Search results
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History of the Convention
by the 1972 Convention for the Conservation of Antarctic Seals (CCAS), which aimed to promote and achieve ... 1960s and mid-1970s, along with the emergence of interest in the large-scale exploitation of Antarctic ... on krill as food. Over the next eight years, the BIOMASS program sponsored substantial research, including ... by the 1972 Convention for the Conservation of Antarctic Seals (CCAS), which aimed to promote and achieve ...
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Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)
and sex composition, when controlling for gear selectivity, year and sex effects. Fish length increased ... fish inhabit deeper waters (>1500m) especially on the eastern part of the Plateau, where ... in the HIMI part of the Kerguelen Plateau. The distribution and ecology of the early life history stages, up ... to 2-3 years old, and the implications of sexual and phenotypic variability in growth and movement stand out ...
Meeting Document : WG-FSA-14/42 : Author(s): C. Péron and D.C. Welsford (Australia)
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Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea
Abstract: The results of icefish ecology were summarized for the period of above 20 years ... that the life mode changed from pelagic one occurring at early life stages, to near-bottom- pelagic one after 20 ... to coastal areas in the northern and north-eastern part and to the open shelf areas in the southeast, while ... The results of icefish ecology were summarized for the period of above 20 years of South Georgia ...
Meeting Document : WG-FSA-99/65 : Author(s): Zh.A. Frolkina (Russia)
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Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
was sparse. Foraging trip duration differed by colony, season and year and was related directly to distance ... of the food gathered by parents was used for self maintenance; on longest trips, parents lost body mass ... was sparse. Foraging trip duration differed by colony, season and year and was related directly to distance ... of the food gathered by parents was used for self maintenance; on longest trips, parents lost body mass ...
Meeting Document : WG-EMM-98/15 : Author(s): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
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e-sc-viii-a6.pdf
... fishing countries of CCAMLR, especially for the early period of the fishery. Problems were also ... that this should be completed for this year’s Scientific Committee meeting so data collection procedures from ... -89/13) indicated that scales tended to underestimate age by one year. This was thought to be due ... spawning occurs annually in C. gunnari around South Georgia not all fish spawn each year. It is estimated ... mortality (F0.1, Fmax, 2 x Fmax); • harvesting constantly at 50% F0.1 with an increase of F 3 or 5 years ... after a good recruitment; • pulse fishing at an interval of 3 years with no fishing in between; and ... year may not reflect the age composition of catches in other years. According to Ricker this can lead ... strength of the incoming year class. An increased F should not occur until at least four years after a
application/pdf attached to:WG-FSA-89Meeting Report : WG-FSA-89
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Do Adélie penguin fledgling weights provide an index of prey availability?
but this was not as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at the end ... of the breeding season were more strongly correlated with later foraging trips than with earlier trips. We ... but this was not as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at the end ... of the breeding season were more strongly correlated with later foraging trips than with earlier trips. We ...
Meeting Document : WG-EMM-05/21 : Author(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
examined for Adélie penguins over a period of 12 years. Data were collected from 1990/91 to 2001/02 ... at Béchervaise Island, Eastern Antarctica. Parameters relating to chick survival (brooding nest counts, counts ... while other parameters, such as arrival counts and incubating nest counts, are more stable between years ... are critical for chick survival. There was a strong negative correlation between female foraging trip duration ... M as s (g ) 0 0.2 0.4 0.6 0.8 1 1.2 Br ee di ng s uc ce ss Female on arrival Female at departure Female ... w ee n w it hi n- se as on p en gu in w ei gh ts an d br ee di ng su cc es ... s an d fl ed gl in g m as s. Sh ad ed ce lls in di ca te st at is ti ca lly si ... M al e D ep ar ts on S FT M al e R et ur ns fr om S FT Br ee di ng s uc ce ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Author(s): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell
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A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88
and timing of spawning, and the probable early life history characteristics of toothfish, we investigated ... with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of the Ross Sea ... -Antarctic ridge to start the cycle again. Spawning fish may remain in the northern area for up to 2–3 years ... of spawning, and the probable early life history characteristics of toothfish, we investigated models ...
Meeting Document : WG-FSA-07/35 : Author(s): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)
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e-sc-xvi-a4-appD.pdf
... not collected due to biological circumstances, for example the animals in question died during the course ... the breeding season at South Georgia for the years 1989 to 1997. Variable Fur Seal Foraging Trip Duration ... by the subgroup last year (section 1). 2.2 Dr Ramm and the Secretariat were thanked for the considerable work ... (section 3, A1B, Figures 1 to 5) the different years should be more clearly demarcated; and, (ii ... 20 years Year with least extreme VOGON 1982 1987 Mean of transformed index -0.7210 -1.4650 ... data collected under Method A1B (section 3, A1B, Figures 1 to 5) the different years should be more ... poor years. For this reason high values are not necessarily associated with good conditions. This ... 1/(n-1) for two cases in a year with a sample of size n; (iv) test whether the correlation
application/pdf attached to:WG-EMM-Stats-97Meeting Report : WG-EMM-Stats-97
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Report of the Eighth Antarctic Treaty Consultative Meeting
, not later than 30 November each year; 34 4. Тhеу report prior to 30 June in accordance ... the categories listed below is to Ье exchanged as early as possiЬle but in no case later than 30 November each ... JUNE 1975 MINISTRY OF FOREIGN AFFAIRS OSLO 1976 CONTENTS I. Final Report По ... . Кnut Frydenlund, Minister of Foreign Affairs of Norway. 4. Mr. Hambro was then elected Chairman ...
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