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Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea
Abstract: Understanding the relative effects of biotic and abiotic drivers of survival, and the ... interactions between them, is a key component in understanding the factors driving changes in animal ... breeding colonies of different sizes on Ross Island during a period of high environmental variability. The ... efficiency and providing a natural experiment to test the effects of environmental conditions and competition ...
Meeting Document : WG-EMM-13/31 : Автор(ы): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)
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Report on exploratory fishing by Australia in Division 58.4.1 during the 2015/16 fishing season
in exploratory fishing within these Divisions. This paper reports on the fishing operation, catch ... immature and mature (gonad stage ≥ 3) D. mawsoni were present in both SSRUs. The most commonly caught ... recaptured. Voyage outcomes are evaluated in relation to the current stock hypothesis for the region, and ... their progress towards achievement of the research objectives outlined in WG-FSA-15/47 Rev. 1. This is a ...
Meeting Document : WG-SAM-16/35 : Автор(ы): P. Yates, D. Welsford, P. Ziegler, D. Maschette and T. Lamb
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An unmanned aerial vehicle as a platform for aerial photography of land-based predator populations in Antarctica: specifications and suitability of the Aerosonde Mark III
Abstract: WG-EMM is currently investigating the feasibility of undertaking broad-scale surveys of ... large and remote regions. We describe some specifications and assess the advantages and disadvantages of ... one such UAV, the ‘Aerosonde’, which is manufactured by Aerosonde™ in Melbourne, Australia. The ... cost, the need for a launching and landing runway, difficulty in operating around mountainous terrain ...
Meeting Document : WG-EMM-03/50 : Автор(ы): L. Irvine and C. Southwell (Australia)
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The use of predator-derived krill length-frequency distributions to calculate krill target strength
Abstract: The relationship between krill abundance and predator performance is fundamental to an ... ecosystem based approach to resource management. We propose a method using krill sampled from the diet of ... in the length-frequency distribution of krill over a period of few weeks produced a 10 % difference ... , illustrating the need for simultaneous length-frequency data. By integrating data from land-based predators ...
Meeting Document : WG-EMM-00/42 : Автор(ы): K. Reid and A.S. Brierley (United Kingdom)
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Brief results of research fishing in Subarea 88.3 in the 2010/11 season
Abstract: According to the application that has been applied by Russian Federation in 2010 for ... season 2010/2011 research fishing in subarea 88.3 has been done. The work has been done by longliner ... sets had not took place because of complicated ice conditions. The catch was totally analyzed for its ... fish food analysis). According to the catch’s length variation, 30 fishes of different length have been ...
Meeting Document : WG-SAM-11/09 : Автор(ы): Delegation of the Russian Federation
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Antarctic krill fisheries management and the need to retain CM 51-07
Abstract: ASOC strongly supports the recommendation of WG-EMM-16 that Conservation Measure 51-07 ... expects CCAMLR to endorse the scientific advice from its working group. Although it has some weaknesses ... , CM 51-07 has minimized the risks of localized krill depletion and therefore should not be allowed to ... lapse. ASOC also urges SC-CAMLR and the Commission to develop additional means of preventing overlap ...
Meeting Document : SC-CAMLR-XXXV/BG/17 : Автор(ы): Submitted by ASOC
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Modelling whale distribution: a preliminary analysis of data collected on the CCAMLR-IWC Krill Synoptic Survey, 2000
Abstract: We use data collected on the CCAMLR-IWC Krill Synoptic Survey (2000) to investigate ... relationships between cetacean density, krill density and oceanographic conditions. We explore the use of ... abundance estimates for sub-areas within the survey region, as well as for the survey region itself ... ): Observer (IWC) Title: Modelling whale distribution: a preliminary analysis of data collected on the CCAMLR ...
Meeting Document : SC-CAMLR-XX/BG/30 : Автор(ы): Observer (IWC)
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Identification of squid echoes in the south Atlantic
Abstract: During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in ... February 1996, a substantial number of the ommastrephid squid, Martialia hyadesi, were caught in a pelagic ... trawl, near the Antarctic Polar Frontal Zone in CCAMLR Subarea 48.3. This paper describes acoustic data ... gathered during this haul and a survey of the immediate vicinity, in order to characterise an acoustic ...
Meeting Document : WG-EMM-97/26 : Автор(ы): Rodhouse, P., Goss, C., Brierley, A., Watkins, J.
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A customised Marine Spatial Planning tool in Arc-GIS to facilitate development and evaluation of Marine Protected Area scenarios in the CCAMLR Area
Abstract: We describe the use of a GIS-based Marine Spatial Planning (MSP) tool designed to aid ... the development and transparent evaluation of MPA scenarios with reference to spatially explicit ... framework. The MSP tool has been customised to enable rapid set-up and use in any of the nine CCAMLR MPA ... Planning tool in Arc-GIS to facilitate development and evaluation of Marine Protected Area scenarios in the ...
Meeting Document : WG-EMM-12/56 : Автор(ы): B.R. Sharp and K. Ollivier (New Zealand)
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Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3
from the 1998, 1997 and 1996 toothfish seasons. Toothfish are distributed down the shelf slope in ... may be a small spawning event in April/May. The observed shifts in length at depth may be associated ... spawning between the two areas. There may be two (or more) spawning periods during the winter, with the ... Dissostichus eleginoides over the winter period in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-98/58 : Автор(ы): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)
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