Search results
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
), and in March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... and southwest of the island. Together these surveys provided temporally and spatially extensive coverage around ... with observations from previous years, krill density in the western box in the mid-season survey was less than ... (mid-season), and in March 2001 (late-season). The surveys were the first in a newly planned five-year ... planned fi ve-year series of observations designed to complement and extend an existing time series ... , examined boxes to the north, northeast and southwest of the island. Together these surveys provided ... g m-2). In a pattern that is consistent with observations from previous years, krill density in the western box ... series of surveys was planned for the fi ve years 2000/01 to 2004/05. Surveys in previous years have ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
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Pursuit of polynyas in the Antarctic peninsula area
observations. A typical polynya existed off the tip of the Peninsula in 1987 and 1991. In the such years, sea ... ice cover developed extensively. Inversely, the years of the narrow sea ice cover were 1988, 1989,1990 ... and 1993. In the such years, polynyas did not existed. The typical polynya (nearly 500 x 200 km) in 1987 ... was pursed from beginning on August 1 to end on October 20. The shape of the polynya changed remarkably ...
Meeting Document : WG-EMM-97/69 : Author(s): Kimura, N., Shibazaki, K., Matsumura, S., Naganobu, M., Okada, Y.
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
to the inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... -populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused by the offshore ... to 30 April next year. Variance was normalised using the trans- formations: in the case of numbers ... in Table 1. Split-year (1 May to 30 April) means of total catches per haul are presented in Figure ... = 0.15), together with the observed split-year mean values. Annual marks correspond to 1 January each ... over the last 16 years was most probably caused by the offshore commercial fishery in the area ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia
on the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These were ... ) have been simulated for a period of 30 years. These were: different levels of constant fishing ... with F increasing three or five years after a good recruitment; pulse fishing at an interval of three years ... to the strength of the incoming year class. An increase of F, however, should not occur earlier than four years ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Author(s): Köster, F.W. and K.-H. Kock
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
examined, the point estimate of total biomass increased from 5 to 30% for eight species and decreased by 20 ... increased from 5 to 30% for eight species and decreased by 20% for one. ... and 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n miles larger in area within ... estimates are about 1 424 (20%) n miles larger in area within the 50-500 m isobaths than Everson' ... biomasse totale a augmente de 5 a 30% pour huit especes et diminuk de 20% pour la neuvieme. Eb1JTa ... OqeHKa o6qet ~ H O M ~ C C ~ I BO3pOCna Ha 5-30% AJIR 8 BHAOB M COKpaTHJIOCb Ha 20% AnR OifHOrO ... total aumento entre 5 a 30% para ocho de las nueve especies de peces examinadas, y disminuy6 en 20 ... m range (Table 3). Difference -368.21 (-37%) 282.94 (+23%) 1 509.58 (+30%) 1 424.30 (+20 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Author(s): C.D. Jones
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Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia
Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... have been simulated for a period of 30 years. These were - diffierent levels of constant fishing ... of F 3 or 6 years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between ... year class. An increaseof F, however, should not occur before 4 years after a good recruitment ...
Meeting Document : SC-CAMLR-VIII/BG/47 : Author(s): Delegation of Federal Republic of Germany
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CCAMLR Strengthens Marine Conservation in Antarctica
, developed by Members over several years by the Commission’s Scientific Committee and its Working Groups ... analysing other Antarctic marine areas as candidates for the establishment of MPAs. This year four proposals ... of the Scientific Committee. In the 31 years it has been established, CCAMLR has only ever convened one other ... resources in accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
, developed by Members over several years by the Commission’s Scientific Committee and its Working Groups ... analysing other Antarctic marine areas as candidates for the establishment of MPAs. This year four proposals ... of the Scientific Committee. In the 31 years it has been established, CCAMLR has only ever convened one other ... resources in accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
, developed by Members over several years by the Commission’s Scientific Committee and its Working Groups ... analysing other Antarctic marine areas as candidates for the establishment of MPAs. This year four proposals ... of the Scientific Committee. In the 31 years it has been established, CCAMLR has only ever convened one other ... resources in accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
, developed by Members over several years by the Commission’s Scientific Committee and its Working Groups ... analysing other Antarctic marine areas as candidates for the establishment of MPAs. This year four proposals ... of the Scientific Committee. In the 31 years it has been established, CCAMLR has only ever convened one other ... resources in accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention ...
Page : Site Section: The Organisation