752 1 649 2 598 3 264 4 063 5 938 ... between the surveys in earlier years and those in 1990. 3.39 The USSR Delegation did not agree with
application/pdf attached to:SC-CAMLR-IXMeeting Report : SC-CAMLR-IX
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The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island
Abstract: The relationship between Adélie penguins and ice is undeniable, with ice influencing ... influences, such as primary productivity or foraging trip duration. To further explain the relationship ... population growth in response to a reduction in the frequency of heavy sea-ice years. However, it is ...
Meeting Document : WG-EMM-07/21 : Auteur(s): L. Emmerson and C. Southwell (Australia)
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The Antarctic toothfish Dissostichus mawsoni (Nototeniidae) nutrition in the Ross Sea during the fishing season 2011/12
Abstract: During fishing trip of F/V «Jung Woo 3» (Republic of Korea) in the Ross Sea over 29 ... various SSRUs correlate positively with the average catches per day. Preys toothfish had length from 8 to ...
Meeting Document : WG-FSA-12/06 : Auteur(s): Yu.V. Korzun and N.A. Misar (Ukraine)