Search results
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Sexual dimorphism and sexual segregation in foraging strategies of northern giant petrels Macronectes halli during incubation
Abstract: Giant petrels (Macronectes spp) are the most sexually dimorphic of all seabirds. We ... used satellite-tracking and mass change during incubation to investigate the influence of sexual size ... dimorphism, in terms of the intersexual food competition hypothesis, on foraging and fasting strategies of ... northern giant petrels at South Georgia. Females foraged at sea whereas males foraged mainly on the South ...
Meeting Document : WG-FSA-99/38 : Author(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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New possibilities of krill-dependent indicator species monitoring – UAV survey in Subarea 48.1
performed. The total flight time of the missions was 40 hours and 56 minutes. Flights covered the area of ... resolution GSD (ground sample distance) of 3-6 cm. Obtained images were used for the estimation of population ... size. Precision estimation of individuals’ count was based on the photo interpretation of high ... software. In selected colonies a comparison with the results of measurements taken at the same time from ...
Meeting Document : WG-EMM-17/03 : Author(s): M. Korczak-Abshire, A. Zmarz, M. Rodzewicz, R. Storvold, M. Kycko, I. Karsznia, A. Kidawa and K.J. Chwedorzewska
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Coordinating approaches to incidental mortality arising from fisheries
Abstract: Globally, by-catch is recognised as one of the most significant issues affecting ... fisheries management. The Commission for the Conservation of Antarctic Marine Living Resources (the ... Commission) has adopted an ecosystem approach to managing fisheries which takes into account the direct and ... current approaches to by-catch management and activities across non-target taxa and examining the range of ...
Meeting Document : WG-FSA-03/71 : Author(s): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)
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Fisher training exchanges in seabird mitigation
. The aim was to provide a placement for a fisher from a Latin American county on board a vessel ... operating in the New Zealand fishery, which had a proven record of seabird-friendly fishing techniques. The ... report documents the process and outcomes of the first exchange to occur, which was for the placement of ... a Chilean skipper, Luis Uribe- a swordfish fisher from working in the Southern Chilean artisanal ...
Meeting Document : WG-FSA-05/47 : Author(s): S. Waugh (New Zealand)
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PROPOSAL FOR IMPROVEMENTS TO CCAMLR PORT INSPECTIONS
Abstract: Australia, New Zealand and the European Community jointly propose to amend Conservation ... Measure 10-03 (CM10-03) to provide further clarification on the information sought and the timing of ... inspection reports to the CCAMLR Secretariat and assist Contracting Parties in meeting their CCAMLR ... obligations. It is proposed that annexes be attached to CM10-03. The pro formas in these annexes are to be ...
Meeting Document : CCAMLR-XXVIII/42 : Author(s): Delegations of Australia, New Zealand and the Euro
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Maturity stages for skates (Rajiformes)
, important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... -laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... updating the descriptions of the maturity stages for skates are provided, as is a rationale for considering ... a four-stage key that allows for the collection of data for fish that are at active stages of the ...
Meeting Document : CCAMLR-XXXIII/03 : Author(s): J. R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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Maturity stages for skates (Rajiformes)
, important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... -laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... updating the descriptions of the maturity stages for skates are provided, as is a rationale for considering ... a four-stage key that allows for the collection of data for fish that are at active stages of the ...
Meeting Document : WG-FSA-14/33 : Author(s): J.R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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CEMP indices 2004: analysis of anomalies and trends
Abstract: The CCAMLR Ecosystem Monitoring Program uses indices derived from data on indicator ... species and the environment collected by standard methods within the three Integrated Study Regions of the ... Convention Area. Each year the Secretariat updates the standardised index values and provides a summary of ... trends and anomalies in these data. In addition, developments during the intersessional period are ...
Meeting Document : WG-EMM-04/14 : Author(s): Secretariat
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Summary of holdings of Patagonian toothfish (Dissostichus eleginoides) otoliths and size-at-age estimates from Heard and McDonald Islands (Division 58.5.2)
Abstract: Scientific observers aboard vessels in the Australian fisheries in 58.5.2 have ... collected Dissostichus eleginoides otoliths since the fishery commenced in the 1996/97 season. This program ... this Division. This paper summarises the otolith collection housed at the Australian Antarctic Division ... individuals which have been processed by the Central Ageing Facility to provide size-at-age estimates. Over ...
Meeting Document : WG-FSA-07/45 : Author(s): D.C. Welsford and G.B. Nowara (Australia)
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Spatial and temporal variability in foraging patterns of krill predators at Signy Island and South Georgia
Abstract: While constrained by the requirement to feed their young, land-based marine predators ... . In a system where the distribution and abundance of prey is highly variable, foraging behaviour must ... be highly adaptable. In this paper we consider the behaviour of seal and seabird krill-dependent ... species to determine whether foraging is more intense close to the colony, or whether it is more widely ...
Meeting Document : WG-EMM-02/33 Text : Author(s): P.N. Trathan, J.L. Tanton, A.S. Lynnes, M.J. Jessopp, H. Peat, K. Reid and J.P. Croxall (United Kingdom)