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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors

    Paper Title:  Large-scale peculiarities of phytocenosis species composition in the surface layer ... in the Antarctic Atlantic and Indian Ocean sectors Abstract / Description:  In surface phytoplankton ... Weddell Gyre. In the eastern Weddell Gyre a great change in the composition of phytoplankton species was ... registered. Variability in phytoplankton species composition occurred mainly in the Antarctic Convergence ... PHYTOCENOSIS SPECIES COMPOSITION IN THE SURFACE LAYER IN THE ANTARCTIC ATLANTIC AND INDIAN OCEAN SECTORS ... R.R. Makarov and K.P. Fedorov Abstract In surface phytoplankton samples (layer between 0 and 1 m ... the distribution of the south peripheral waters and the centre of the Weddell Gyre. In the eastern ... Weddell Gyre a great change in the composition of phytoplankton species was registered. Variability in ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Автор(ы): Makarov, R.R. and K.P. Fedorov

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

    year, depending on how many of the previous three years' CPUE values fall below a target level of ... prevent the expected lowest biomass of krill over a 20-year harvesting period from falling below 60% 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 : Автор(ы): 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 ... all the requirements of Article II will be met. This is for two reasons. Firstly, errors in ... 10000 15000 0 10 20 30 40 50 60 70 80 90 100 Year Po pu la tio n si ze Recruitment fails twice ... provide some indication of recruitment in subsequent years. The implications of this conclusion can be ... at random each decade Recruitment normal 50% Survivorship 0 1000 2000 3000 4000 0 10 20 30 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Автор(ы): Everson, I

  4. 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 ... of the regional biomass in recent years. This suggests that fishing at the trigger level would be ... objectives? CCAMLR’s management of the krill fishery fol- lows the principles set out in Article II of the ... biomass (i.e. the total weight of reproductively mature individuals) after 20 years of fishing should ...

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

  5. 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 ... collected the data used in this analysis for many years, to Knowles Kerry who instigated the Béchervaise ... 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 ...

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

  6. 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 ... vessels and nations fishing in different areas in different years. Catches have been poor in the west ... 58.4.1) fishing has been more predictable, and the catch limit has been reached in most years. This ...

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

  7. 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 ... observer coverage in the Antarctic krill fishery introduction In recent years, the fishing industry has ...

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

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

    variability among years was greater in the guard stage. Estimates of variability were used to explore the ... ice cover as a covariate to explain between-year variation in trip duration increased the power to ... 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 ... detection exceed- ing 0.80 only in the single case of 30 years of moni- toring during the crèche period with ... number of impact (step, ramp and trend increases of 25%) and monitoring (1–10, 15, 20, 25 and 30 years ... 15 20 25 30 213 The power to detect systematic change in Adélie penguin ... –10, 15, 20, 25 and 30 years of post-impact ...

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

  9. A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ

    eleginoides) resource in the Prince Edward Islands EEZ Abstract / Description:  The history of the fishery for ... Patagonian toothfish (Dissostichus eleginoides) in the Prince Edward Islands Exclusive Economic Zone (EEZ) is ... sensitivity tests are shown in Table 5, together with those for projections to 2010 and to 2020 under a ... Figure 1: Population model fi ts and 20-year projections in terms of both the spawning and exploitable ... 2018 2021 Year h = 0.35 h = 0.09 21 Patagonian toothfi sh in the Prince Edward Islands ... EEZ Figure 3: Population model fi ts and 20-year projections in terms of the exploitable component of ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Автор(ы): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller

  10. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

    in all years 1988 to 1991. In 1987, 1988 and 1991, 75% of the catch in Subarea 48.2 between December ... Paper Title:  Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and ... South Orkneys Abstract / Description:  A set of concentric zones of 20 km width was defined around ... . Krill catches in these zones are shown to have a consistent pattern in Subarea 48.1 but an unpredictable ... March was taken within 40 km of the coast, and 90% within 80 km in all years 1988 to 1991. In 1987 ... sea into concentric zones around the major colonies with radii in 20 km increments. Major colonies ... and 4). In only three years (1987, 1988 and 1991) were the majority of catches in Subarea 48.2 taken ... 1989 in Subarea 48.1 and 1988 in Subarea 48.2 (Table 3). In these years, the catch within the 21 to 40 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Автор(ы): Agnew, D.J.

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