Search results

1. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   . Tagging rates by area over the past three years have been in the same proportion as the catch by area ... % of the recaptures could not be matched to a release observation, mainly because of missing release data. Two fish ... tagged and recaptured in the fishery have moved over 200 km, but the majority (>80%) of Antarctic ... toothfish have moved less than 50 km. Sub adult fish (80–100 cm) have tended to move further than adults ...

   Meeting Document : WG-FSA-06/34 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)

2. Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer

   was found to have a different age, sex and size distribution than that found in net samples, implying fine ... was found to have a different age, sex and size distribution than that found in net samples, implying fine ... of chinstrap penguins and over 80% of the diet of fur seals throughout the observation period. Fur seals ... , but at different distances (18-100 km for fur seals, 20-35 km for macaroni penguins, 11-24 km for chinstrap ...

   Meeting Document : WG-CEMP-90/11 : Author(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)

3. Albatross populations: status and threats

   facing albatrosses today. Twenty-one of the 24 species are known to be killed on longline hooks ... today. Twenty-one of the 24 species are known to be killed on longline hooks, including rare ... , the status (i.e.. population trends) of two-thirds of the world's ca. 150 albatross populations remain ... Abstract:  The population and conservation status of the world's albatrosses are reviewed ...

   Meeting Document : WG-FSA-97/28 : Author(s): Gales, R.

4. Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3

   -1999. The overall picture that emerges is one of variable mean lengths, both within and between seasons ... that emerges is one of variable mean lengths, both within and between seasons but with no consistent overall ... years in the depth distribution of effort have led to different length-specific selectivity curves ... applying in different years. Combined length-specific selectivity curves were estimated for each ...

   Meeting Document : WG-FSA-01/48 : Author(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)

5. Spatial overlap of krill-dependent predators and krill fishery catches and a proposal for subdivision of catch limits in Subarea 48.1

   the distribution of fishing effort.  A comparison of CEMP parameters from two years with large differences in total ... two years with large differences in total catch in Subarea 48.1 suggests plausible local impacts ... restricted to the last 5 years, since this time period emphasizes the shift toward autumn and winter fishing ... the winter period, especially in the Bransfield Strait. Across years, predator distributions appeared ...

   Meeting Document : WG-EMM-14/36 : Author(s): J.T. Hinke, M.E. Goebel (USA), M.M. Santos (Argentina), P.N. Trathan (UK), W.Z. Trivelpiece and G.M. Watters (USA)

6. Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season

   the location of the hauls two separate fishing grounds could be clearly distinguished: the first one ... of the hauls two separate fishing grounds could be clearly distinguished: the first one at the north of South ... at the north of South Georgia Island, including Black and Shag rocks, and the second one at the South ... Georgia Island, including Black and Shag rocks, and the second one at the South of the island, hauls being ...

   Meeting Document : WG-FSA-92/24 : Author(s): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)

7. Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2018/19

   characterisation of the fishery showed a truncation of the right-hand limb of the age distribution between 2004 ... and 2014. Few age data are currently available after 2014. We recommend that further ageing of toothfish ... in the ASR be made a priority to develop annual age-length keys and age frequencies. We further recommend ... for research blocks (CAMLR-XXXVI 2017, Annex 7 paragraph 4.33). The estimated catch limits, based on the one ...

   Meeting Document : WG-FSA-2019/12 : Author(s): J. Devine and S. Parker

8. Environmental response of upper trophic level predators reveals a system change in an Antarctic marine ecosystem

   and survival is one of the keys to predicting future change in Antarctic marine ecosystems. Author(s):  K. Reid ... consumption and how, in turn, this influences predator performance and survival is one of the keys ... and an increase in the frequency of years of low reproductive output. Changes in the population structure of krill ... size class was sufficient to support predator demand in the 1980's but not in the 1990's. We ...

   Meeting Document : WG-EMM-01/21 : Author(s): K. Reid and J.P. Croxall (United Kingdom)

9. Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers

   and abundance based on ‘mark-recapture’ methods in the Antarctic Indian sector (i.e., between 80°-135 ... genotypes was supported by mtDNA, sex determination, and in two cases where pictures were available ... to the same location in the Antarctic Indian sector in subsequent years. The average longitudinal dispersal ... ’ and the ‘recapture’ ranged from 3-13 years with an average at 7.3 years. Preliminary application of a ‘mark-recapture ...

   Meeting Document : WG-EMM-18/18 : Author(s): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka

10. Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22

    years. Compared to last year (WG-FSA-18/59), this research plan has been updated with 2019/20 operating ... . 2017, Eléaume et al. 2018). Here, we update the research plan for 2018/19 to 2021/22 (WG-FSA-18/59 ... ), in accordance with ANNEX 24-01/A, Format 2. This plan has been designed as a 4-year plan, based on the low risk ... years in non-stock-assessment years. Compared to last year (WG-FSA-18/59), this research plan has been ...

    Meeting Document : WG-SAM-2019/05 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain

Pages