Résultats de la recherche

1. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1

   mean age of males and females in the catch in the north with a slight increase in the early years ... contrast, 2014 was considered a ‘good’ ice year with 71% of the fishing grounds clear of ice, as was 2011 ... eastwards with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of ... 2004. Since 2005, effort has become more stable. In earlier years, most vessels fished with the ...

   Document : Site Section: Publications

2. Conservation Measure Conservation Measure 10-05 (2009)

   of the year for which the form is issued; (ii) a four-digit sequence number (beginning with 0001 ... IUU fishing is inconsistent with the objective of the Convention and undermines the effectiveness of ... Catch Documentation Scheme for Dissostichus spp. (CDS) will provide the Commission with essential ... take steps, consistent with international law, to identify the origins of Dissostichus spp. entering ...

   Conservation Measure : 10-05 (2009)

3. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ... three years from 2006 to 2008, with catches peaking in 2008, and a total catch of 927 tonnes (Table 3 ... for all years up to, and includ- ing, the 2007/08 fishing year. The observer data used in this report ... 88.2 for all years up to, and including, the 2007/08 fishing year. Data error checking and grooming ... 0 1 0 * * * 1 Total 41 296 752 594 1 353 1 764 2 171 3 190 2 967 3 074 2 250 18 453 * SSRUs with ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Auteur(s): Hanchet, S.M., S. Mormede and A. Dunn

4. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   research vessel Tangaroa during the BioRoss survey of the Western Ross Sea and Balleny Islands, with the ... structure displayed in the early growth rings. The findings supported the interpretation protocols used in ... dataset with unsexed juveniles are L? 76.12, K 0.065 and t0-0.159 for males and L? 92.03, K 0.055 and t0 ... results finding no significant differences between the years. Von Bertalanffy parameters for the pooled ...

   Meeting Document : WG-FSA-05/20 : Auteur(s): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)

5. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   relative abundance of this species and G. gibberifrons are well below those found in the early 1980s. These ... with historical information on offshore commercial fishing and with the results of scientific surveys ... inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... of catch date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year mean ... with the observed split-year mean values. Annual marks correspond to 1 January each year ... below those found in the early 1980s. During the 16 years of observations the values observed were ... years, in parallel with the decrease of N. rossii and G. gibberifrons populations (Barrera-Oro and ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

6. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   other years appears to be associated with female maturity development and spawning during the early ... austral summers of 1991/92 and 1992/93 are described and compared with information from previous years ... . The length frequency distributions and maturity stage composition reflected relatively good year class ... success from the 1990/91 spawning season but poor success from 1991/92. Year class success from these and ... success. Years of good year class success, such as 1987/88 and 1990/91 (Table 2), were associated with ... with female maturity development and spawning during the early summer months. The overall abundance ... year class success, 1988/89 and 1990/91, were associated with the least developed female stages (3a ... maturity development during early summer is an important factor influencing year class success, due to ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel

7. Groupe de travail sur la mortalité accidentelle liée à la pêche (IMAF)

   Arising from Longline Fishing (later to become Incidental Mortality Associated with Fishing (IMAF)). WG ... be exacerbated by interactions with CCAMLR fisheries, the Commission undertook initial discussion in ... , the decision was made to meet in alternate years. From 2011 to 2021 it did not need to meet. Following ...

   Page : Site Section: Science

8. RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS

   (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ... Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... sooty albatrosses P. fusca on Marion Island have decreased by almost 2% per year since 1996, continuing ... a negative trend from the early 1980s, whereas lightmantled sooty albatrosses P. palpebrata have ...

   Meeting Document : WG-EMM-10/P4 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford

9. e-sc-xxiii-a4.pdf

   ... of krill. 2.27 The Working Group agreed that this may be feasible next year with the further ... . superba varied from year to year, with the latter particularly abundant in 2001 at both colonies. These ... average year for the chinstrap and gentoo penguins at this site. For the first time in seven years of ... 1995. 1.4 Dr Hewitt outlined the program for the meeting. This was the fourth meeting with a mixed application/pdf attached to:WG-EMM-04

   Meeting Report : WG-EMM-04

10. 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

Pages