Search results
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Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals
behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ... Abstract: Three species of seals around Antarctica have shown quasi-cyclic patterns in some ... aspect of their biology: the age structure of crabeater seals (Lobodon carcinophagus) around the ... (Hydrurga leptonyx) have appeared in unusually large numbers at Macquarie Island, also at 4- to 5-yr ...
Meeting Document : WG-CEMP-91/13 : Author(s): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a
during WG-FSA 2014 using the Petersen estimator at 386 tonnes. In the absence of an assessment using the ... the estimate of biomass for this division in 2015. Given this analysis estimated biomass at 419 tonnes ... to progress on the robustness of the CASAL assessment. The biomass in division 58.4.3a was estimated ... CCAMLR decision rules, the re-estimation of the geometric mean of Petersen biomass estimates is used as ...
Meeting Document : WG-SAM-15/11 : Author(s): Delegation of France
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
estimate for 2004 was 2,680 t. Initial tests of length at age assumptions indicated that using a specified ... of growth beyond this age at 58.5.2. Preliminary examinations of the effect of refinements to the ... Abstract: A preliminary assessment of yield of Patagonian Toothfish, Dissostichus eleginoides ... result of a randomly stratified trawl survey completed between 16 April and 10 May 2003. The 2003 ...
Meeting Document : WG-FSA-03/33 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
procedure recommended at the last WG-FSA meeting. The results of calculations were generally consistent with ... blocks where the Petersen estimator was applicable. Predicted numbers of tag recaptures from the ... Dissostichus spp. in other blocks. As we proposed at the last WG-SAM meeting, since we have yet to obtain ... limit, we propose to continue the current research operation for at least 3 years with the same sample ...
Meeting Document : WG-FSA-14/17 : Author(s): Delegation of Japan
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
Abstract: During the fifteenth year of standardised beach surveys of man-made debris at Bird ... consecutive year, nylon line has been absent from the shores of Bird Island, having once been at a peak of 546 ... since 1990 when the survey began, the amount of miscellaneous debris is much higher though not at the ... Island, South Georgia, a total of 251 items were collected. This represents an encouraging reduction of ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Author(s): Delegation of the United Kingdom
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Beach debris survey, Signy Island, South Orkney Islands, 2006/07
, both at 10%. The results of this season's debris survey clearly show that the longevity of ... , regulations prohibiting the disposal of debris at sea is paramount. Author(s): Delegation of the United ... carried out at Signy Island, South Orkney Islands. Debris was cleared each month between December and ... , mass and size categories. A total of 50 items weighing 7.6 kg were collected. The number of items found ...
Meeting Document : SC-CAMLR-XXVI/BG/19 : Author(s): Delegation of the United Kingdom
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Beach debris survey, Signy Island, South Orkney Islands 2000/2001
marine debris washed ashore. However, with the exception of 1998/99, the quantity of waste recorded at ... prohibiting the disposal of debris at sea. Author(s): Delegation of the United Kingdom Title: Beach debris ... out at Signy Island, South Orkney Islands. Debris was cleared each month between November and March ... size categories. A total of 16 items weighing 0.74kg was collected. The number of items and the total ...
Meeting Document : SC-CAMLR-XX/BG/05 : Author(s): Delegation of the United Kingdom
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
(international and national) aboard all vessels. At the time of writing this paper, one cruise in subarea 58.5.2 ... Abstract: Introduction 1. This paper contains a summary of all Scientific Observer data collected ... on board longline, trawl and pot vessels in 2009/10. Longline Observations 2. A total of 31 longline ... was still at sea. Nine cruises were undertaken in Subarea 48.3 by 9 vessels, two cruises were ...
Meeting Document : WG-FSA-10/05 : Author(s): Secretariat
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Conveners’ Report of the Joint CEP/SC-CAMLR Workshop on Climate Change and Monitoring
Polly Penhale), and is provided in full below. The report was discussed at the Committee for ... ), and at WG-EMM-16 in Bologna, Italy (WG-EMM-16 Report, paragraphs 6.8 to 6.28). The CEP agreed that the ... two committees on climate change, environmental monitoring, and other matters of mutual interest. It ... welcomed the report of the joint workshop, and endorsed the recommendations arising. Further information on ...
Meeting Document : SC-CAMLR-XXXV/07 : Author(s): Delegations of the United Kingdom and the USA
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Beach debris survey, Signy Island, South Orkney Islands, 2005/06
seasons, making up 55.42% of all items recorded, followed by metal at 28.74%. The results of this season ... ensure that vessels are aware of, and comply with, regulations prohibiting the disposal of debris at sea ... out at Signy Island, South Orkney Islands. Debris was cleared each month between December and March ... and size categories. A total of 27 items weighing 24.36kg were collected. The number of items found ...
Meeting Document : SC-CAMLR-XXV/BG/14 : Author(s): Delegation of the United Kingdom