Résultats de la recherche

1. Conservation Measure Conservation Measure 33-03 (2002)

   au nord de 60°S A 455 50 73 20 au sud de 60°S toutes 455 50 73 B * * * 20 C * * * 20 ... D * * * 20 E * * * 20 F * * * 20 58.4.2 A 100 50 50 20 B 100 50 50 20 C 100 50 50 20 D 100 ... 50 50 20 E 100 50 50 20 58.4.3a totalité 250 50 50 20 58.4.3b totalité 300 50 50 20 88.1 ... au nord de 65°S A 256 50 50 20 au sud de 65°S B 876 50 140 20 C 876 50 140 20 D 876 50 140 20 ... Limitation of By-catch in New and Exploratory Fisheries in the 2002/03 Season Area:  Division ... waters adjacent to the Kerguelen and Crozet Islands Adopted at Meeting:  CCAMLR-XXI Period in Force ...

   Conservation Measure : 33-03 (2002)

2. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   prevent the expected lowest biomass of krill over a 20-year harvesting period from falling below 60% of ... year, depending on how many of the previous three years' CPUE values fall below a target level of ... Paper Title:  Towards an initial operational management procedure for the krill fishery in ... (Euphausia superba) in Subareas 48.1, 48.2 and 48.3 requires a basis for the assessment of resource status ... ) Average annual catch over 20 years: Cav (objective n.). (ii) Catch in twentieth year: C20• 197 ... the management procedure. TAC in year y. Average annual catch over the first 20 years of operation ... of the management procedure 20 ( L Cy/20) y=l TAC in twentieth year of operation of the ... a 20-year projection of the kriU operating model. The means and standard deviations (in parenthesis ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Auteur(s): Butterworth, D.S.

3. Consideration of major issues in ecosystem monitoring and management

   Paper Title:  Consideration of major issues in ecosystem monitoring and management Abstract ... interactions and the manner in which their populations vary naturally. Large-scale interactions are catered for ... in the Krill Yield Model (KYM). Smaller-scale interactions centre around three main categories: the ... availability of krill, variation in vital rates of the dependent species and the overlap between commercial ... 10000 15000 0 10 20 30 40 50 60 70 80 90 100 Year Po pu la tio n si ze Recruitment fails twice ... all the requirements of Article II will be met. This is for two reasons. Firstly, errors in ... year classes. In theory, this can come from an analysis of length-density distributions, although ... by Hewitt (2000), who defi ned a proportional recruitment index that was derived by comparing year ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Auteur(s): Everson, I

4. Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey

   tonnes) within Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying the ... in Subarea 48.3 – Based on the 2019 Groundfish Survey Microsoft Word File:  fsa-2019-30.docx Approval ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ... 2020/21. Author(s):  T. Earl Title:  Preliminary assessment of mackerel icefish Champsocephalus gunnari ...

   Meeting Document : WG-FSA-2019/30 : Auteur(s): T. Earl

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 ... Paper Title:  Is current management of the Antarctic krill fishery in the Atlantic sector of the ... krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean, and current knowledge ... catch limits exceed 9.3% of conservatively estimated subarea biomass in up to 20% of years due to high ... ‘trigger level’), established in 1991, is 0.62 million tonnes year–1, equivalent to ~1% of the regional ... tonnes year–1, since 2009. There is some evidence for a decline in the abundance of krill in the 1980s ... more than about 1 year) in the upper 500 m of the water column. Krill are also found in lower numbers ...

   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. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... year, but there was no evidence that the rate of decline differed between years. A consequence of this ... Paper Title:  Modelling variability and estimating power to detect change in Adélie penguin ... fledgling weights Abstract / Description:  Statistical models of variation in Adélie penguin fledgling ... the following calendar year (hereafter referred to as years). In each of the 12 years, an attempt was ... year i. The number of penguins measured in year i is ni and r is the number of pre-impact years. It ... collected on fledgling weights on date x for samples of n fledglings per year (1) in each of r years prior ... birds, or (c) 30 birds each year. Change detected for three to five years of monitoring after change ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Auteur(s): Emmerson, L.M., C. Southwell and J. Clarke

7. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   Paper Title:  Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... operating off the coast of East Antarctica (30°E–150°E; FAO/CCAMLR Divisions 58.4.1 and 58.4.2) since 2003 ... participation in the fishery, with only some Small-scale Research Units (SSRUs, consisting of 10° longitude ... there are two stocks in the area, one in Division 58.4.1 and one in Division 58.4.2, with the division ... 58.4.2. Fishing years extend from 1 December of the previous year to 30 November of the named year ... years was virtually in the same place each year (Appendix 2, Figures 2.1(g, h and i)). Fish could ... of toothfish in an area, with animals only being replaced by immigration over the scale of a year ... fish tagged in year y1 and recaptured in year y2, nt is the number of tags released in year y1, l is ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

8. Estimating optimal observer coverage in the Antarctic krill fishery

   Paper Title:  Estimating optimal observer coverage in the Antarctic krill fishery Abstract ... conventional krill trawl vessels fishing in South Georgia (CCAMLR Subarea 48.3) were analysed using variance ... estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ... by-catch. A partial coverage sampling program has been implemented in South Georgia since 2002 ... (% ) T ot al h au ls w it h kr ill sa m pl in g (% ) A ca m ar 20 02 30 7 ... 07 30 8 In su ng H o 20 07 62 9 N iit ak a M ... st in 20 08 71 55 21 38 21 30 10 0 30 A ve ra ge s 62 ... a conservation measure to require observer coverage on 30% of vessels in the 2009/10 fishing ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Auteur(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

9. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   ice cover as a covariate to explain between-year variation in trip duration increased the power to ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... Paper Title:  Assessing the power to detect systematic change in Adélie penguin foraging trip ... duration Abstract / Description:  Models of variability in Adélie penguin foraging trip durations were ... 15 20 25 30 213 The power to detect systematic change in Adélie penguin ... no change up to year a (i.e. the pre- impact years) versus the alternative of an increase in mean of ... ), and (iii) the effect size is reached after 30 years (0.75% increase per year; trend change), to ... . 208 gradual trending increase of 0.75% per year over 30 years (i.e. 25% increase after 30 years) is ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson

10. Integrated research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea, New Zealand and Ukraine

    the proposal in 2017. The joint research proposal was for 3 years covering the period 2017/18, 2018/19 ... . Following a proposal from the Ukraine to join the research plan in 2018, the Scientific Committee requested ... Abstract:  A research plan for Subarea 88.3 was commenced by Korea in 2016 and New Zealand joined ... and 2019/20. It was designed to build on Korea’s previous research by continuing to focus on research ...

    Meeting Document : WG-SAM-2019/02 : Auteur(s): Delegations of the Republic of Korea, New Zealand and Ukraine

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