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Комиссия по сохранению морских живых ресурсов Антарктики

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  • 20世纪80年代初 首次提出“政企分开”的概念。民航北京管理处顺应时代要求,实行重大体制改革,组建了中国民航北京管理局、中国国际航空公司和北京首都机场
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  • 20世纪80年代初 首次提出“政企分开”的概念。民航北京管理处顺应时代要求,实行重大体制改革,组建了中国民航北京管理局、中国国际航空公司和北京首都机场
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  1. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

    variability is that the probability of the population falling to below 20% of median spawning stock biomass ... the absence of fishing, the probability of falling below 20% of the median unexploited spawning ... cases would be to ensure that the probability of falling below the 20% reference level is not ... respectively. The effects of a constant catch level (in tonnes) over a 20-year period were evaluated. The ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Автор(ы): de la Mare, W.K., R. Williams and A.J. Constable

  2. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

    Peninsula, islands of the Scotia Sea and Antarctic continent between 80°W and 20°W: their status and ... TwineTM #20. Eyeless hooks of size #26 MarutoTM (28 mm) were tied to the free ends of the secondary ... but were 10 mm in diameter. Pieces of the squid Illex argentinus were used for bait, with roughly 20 ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Автор(ы): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

  3. Some thoughts on precautionary measures for the krill fishery

    spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75% of ... these species is less than 250 km. Bearing in mind that 80% of the krill consumed is taken by macaroni ...

    Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Автор(ы): Everson, I. and W.K. de la Mare

  4. On the intensity of sampling krill trawl catches

    120 100 90 80 70 60 50 40 30 20 10 30 35 i i i i i i i i i i i i i ... 20 « w ::E 18 Z w 16 U Z UJ 14 '" w u.. u.. Ci 12 w ..... co ~ 10 u 10 w I- 8 w 0 ... In t5 rr; 20 -' Z 4: 18 ~ ~ 16 w u 14 Z w c:;,: w u.. 12 u.. B w 10r 10 -' co ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Автор(ы): Miller, D.G.M.

  5. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

    - eter polypropylene hauling line, 8 mm diameter polypropylene branch/connecting lines (20 m long) and ... / connecting lines were spaced 80 m apart on long- lines. Hook-bearing snoods were 2 mm in diam- eter, 0.7 m ... : Mean masses and coefficients of variation (SD ÷ mean) of 20 randomly selected weights of each weight ... 16 18 20 0 2 4 6 8 10 12 14 16 18 20 4 kg 6 kg 8 kg D ep th (m ) D ep th ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Автор(ы): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

  6. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

    Banks: n = 136, mean length = 111.8 20 a, 0) m 15 0 a 10 5 0 40 45 50 55 60 65 70 75 80 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Species Dissosticht~s ... 20/11/97 22/11/97 22/11/97 23/11/97 24/11/97 Meteor Bank No. % 401 68.20 146 24.83 34 ... 3/11/97 4/11/97 6/11/97 7/11/97 9/11/97 10/11/97 11/11/97 18/11/97 19/11/97 20/11/97 ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Автор(ы): López Abellán, L.J. and J.F. González Jiménez

  7. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

    - ment derive from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A ... simulations. Parameter Value MPC prediction horizon N = 20 Input bounds Umin = [400 400]T Umax = [1 000 ... %, the area- specific biomasses of harvested species must remain above 20% of their respective pre ... Sivan, 1972). This leads to the following defi- nition of the optimal control problem: { }0 1 2 20 2 ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon

  8. The effects of monitoring procedures on Adélie penguins

    intervals between cold sea water and a -20°C freezer over several months did not show signs of opening ... these with fish and amphipods in their stomachs. On their long trips birds travel to points 80 to 130 ... Adel ie penguins , Pygoscelis adeliae. Polar Biol., 10: 77-80. Legendes des tableaux Tableau 1 ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Автор(ы): Clarke, J. and K. Kerry

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

    scenarios, analyses were undertaken for a varying number of years of post-impact monitoring (1–10, 15, 20 ... foraging trips) is to calculate bird means of multiple trips through- out chick rearing from 20 or more ... strategies. Polar Biol., 20 (4): 248–258. Clarke, J., K.R. Kerry, L. Irvine and B. Phillips. 2002. Chick ... cloaca- scope. International Zoo Yearbook, 18: 77–80. Southwell, C., J. Clarke, K. Reid, G. Watters and ...

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

  10. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

    surface were evaluated to five target depths: 2, 3, 5, 10 and 20 m. Of these target depths, sink time to ... . Treatment Target depths (m) 0–2 0–3 0–5 0–10 0–20 With 7.9 12.1 20.4 38.6 76.9 Without 7.4 12.9 20.7 ... longline fishery around Crozet and Kerguelen Islands, 2001–2003. CCAMLR Science, 12: 53–80. 113 ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Автор(ы): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

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