Search results
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
of the parasite is likely to be, but at the one extreme a parasite could live until its host dies. Crabs ... fishing trip targeting crabs in Subarea 48.3, by the FV Pro Surveyor, presented in Otto and MacIntosh ... fishing trip, indicate that very few infected animals are found above the minimum 'commercial' size ... survive, the harvest would only include healthy males. If the infected discards are destroyed or die ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
adjustment data for Adélie penguins in East Antarctica. Availability curves, such as those presented here ... Béchervaise Island near Mawson Station, East Antarctica, it is applicable to other Adélie penguin ... reaching a peak in early November (Figure 1). Many of these penguins form pairs, establish nests ... ) to undertake a foraging trip of around 17 days duration (Emmerson et al., 2003). Non-breeders and failed ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Author(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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e-sc-xxiv-a4.pdf
... the early 1980s. Among the 15 SSMUs within Subareas 48.1, 48.2 and 48.3, including the pelagic SSMUs, only ... an opportunity to understand the operation pattern of the fishery early in its development, as well ... trips/deployments in the krill fishery between 1999/2000 and 2003/04 in Subareas 48.1, 48.2 and 48.3 ... from a survey designed to estimate the abundance of pack-ice seals off east Antarctica conducted ... time since the early 1980s. Among the 15 SSMUs within Subareas 48.1, 48.2 and 48.3, including the ... Working Group an opportunity to understand the operation pattern of the fishery early in its development ... a survey designed to estimate the abundance of pack-ice seals off east Antarctica conducted in the ... early summer of 1999/2000 using an icebreaker and two helicopters. The survey collected data on
application/pdf attached to:WG-EMM-05
Meeting Report : WG-EMM-05
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Validating the Gasco-method for depredation estimation in Subarea 48.3
for model estimation of the lost catch. A new method was developed in 2014 that used an observed change ... estimation of the lost catch. A new method was developed in 2014 that used an observed change in ratios ...
Meeting Document : WG-SAM-16/32 : Author(s): M. Söffker and T. Earl
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CEMP indices: 2007 update
, but were lost in a fire onboard the icebreaker Irizar. The development of an ordination method ... photographs are being undertaken. Data were collected from Esperanza Station, but were lost in a fire onboard ...
Meeting Document : WG-EMM-07/04 : Author(s): Secretariat
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e-sc-38-a4.pdf
... of removals due to lost longlines using either the geometric mean of catch rates from the fishing season ... during which the gear was lost, or the catch-per-unit-effort (CPUE) from the recovered part ... mortality from lost gear to provide an unbiased estimate of the expected mortality and that the sensitivity ... the early years of the fishery in Subarea 88.1 and small-scale research units (SSRUs) 882A–B, previously ... relationship and estimates of removals due to lost longlines using either the geometric mean of catch rates ... from the fishing season during which the gear was lost, or the catch-per-unit-effort (CPUE) from the ... used to estimate mortality from lost gear to provide an unbiased estimate of the expected mortality ... releases from the early years of the fishery in Subarea 88.1 and small-scale research units (SSRUs) 882A–B
application/pdf attached to:WG-SAM-2019
Meeting Report : WG-SAM-2019
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Common by-catch species in CCAMLR longline and trawl fisheries
deciduous and usually lost. Colour: Larger individuals bluish-black, but paler grey- brown in smaller ... with scales. Long distinct upper lateral line and short indistinct middle lateral line near the tail ... to middle depth of pectoral fins a notable silvery-white. Size: To about 24 cm total length ...
Document : Site Section: Science
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The survivorship of rays discarded from the South Georgia longline fishery
M. Endicott and D.J. Agnew Renewable Resources Assessment Group Imperial College, Royal School of Mines ... and position of capture on the line being hauled (b = beginning, m = middle, e = end) on skate survival ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Author(s): Endicott, M. and D.J. Agnew
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WG-FSA-12
Islands to estimate early life history timings and to validate annulus formation E. Barrera-Oro (Argentina ... and at the tip of the Antarctic Peninsula (CCAMLR Subarea 48.1) in March–early April 2012 K.-H. Kock (Germany ... of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011 D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L ...
Meeting
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
) in approximately 110 days, i.e. from early November to the middle of February. In this regard, krill stock ... extended from the eastern Scotia Sea, enveloped South Georgia from the east and continued along ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Author(s): Sushin, V.A. and K.E. Shulgovsky