Résultats de la recherche

1. Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18

   and acoustic techniques. The proposed research is pertinent to issues raised by the Scientific ... . This initial year will be used for exploration with particular emphasis on tagging efforts and habitat ... collaborating members. In 2018 a new Norwegian fishing vessel will be available, equipped with advanced ... South Africa.  In future years the aim is to expand the investigation and involve additional ...

   Meeting Document : WG-FSA-17/61 Rev. 1 : Auteur(s): Delegation of Norway

2. THE POWER OF ECOSYSTEM MONITORING

   % power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ...

   Meeting Document : WG-EMM-08/P11 : Auteur(s): K. Reid, J.P. Croxall and E.J. Murphy

3. e-sc-xix-a4-appG.pdf

   ... WORKSHOP (La Jolla, USA, 30 May to 9 June 2000) REPORT OF THE B0 WORKSHOP (La Jolla, USA, 30 May to 9 ... the Southwest Fisheries Science Center, La Jolla, California, from 30 May to 9 June 2000. The workshop ... producing the last strong year class. Japanese Survey 2.22 A survey along the northern side of the South ... applied to data from the Yuzhmorgeologiya and the Atlantida, and 20 m for data from the James Clark Ross application/pdf attached to:B0-WS-00

   Meeting Report : B0-WS-00

4. e-sc-xxi-a4-appD.pdf

   ... at relatively high densities from one year to the next over a number of years; (ii) predator ... obtains relatively reliable catches from one year to the next over a number of years. 1.14 The workshop ... identified by their relative within-year importance averaged over a number of years rather than being ... years x 2 quarters per year. The results are shown in Figure 4. 2.9 The workshop agreed that there application/pdf attached to:WSSMUPU-02

   Meeting Report : WSSMUPU-02

5. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   conservatively estimated subarea biomass in up to 20% of years due to high variability in krill biomass indices ... 1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... subarea has also had its own catch limit, between 0.093 and 0.279 million tonnes year –1, since 2009 ... recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... catch limits exceed 9.3% of conservatively estimated subarea biomass in up to 20% of years due to high ... biomass (i.e. the total weight of reproductively mature individuals) after 20 years of fishing should ... for 20 years would reduce the krill stock by 2% (SC-CAMLR, 2011). Clearly, any significantly greater ... such as these. Multi- decadal series (30 to 40 years of data) (Henson et al., 2010) or parallel series ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Auteur(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

6. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   selectivity functions. 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Immature selectivity Age (y ... ) Se le ct iv ity 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Truncated mature selectivity ... Age (y) 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Mature selectivity Age (y) 2000 2010 ... 2020 2030 2040 2050 2060 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Year St oc k st at us 2000 2010 2020 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

7. e-sc-ii.pdf

   ... 1 REPORT OF THE SECOND MEETING OF THE SCIENTIFIC COMMITTEE 1. The Scientific Committee met under ... the Chairmanship of Dr D. Sahrhage (Federal Republic of Germany) from 30 August to 8 September 1983 ... discussion of inter-sessional activities at the time of the 1982 meeting was informal. During the year he ... Report of the Scientific Committee was raised. It was agreed that this was an informal document which application/pdf attached to:SC-CAMLR-II

   Meeting Report : SC-CAMLR-II

8. Scientific Abstracts 2001

   from recent years, with 20 entanglements reported over winter and 22 during the summer breeding ... * 1 000 m-3, which is among the highest values for the past 20 years. The high krill abundance and ... explain the 5-year lag as 5 years is the average age of recruitment to the summer breeding population ... year of standardised beach surveys of man-made debris at Bird Island, South Georgia, a total of 408 ...

   Document : Site Section: Publications

9. Scientific Abstracts 2000

   (English). Finfishing in the Southern Ocean began more than 30 years ago at South Georgia and the ... temperature, while in other years (1980, 1981) it was negative. The second year type (1979, 1984, 1987) was ... wearing neck collars of man-made debris. One ad- ditional sighting was of an animal that had been ... juvenile males, the main component of the population in this area at this time of year. The number of ...

   Document : Site Section: Publications

10. e-imaf-99 report.pdf

    ... . Three alternative splits (80:20, 70:30 and 60:40) were used. 7.62 The seabird by-catch rates used ... quality of the logbooks submitted this year has been much improved on previous years. All of the ... . Comparisons between years for the same vessel, using the same gear design and at the same time of year, show ... Assessments of Risk in CCAMLR Subareas and Divisions 7.75 In previous years concerns were raised relating to application/pdf attached to:WG-IMAF-99 ad hoc

    Meeting Report : WG-IMAF-99 ad hoc

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