Search results
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The use of CCAMLR Statistical Subareas 88.1 and 88.2 and Division 58.4.1 by Macquarie Island giant petrels
88.1, extensively utilising these regions during long foraging trips to the ice-edge zone during ... not enter CCAMLR waters, one bird undertook a longer trip into division 58.4.1, where it spent 6% of its ... overall time at sea. We consider it possible that this trip may have been indicative of trips undertaken ... , extensively utilising these regions during long foraging trips to the ice-edge zone during incubation ...
Meeting Document : WG-FSA-06/49 : Author(s): R. Trebilco, R. Gales, B. Baker and A. Terauds (Australia)
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
, and biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence ... assist in assessing which data from a trip should be used in an assessment, and can also guide how ... quality measures for other data sets to group trips on the basis of their overall data quality. Ongoing ... in the quality of particular data sets from different trips in the Ross Sea Antarctic toothfish fishery. Cluster ...
Meeting Document : WG-SAM-08/13 : Author(s): D.A.J. Middleton and A. Dunn (New Zealand)
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
Abstract: The living conditions of Champsocephalus gunnari in the eastern, western shelf areas ... and the eastern grouping both in otolith morphology and morphometric characteristics. In larger fish ... the similarity between the eastern and western groupings and the differences between those two and Shag Rocks ... The living conditions of Champsocephalus gunnari in the eastern, western shelf areas of South ...
Meeting Document : WG-FSA-04/40 : Author(s): Zh.A. Frolkina and I.A. Trunov (Russia)
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Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea
Eastern, Northern, Western, Southern Island Shelf and near Shag Rocks allowed for revealing similarity ... of Island and near Shag Rocks and finding a difference between those two groups and the eastern group ... . Larger number of "mature" fish in the west is related to migration from eastern area ... Subarea. An analysis of Ch.gunnari length-age groups spatial distribution over Eastern, Northern, Western ...
Meeting Document : WG-FSA-00/32 : Author(s): Zh.A. Frolkina (Russia)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2006/07
. The mean foraging trip duration during chick- rearing was approximately one hour longer than in 2005-06 ... in interpreting the foraging trip data. Fledgling success and chick fledging mass in 2006-07 were higher than both ... plentiful in the chinstrap penguin’s diets in the 1997-98 and 2002-03 seasons. The mean foraging trip ... trip data. Fledgling success and chick fledging mass in 2006-07 were higher than both last season ...
Meeting Document : WG-EMM-07/P1 : Author(s): R. Orben, S. Chisholm, A. Miller and W.Z. Trivelpiece (USA)
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Do Adélie penguin fledgling weights provide an index of prey availability?
to two assumed proxies of prey availability: breeding success and foraging trip duration. Concordance ... between the two proxies was apparent when considering guard stage foraging trip durations ... 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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Scientific Abstracts 2005
pieces), indicating that debris is still being lost by vessels into the marine environment. Therefore ... : breeding success and foraging trip duration. Concordance between the two proxies was apparent when ... considering guard stage foraging trip durations but this was not as strong for the crèche foraging trips ... strongly correlated with later foraging trips than with earlier trips. These results could be interpreted ... groups. It is published only in English. There are four categories of papers: (i) scientific papers ... submitted for publication, i.e. in CCAMLR Science or elsewhere, which are listed as ‘submitted’ or ‘in press ... . All abstracts are listed in groups by respective CCAMLR bodies at meetings of which these papers were ...
Document : Site Section: Publications
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Toothfish and skate tagging methods
tag codes and colour for all tags present. • Record Trip and Haul. • Toothfish: Record Length ... is found in fish but after processing • Tagged fish cannot be linked to a haul • A tag is lost after ... , report likely source haul, return tag to CCAMLR. If tag is lost: Record vessel, likely date or haul ... Description / Abstract: Available in English only ...
Document : Site Section: Science
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Birds: Trophic modelling of the Ross Sea
entangled in lost fishing gear, disturbed by fishing activity, or affected by pollution from fishing ... then alternately forage (trips taking 1–3 weeks) and provision the chick for about 150 days (Dewey 1999) until Dec ... fledging and before moulting when adults travel up to 1200 km to eastern Ross Sea to forage (Kooyman et ... . Note that the foraging trip of emperor penguins lasts several days and even weeks but diet values ...
Document : Site Section: Publications
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Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
differences between the two seasons included A5: foraging trip duration, A6: breeding success and A8: meal ... on meal mass and foraging trip duration were combined to provide an index of provisioning rate, analogous ... the two seasons included A5: foraging trip duration, A6: breeding success and A8: meal mass and dietary ... and foraging trip duration were combined to provide an index of provisioning rate, analogous to the functional ...
Meeting Document : WG-EMM-03/44 : Author(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)