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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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): Delegation of the United Kingdom
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
the Southern Ocean, and a key species in the Antarctic food web. The Discovery Investigations in the ... actively at abyssal depths in the Southern Ocean. Biological observations from the deepwater remotely ... operated vehicle Isis in the austral summer of 2006/07 have revealed the presence of adult krill (Euphausia ... superba Dana), including gravid females, at unprecedented depths in Marguerite Bay, western Antarctic ...
Meeting Document : WG-EMM-08/P01 : Автор(ы): A. Clarke and P.A. Tyler
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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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): O’Regan, K., Welsford, D., Robertson, T., Lamb, T.
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Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)
beam monostatic system in a 10 m3 laboratory tank. Krill (grouped according to length classes) swam ... freely in the tank triggering the data acquisition system when generating a back scattered signal larger ... single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used to ...
Meeting Document : WG-EMM-97/75 : Автор(ы): Pauly, T., Penrose, J.D.
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An attempt to derive a composite index of abundance from acoustic surveys and fishery data
distribution of fishing effort in the Chilean krill fishery indicate an area of high krill density wrapping ... around the northwestern end of Elephant Island during the austral summer of 1992. In this area, the ... . In addition, the data suggest that the abundance of krill in the Elephant Island area can change ... rapidly, and when krill do come into to the area they are most often found in water 100m-500m depth along ...
Meeting Document : WG-Krill-94/14 : Автор(ы): R.P. Hewitt (USA), V. Marín (Chile) and D. Demer (USA)
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Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
. Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ... Island alone would decrease uncertainty in total population by 24.8%, whereas high quality surveys of all ...
Meeting Document : WG-EMM-12/P02 : Автор(ы): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
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