Search results
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Developing robust biomass estimates and advice on catch limits in research blocks
the information from the CPUE by seabed area biomass analogy and Chapman biomass estimates together ... the information from the CPUE by seabed area biomass analogy and Chapman biomass estimates together ...
Meeting Document : WG-SAM-17/37 : Author(s): S.J. Parker, S. Mormede, A. Dunn, S.M. Hanchet and C. Marsh
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in the years ... of reliable biological and catch data. This paper attempts to reconstruct the fishery for these two species ... by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in the years 1977 to 1988 consisted ...
Meeting Document : WG-FSA-90/06 : Author(s): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet
from about 405 000 pairs in 1983/84 and 434 000 pairs in 1994/95 to about 356 000 pairs in 2002/03. Two ... , 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 ... 405 000 pairs in 1983/84 and 434 000 pairs in 1994/95 to about 356 000 pairs in 2002/03. Two large ...
Meeting Document : WG-EMM-03/15 : Author(s): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
are used to show that for some years, at distances of between 20 and 60 km from predator colonies catches ... years, at distances of between 20 and 60 km from predator colonies catches in January and February may ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 ...
Meeting Document : WG-KRILL-92/19 : Author(s): D.J. Agnew (Secretariat)
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
to move, and showed more or less random orientation. One thousand echoes were collected per animal ... Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... , had substantial freedom to move, and showed more or less random orientation. One thousand echoes were ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ...
Meeting Document : WG-EMM-99/42 : Author(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2004/05
. In one case the entangling material had become attached to a rock and the animal was tethered ... Island, South Orkney Islands are reported for the 2004/05 summer season. There were two sightings ... , South Orkney Islands are reported for the 2004/05 summer season. There were two sightings of seals ... wearing neck collars of man-made debris, both were sub-adult males entangled with fishing net. In one case ...
Meeting Document : SC-CAMLR-XXIV/BG/18 : Author(s): Delegation of the United Kingdom
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DENSE STALKED CRINOID DOMINATED ASSEMBLAGES ON ADMIRALTY SEAMOUNT IN THE NORTHERN ROSS SEA (SSRU 881G): TWO POTENTIAL VMEs
,) a vulnerable marine ecosystem (VME) indicator taxon, were encountered at four sites on two isolated knolls ... , are provided. As a precautionary measure, two boxes around these respective knolls are proposed for designation ... DOMINATED ASSEMBLAGES ON ADMIRALTY SEAMOUNT IN THE NORTHERN ROSS SEA (SSRU 881G): TWO POTENTIAL VMEs ... ,) a vulnerable marine ecosystem (VME) indicator taxon, were encountered at four sites on two isolated knolls ...
Meeting Document : WG-EMM-11/10 : Author(s): C.D. Jones (USA), D.A. Bowden (New Zealand) and S. Schiaparelli (Italy)
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Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one extends from ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... in Division 58.4.1, 58.4.2 and Subarea 48.6 from 2014/2015 season to 2018/2019 using Korean commercial bottom ...
Meeting Document : WG-SAM-14/21 : Author(s): Delegation of the Republic of Korea
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Adélie penguins as indicators of the state of the sea-ice in Adélie Land
4°C that sent flows of melting snow through the colony, wiping out nests and eggs. Two “zero years” occurring ... the colony, wiping out nests and eggs. Two “zero years” occurring within three breeding seasons ... Island, Terre Adélie, failed to fledge their chicks. This catastrophic breeding failure resulted from two ... was characterized by unusual precipitations of rain around the turn of the year that killed massively the already ...
Meeting Document : WG-EMM-17/01 Rev. 1 : Author(s): Y. Ropert-Coudert, A. Kato and C. Barbraud
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
the densest krill swarms detected in any one year drove the mean krill density estimates for the WCB ... -2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009-2010) of low ... the densest krill swarms detected in any one year drove the mean krill density estimates for the WCB ... , 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009-2010 ...
Meeting Document : WG-EMM-14/P04 : Author(s): S. Fielding, J. Watkins, P. Trathan et al.