Search results
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
biomass of the Western Antarctic Peninsula region, and serve as focal animals for our Long Term Ecological ... Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... of nesting sites among Adelie penguins. The abandonment of breeding areas by Adelie penguins, following two ... to three years of failure at "poor" sites, suggests that changes in the population distribution ...
Meeting Document : WG-EMM-96/58 : Author(s): Fraser, W.R., Trivelpiece, W.Z.
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 tonnes) within ... tonnes) within Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying ... Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying the CCAMLR harvest control ...
Meeting Document : WG-FSA-2019/30 : Author(s): T. Earl
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2019 Ross Sea shelf survey results and notification for research in 2020
Abstract: The time series of relative abundance and age structure from the Ross Sea shelf survey ... monitoring the abundance and age structure of sub-adult (≤ 110 cm TL) toothfish in the south of SSRUs 881 ... The time series of relative abundance and age structure from the Ross Sea shelf survey ... monitoring the abundance and age structure of sub-adult (≤ 110 cm TL) toothfish in the south of SSRUs 881 ...
Meeting Document : WG-SAM-2019/03 : Author(s): S. Parker and C. Jones
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
that Antarctic toothfish have lower densities near to seal breeding colonies in McMurdo Sound than further away ... that Antarctic toothfish have lower densities near to seal breeding colonies in McMurdo Sound than further away ... of prey) will vary between different life history stages at different times of the year in different areas ... , animal-mounted camera information, and observations from field scientists in the McMurdo Sound region ...
Meeting Document : WG-EMM-08/43 : Author(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
prove necessary during the 20 year period considered. Simulation tests, including one particular test ... one particular test of robustness to the assumptions of the operating model, are carried out ... may be suspended or reversed in any year depending on how many of the previous three year039;s CPUE ... is proposed: the primary objective is to prevent the expected lowest biomass of krill over a 20 year ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Author(s): Delegation of South Africa
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Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia
, and with age of the breeding bird, nest location and, in one year, with laying date. Young, first-time breeders ... , and with age of the breeding bird, nest location and, in one year, with laying date. Young, first-time breeders ... -year period (1986-1988) at Bird Island, South Georgia, with particular reference to birds of known age ... and chick growth. Chicks left the colony for the first time between 75 and 85 days of age. The breeding ...
Meeting Document : WG-CEMP-90/38 : Author(s): T.D. Williams (United Kingdom)
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Abundance of larvae and assessment of recruitment size of Carlsberg lantern fish (Electrona carlsbergi Tåning, 1932) - (family myctophidae) in Southwest Atlantic in 1989
the recruitment biomass (fish aged up to 1 year) in this species for the area of 87750 square miles studied ... . The abundance of larvae in this area was 4.3 x 10 ind., while the biomass of one year old fish obtained ... the recruitment biomass (fish aged up to 1 year) in this species for the area of 87750 square miles studied ... . The abundance of larvae in this area was 4.3 x 10 ind., while the biomass of one year old fish obtained ...
Meeting Document : WG-FSA-95/07 : Author(s): Nevisnky, M.M.
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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 ... penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs fledged ... from about 405 000 pairs in 1983/84 and 434 000 pairs in 1994/95 to about 356 000 pairs in 2002/03. Two ... decrease of 88% between 1979/80 and 2002/03, most of the decrease occurring after 1983/84. At Marion Island ...
Meeting Document : WG-EMM-03/15 : Author(s): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
free water was observed but below ice were rather single ones. Because in the same time, many times ... of observed aggregations were not migrated ones but created from krill scattered previously below ice. Biomass ... to the ones calculated in Atlantic and Indian Sectors. Author(s): Kalinowski, J., Azzali, M. Title: Spatial ... water was observed but below ice were rather single ones. Because in the same time, many times ...
Meeting Document : WG-EMM-97/53 : Author(s): Kalinowski, J., Azzali, M.
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys, 1987-1990
within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 75% of the catch ... % within 80 km in all years 1988-1990. In 1987 and 1988 75% of the catch in 48.2 between December and March ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... in 48.2 between December and March was taken within 80km of colonies in the South Orkneys. Estimates ...
Meeting Document : WG-CEMP-91/25 : Author(s): D.J. Agnew (Secretariat)