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1. MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA

   conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years; in the ... empirically derived estimates of both the magnitude and timing of recruitment in each year showed the greatest ...

   Meeting Document : WG-EMM-08/48 : Автор(ы): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)

2. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   predominantly on krill. An index of condition which uses the ratio of the measured total mass to the estimated ... 1997 Abstract / Description:  Mackerel icefish (Champsocephalus gunnari) are widespread on the South ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ... account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we envisage two ... were used to derive an estimated mass for each fish ( and K,,). Two condition indices were calculated ... except the two months prior to spawning. Depending on locality, that will mean that except for the ... commercially since the early 1970s. They are known to feed predominantly on krill. An index of condition which ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Автор(ы): Everson, I. and K.-H. Kock

3. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   model incorporates the facility for releases by box over a number of years. The model performed as ... magnitude of the estimated bias to correct the tagging estimate made last year for 48.3, we do conclude that ... tag placements and recapture effort, on bias in the Petersen estimate. It does so by constructing a ... uneven distribution of animals was simulated by adjusting an average movement rate downwards when animals ...

   Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Автор(ы): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)

4. WG-FSA-08/60

   between 20 and 30 magazines of longline. Each magazine holds about 1000 to 1200 hooks – depending on hook ... must undertake the following research activities: 20 (i) On first entry into an SSRU, the ... an SSRU. (iv) On completion of 20 research hauls the vessel may continue to fish within the SSRU ... updates Fenaughty and Bennett (2005), Longlining Operations on New Zealand Autoline Vessels Fishing for ...

   Document : Site Section: Publications

5. Antarctic ecosystem management

   in accordance with the objectives and requirements of Article II of the Convention for the ... Abstract:  This document describes a framework within which an initial strategy could be developed ... for the management of the commercial exploitation of the marine living resources of the Southern ocean ... . More particularly, practical approaches are suggested for managing the exploitation of krill and fish ...

   Meeting Document : WG-DCH-84/03 : Автор(ы): D.S. Butterworth (South Africa)

6. A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea

   krill. The SMOM developed here is intended for use as an operating model in a formal MP framework ... compared on the basis of an agreed set of performance statistics which essentially compare the risks of ... dynamics is developed in response to requests for scientific advice regarding the subdivision of the ... precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ...

   Meeting Document : WG-EMM-06/12 : Автор(ы): É. Plagányi and D. Butterworth (South Africa)

7. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   effects of different weighting regimes on the incidental mortality of birds caught on longlines fishing ... for toothfish (Dissostichus spp.). Three regimes were examined, with weights of 4.25, 8.5 and 12.75 kg ... attached at 40 m intervals on a Spanish-rigged longline. There was a significant reduction in bird ... intervals should be used. Results suggested that seabird by-catch on lines using effective weighting regimes ... which has participated in the longline fishery around South Georgia for the past several years, and ... (cobbles) of an average weight of 4.25 kg. Two experiments were conducted: (i) a comparison of the use ... problem, but whether it would be for other vessels in other areas might depend on the seabed substratum ... between the two sets of double-weight lines. The total number of birds caught on double-weight lines was ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Автор(ы): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

8. Sea Ice Biota: Trophic modelling of the Ross Sea

   may be large enough (chains 10–30 m long) to serve as food for juvenile krill since ... & Thomas 2004). For example, in the eastern ice pack in spring, 80% of epontic algal biomass was on the ... value of P/B appropriate for an annual average calculation is not equal to the average of P/B values ... for epontic algae in the Ross Sea based on the following assumptions. (1) Where a maximum and ...

   Document : Site Section: Publications

9. Support to CAMLR to identify and deter illegal, unreported and unregulated (IUU) fishing activities that undermine the objective of the CCAMLR Convention – Interim Report

   July 2018. The funds granted by CCAMLR to INTERPOL total €50 000 for the 2018 calendar year. The source ... of the CCAMLR funding is an EU Grant. Author(s):  Submitted by INTERPOL Title:  Support to CAMLR to ... :  Content Approved Document Release Consent:  No Delegation responsibility for releasing documents:  CCAMLR ...

   Meeting Document : CCAMLR-XXXVII/BG/42 Rev. 1 : Автор(ы): Submitted by INTERPOL

10. Diet overlap among top predators at the South Orkney Islands, Antarctica

    analyzed diet information on nine bird and two seal species collected in the austral summer from 1996 to ... had high overlap of fish prey. Predators that could forage on demersal or water column prey had yearly ... variable diets. This variability may be explained by fluctuations in krill availability. In years when ... responsibility for releasing documents:  Argentina ...

    Meeting Document : WG-EMM-18/04 : Автор(ы): M.L. Bertolin and R. Casaux

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