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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
the krill resource and is based on a detailed model of penguin foraging patterns combined with catch ... positions. This analysis shows that the overlap between the fishery and chinstrap penguins is much greater ... than for other penguins, and that this overlap has been decreasing since 1988. File: 07agnew ... penguin foraging patterns combined with catclh positions. This analysis shows that the overlap between ... Sea and on the Mawson coast have shown that Addie penguins Penguin Foraging Overlap with Krill ... . Foraging distances were chosen so that maxima (mean + 2 SDs) were generally in line with maxima recorded ... pairs in colony t of colonies (only one bird from a pair is assumed to be foraging at any one time ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Autor(es): Agnew, D.J. and G. Phegan
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PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3
composition on Spanish system longlines with those on ‘trotlines’ fitted with cetacean exclusion devices ... cetaceans were present. This difference increased with increasing abundance of cetaceans highlighting the ... trotlines fitted with cachalotera nets were dead or suffered life-threatening injuries. Toothfish were also ... in much poorer condition to the extent that they were unsuitable for tagging and releasing. 5 ...
Meeting Document : WG-FSA-08/44 : Autor(es): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz
be explained by possible experimental error, and which was therefore attributed to real differences ... in average target strength at these two frequencies. The results are in good agreement with recent ... experimental work on the target strength of encaged E. Superba at 38 and 120 kHz but are in major conflict with ...
Meeting Document : WG-KRILL-90/28 : Autor(es): I. Hampton (South Africa)
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... assumption that there has been no persistent change in krill density should be tempered with the caution ... be verified, as another assumption of the krill yield model is that the statistical distribution of ... with a mesh size of 4 mm, although comparisons with RMTl catches (330 pm mesh size) indicate that ... eddies and meanders. It may be that the mean retention time for krill is much longer in this area ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Autor(es): Siegel, V., W. de la Mare and V. Loeb
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Inclusion of fisheries notifications in the Database of Upcoming Expeditions to the Southern Ocean
deployment of observational platforms or collection of data from regions that may not be routinely visited by ... community that supports the planning of collaborative field programs by providing basic information on ...
Meeting Document : CCAMLR-38/BG/26 : Autor(es): Submitted by SCOR
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RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
shallow points of < 500 m in SSRU A in order to avoid catching small fishes. A Trot line system will be ... status and biological characteristics of Dissostichus spp. with the information collected by the Trot ... one fishing line, will be used in order to standardize the CPUE of Trot line more accurately in this ... . Concentrated tagging, 3 fish/ton, will be made to apply the mark-and-recapture studies. Author(s): Delegation ...
Meeting Document : WG-SAM-09/11 : Autor(es): Delegation of Japan
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The effects of monitoring procedures on Adélie penguins
contr6le de l'ecosyst&rne de la CCAMLR. B TeYeHHe TpeX Ce3OHOB Ha 0-Be 6eIllep~e3, Ma~poGep~co~a , A H T ... been two fatalities during the flushing process, which proved on post-mortem to be d u e t o ... /92. This contrasts with the results of Ainley et al. (1983) who found that the survival rate of ... birds with new bands was 28% lower than that of birds with bands older than one year. However, the ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Autor(es): Clarke, J. and K. Kerry
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Assessment of Patagonian toothfish (D. eleginoides) in Subarea 48.4
Patagonian toothfish (D. eleginoides) in Subarea 48.4. Author(s): T. Earl Title: Assessment of Patagonian ...
Meeting Document : WG-FSA-17/52 : Autor(es): T. Earl
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
, foraging ranges and population sizes from the literature are used to show that for some years catches ... within 100 km of predator colonies between December and March may be up to 45% of the land-based predator ... is likely to emerge in areas of high overlap between predators and the fishery earlier than would be ... Statistical Bulletin were the first clear suggestions that the fishery might be regularly located in quite ... by first taking the initial estimate of the catch to be equal to the lower catch bound for that ... same sorts of ratios of catch to be withstood by the prey stock as in other ecosystems, and that ... sustainable exploitation rate, with the implication that these levels will not impact adversely on predator ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Autor(es): Agnew, D.J.
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The use of Port State measures to improve fisheries compliance at the international levelIssues and instruments – the CCAMLR case
(MOUs), which would be based on minimum standards. The more ambitious goal to promote legally binding ... harmonized mandatory port State regimes setting down clear and detailed rules that enable port authorities ... . Port State-related measures need to be expanded and strengthened in order to increase pressure on IUU ...
Meeting Document : CCAMLR-XXV/BG/29 : Autor(es): Submitted by ASOC