Search results
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Diet of two icefish species from the South Shetland Islands and Elephant Island, Champsocephalus gunnari and Chaenocephalus aceratus 2001–2003
2001 to 2003. C. gunnari fed almost exclusively on krill (Euphausia superba) in all years. The ... importance of other taxa (Themisto gaudichaudii, mysids, myctophids) in the diet was negligible. The average ... . They were Gobionotothen gibberifrons in 2001, Lepidonotothen larseni and C. gunnari in 2002 and L ... . larseni in 2003. An ontogenetic shift in feeding preference of C. aceratus was observed: Fish smaller than ...
Meeting Document : WG-FSA-03/61 : Author(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
Abstract: Managing fisheries to achieve ecosystem objectives is in its infancy. A general ... approach for maintaining ecological relationships and providing for the recovery of depleted populations in ... taking the ecosystem approach in managing fisheries: (i) how might fisheries impact incidentally on an ... account of uncertainties in knowledge of the structure of ecosystems. Estimates of production arising ...
Meeting Document : WG-EMM-12/P04 : Author(s): A.J. Constable
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Simulation experiments and CCAMLR yield estimates using CASAL
, 2004) and investigate model performance from alternative types of observations. In general, most models ... additional data (i.e., more observation types) assisted in providing better estimates. Further research on ... “true” states with data that includes bias and variance in observations, as well as the robustness of ... the estimation model to alternative operating model assumptions. In addition, the expected uncertainty ...
Meeting Document : WG-FSA-SAM-05/9 : Author(s): A. Dunn (New Zealand)
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Changes to the Statistical Bulletin
) a revision of the boundaries in Division 58.4.3 and adjacent areas (agreed at CCAMLR-XX). The ... necessitated some re-interpretation of existing STATLANT data. In most cases, change (1) was easily implemented ... occurred. However, in a small number of historic datasets, the months are not defined and change (1) was ... problematic. Ancillary fine-scale data were used, where available, to define the months fished in the ...
Meeting Document : SC-CAMLR-XXII/BG/07 : Author(s): Secretariat
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The diet of the Antarctic fur seal Arctocephalus gazella at Harmony Point, South Shetland Islands: evidence of opportunistic foraging on penguins?
benthic-demersal preys were represented in the samples. Overall, the Antarctic Krill Euphausia superba and ... mass in both seasons, with Gymnoscopelus nicholsi being the main prey. Interestingly, penguins were ... represented in the 39.0% and 31.9% of the samples in 2001 and 2002 and, as reflected by the reconstructed diet ... , was the main prey by mass (74.0% and 76.1%). The occurrence of penguins in the diet of A. gazella at ...
Meeting Document : WG-EMM-02/11 : Author(s): R. Casaux, L. Bellizia and A. Baroni (Argentina)
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FISHING INDUSTRY POLLUTION OBSERVATIONS AND ASSOCIATED MARINE MAMMAL ENTANGLEMENT RECORDS AT SOUTH GEORGIA, SUMMER 1996/97
Mirounga leonina and 12 Antarctic fur seals Arctocephalus gazella) in anthropogenic debris were reported ... adult, six juvenile); seven (58%) were entangled with plastic packaging bands, three (25%) in trawl ... netting and two (17%) in synthetic rope. All entangling material probably originated from fishing vessels ... -26 December 1996. The photographs (originals in colour) illustrate the diversity of debris, most ...
Meeting Document : CCAMLR-XVI/BG/26 : Author(s): Delegation of the United Kingdom
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THE WHITE-CHINNED PETREL (PROCELLARIA AEQUINOCTIALIS) ON SOUTH GEORGIA: POPULATION SIZE, DISTRIBUTION AND GLOBAL SIGNIFICANCE
Abstract: More white-chinned petrels (Procellaria aequinoctialis) are accidentally killed in ... fisheries than probably any other seabird in the world, but the population impact of this mortality is ... poorly understood, partly because there have been no estimates of the species’ abundance in recent ... million pairs of white-chinned petrels laid on South Georgia in the survey seasons (2005/06 and 06/07 ...
Meeting Document : WG-EMM-PSW-08/05 : Author(s): A.R. Martin, S. Poncet, C. Barbraud, P. Fretwell and E. Foster (United Kingdom)
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CCAMLR TAGGING PROGRAM
Abstract: In 2008 WG-FSA recommended that the Secretariat undertake to identify the tagging event ... tagging details of a greater proportion of tags than reported last year which has resulted in an improved ... proportion of the tags that can now be linked to tagging events in exploratory fisheries (Table 1). The ... recapture linkage rate for rajids has been lower than for toothfish in Subareas 88.1 and 88.2. The linking ...
Meeting Document : WG-SAM-09/04 : Author(s): Secretariat
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AND DOMESTIC SUBANTARCTIC FISHERIES BY THE AUSTRALIAN ANTARCTIC DIVISION AND THE AUSTRALIAN FISHERIES MANAGEMENT AUTHORITY
targeting finfish in the CCAMLR area. As the assessments and conservation measures employed by CCAMLR ... increase in sophistication, the tasks required to be completed by observers are increasing in number and ... complexity. Such a set of qualities is rarely available ‘off the shelf’. To ensure that observers in these ... quality assurance has been developed. This system covers all aspects of the observers’ experience in the ...
Meeting Document : TASO-08/05 : Author(s): O’Regan, K., Welsford, D., Robertson, T., Lamb, T.
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Review of the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
in 2009 (CCAMLR-XXVIII paragraph 7.1; CM 91-03) with the objective of contributing towards the ... conservation of biodiversity in Subarea 48.2, and to the development of a representative system of protected ... , based on advice from the Scientific Committee, at its regular meeting in 2014 and at subsequent five ... -year periods (CM 91-03, paragraph 9). Based on assessments described in the draft MPA Report and draft ...
Meeting Document : WG-EMM-14/26 : Author(s): Delegation of the European Union