Результаты поиска
-
Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates
pattern in krill abundance was detected that recurred consistently over all 3 years. Krill densities in ... winter were predominantly low (mean = 18.7 g m-2 SD 24.3) but rose substantially by summer in each year ... . within-year) could have led to the perceived between-year variation from previous summer surveys in the ... survey estimates with the observed pattern of within-year variability showed that some of the alleged ...
Meeting Document : WG-EMM-06/25 : Автор(ы): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)
-
Review of CCAMLR activities on monitoring marine debris in the Convention Area
than 3 consecutive years, these are: Cape Shirreff, (Livingston Island, South Shetland Islands); Bird ... at King George Island for the fourth consecutive year. There are now 4 sites that have data for more ...
Meeting Document : SC-CAMLR-XXIII/BG/11 : Автор(ы): Secretariat
-
Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet
, macaroni penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs ... fledged on average 0.46 chicks per year, an amount thought insufficient to maintain the population ...
Meeting Document : WG-EMM-03/15 : Автор(ы): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)
-
Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03
the mid 1980s. Crozet shags breed for the first time when aged three years. It is probable that about ...
Meeting Document : WG-EMM-03/17 : Автор(ы): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)
-
An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002
years and indications that ice cover in the winter of 2002 is seasonally early and extensive. Author(s ... fit to the biomass density time series is dominated by an 8-year cycle and predicts an increase in ... ): R.P. Hewitt, D.A. Demer and J.H. Emery (USA) Title: An 8-year cycle in krill biomass density inferred ...
Meeting Document : WG-EMM-03/6 : Автор(ы): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)
-
Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
to the diet in 2003 but was only a minor component in 2001. Differences between years were ...
Meeting Document : WG-EMM-03/44 : Автор(ы): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)
-
Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
of recruitment being increased for some recent years. An assessment of the trend in illegal catches ... results for 2001. The pooled length-density distribution for the 2002 survey shows that the younger year ... classes (ages 2 and 3) are likely to be much weaker than the current juvenile year classes (ages 4 to 8 ...
Meeting Document : WG-FSA-02/70 : Автор(ы): A.J. Constable, R. Williams and T. Lamb (Australia)
-
Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data
over 11 years on this stock with other surveys including part of this stock. This paper describes the ...
Meeting Document : WG-FSA-01/73 : Автор(ы): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)
-
Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica
of the simple model used, and the weighted effect of the continuos data set during these last 8 years ...
Meeting Document : WG-EMM-99/16 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
bands at Bird Island was higher than in recent years and there was a decrease in the incidence of net ... year. The prolonged presence of sea ice around the South Orkney Islands probably accounted for the low ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Автор(ы): Delegation of the United Kingdom
Страницы
- « первая
- ‹ предыдущая
- …
- 190
- 191
- 192
- 193
- 194
- 195
- 196
- 197
- 198
- …
- следующая ›
- последняя »