Résultats de la recherche

1. Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions

   series from survey data for each value of natural mortality used in the assessments, whenever it is ... altered over the range of uncertainty in M factored into the assessment process. Data from outputs from ... , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s):  A.J. Constable (Australia) Title ...

   Meeting Document : WG-FSA-01/74 : Auteur(s): A.J. Constable (Australia)

2. Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons

   Abstract:  A brief description of hawl-by-hawl data sets from Ukrainian commercial vessels fishing ... summer months off the eastern South Georgia and at Shag Rocks. The length frequency modes amounted to 95 ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...

   Meeting Document : WG-FSA-00/33 : Auteur(s): P. Gasiukov (Russia) and V. Bibik (Ukraine)

3. Proposals for the governance and control of fishing vessels and fishing support vessels operating in the Southern Ocean

   Abstract:  There are a number of steps that CCAMLR and its members can take to improve the ... governance and control of fishing vessels in the Southern Ocean and thereby enhance safety, ecosystem-based ... -strengthening and obtaining IMO numbers for all vessels, reports on all vessel incidents, and notification of ... at the earliest opportunity. CCAMLR Members should also support efforts to bring the new Cape Town ...

   Meeting Document : CCAMLR-XXXII/BG/18 : Auteur(s): Submitted by ASOC

4. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica

   , between Rio Gallegos (51°32’S, 69°17’W), Argentina, and Base Esperanza (63°24’S, 56°59’W), at the tip of ... Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...

   Meeting Document : WG-EMM-03/46 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

5. Brief results of research fishing in Subarea 88.3 in the 2010/11 season

   “Sparta”, with two scientific observers aboard. They deployed 20 sets (trotline) at different depths ... . Total amount of set hooks is 87096. Research catching was carried out in SSRU B, C, and D. In SSRU A ... sets had not took place because of complicated ice conditions. The catch was totally analyzed for its ... fish food analysis). According to the catch’s length variation, 30 fishes of different length have been ...

   Meeting Document : WG-SAM-11/09 : Auteur(s): Delegation of the Russian Federation

6. AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)

   to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ... commercial fishery in the Southern Ocean, yet many of their life history characteristics, including vital ... estimated ages, the radioactive disequilibrium of lead-210 and radium-226 in otolith cores was measured and ... estimation criteria and an annual periodicity of otolith growth zones. Von Bertalanffy growth function ...

   Meeting Document : WG-FSA-08/17 : Auteur(s): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)

7. Survey of Antarctic fur seals Arctocephalus gazella in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

   were identified, some of which had not previously been reported. The largest pupping sites are at Telmo ... Abstract:  A survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... recolonization of rookery sites following 19th Century commercial exploitation. Twelve fur seal pupping sites ... Island and Cape Shirreff, on the north coast of Livingston Island. Total fur seal pup production in the ...

   Meeting Document : SC-CAMLR-VI/BG/18 : Auteur(s): J.L. Bengtson, L.M. Ferm (USA), T.J. Härkönen (Sweden), E.G. Schaner and B.S. Stewart (USA)

8. Predator trophic hotspots in the Indian sector of the subantarctic Southern Ocean: how do they overlap with marine protected areas?

   which are listed at various level of vulnerability by the IUCN and which are monitored by several bio ... Abstract:  The Indian sector of the subantarctic region hosts large populations of top predators ... pelagic species of albatross, penguins and pinnipeds. Merging our analysis with previous results, we find ... ) through a bottom up effect. When mapped on jurisdictions, this network of hotspots appears to be only ...

   Meeting Document : WS-SM-18/07 : Auteur(s): M. O’Toole, S. Sergi, A. Baudena, C. Cotté, C. Bost, C. Guinet, H. Weimerskirch, M.A. Hindell, P. Koubbi and F. d’Ovidio

9. By-catch of rays in the 2002/03 toothfish fishery around South Georgia

   tried: • It was the first in which vessels were asked to cut off all rays at water level to assist ... survival and conservation of rays; • It was the first in which very good quality information was available ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ... the cooperation of Chile and one fishing company, undertook an experiment to determine the ...

   Meeting Document : WG-FSA-03/58 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)

10. Timescale of ovarian maturation in Notothenia coriiceps (Richardson); evidence for a prolonged adolescent phase

    for about one year. The results from a two year study at Signy Island indicate that this adolescent ... accompanied by a failure to spawn and an alternative where fecundity is controlled by the number of small ... oocytes which ripen. Author(s):  Inigo Everson (United Kingdom) Title:  Timescale of ovarian maturation in ...

    Meeting Document : WG-FSA-93/26 : Auteur(s): Inigo Everson (United Kingdom)

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