Search results
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Recent trends in numbers of Crozet shags breeding at the Prince Edward Islands
between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were breeding ... between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were breeding ...
Meeting Document : WG-EMM-10/P02 : Author(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold
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Scotia Sea Pygoscelid Penguin Tracking and Habitat Analysis Workshop
considered that such models would be of critical value in the development of feedback management approaches ... Abstract: During WG-EMM-14, it was noted that characterisation of overlap between land-breeding ... predators and the krill fishery was desirable throughout the Scotia Sea; it was recognised that such work ... could be advanced by either tracking animals originating from additional breeding colonies, or by using ...
Meeting Document : WG-EMM-15/09 : Author(s): P.N. Trathan (United Kingdom), J.T. Hinke (USA) and B. Lascelles (BirdLife International)
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Beach debris survey Signy Island, South Orkney Islands, 1998/99
from beaches at Signy may be partly to do with their longevity in the marine environment. The increase ... increased effort to ensure that vessels are aware of, and comply with, regulations prohibiting the disposal ... that 40% had come from ships or fishing vessels in the form of packaging bands, fishing net and foam ... packing material. The last accounted for 58% of items small enough to be ingested by seals and seabirds ...
Meeting Document : CCAMLR-XVIII/BG/7 : Author(s): Delegation of the United Kingdom
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Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region
. Simulations suggest that the current research plan with the current levels of catch and tagging rate is likely ... shown promising results to date, with 8 interseason tags recaptured in the South area in 2016 and 12 ... models showed that using two independent models lead to higher estimates of biomass in the North and ... lower estimates of biomass in the South, but that the two independent models fitted the data poorly ...
Meeting Document : WG-SAM-17/40 : Author(s): S. Mormede and S. Parker
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Krill fishery report: 2012 update
reported to May 2012 was 78468 t, mostly taken from Subarea 48.1 in December, April and May. Seven vessels ... were fishing, at the time of preparing this report, and 935 t of krill has been reported so far for ... June. The forecast total catch of krill for this season ranges approximately from 108000 to 151000 t ... . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ...
Meeting Document : WG-EMM-12/05 : Author(s): Secretariat
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Assignment of research catch limits for effort-limited research proposals in fisheries with pre-existing non-zero catch limits
Abstract: Research fishing conducted under CM 24-01 requires that research catch limits be ... -limited research proposals under CM 24-01 may be calculated in a transparent manner. Deviations between ... actual and expected research catches from fixed-effort surveys could be deducted from total catch limits ... in the following year, to ensure that survey objectives are not compromised while simultaneously ...
Meeting Document : SC-CAMLR-XXXIII/09 : Author(s): Delegation of New Zealand
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Key considerations for planning a large-scale krill survey
, is now unlikely. However, future large-scale surveys may be possible with the engagement of the ... fishing industry. We recommend that any such large scale surveys should be coordinated through CCAMLR’s ... resource issues that must be addressed. We suggest that CCAMLR’s working groups should establish a process ... for addressing these issues if these groups consider that large-scale surveys are likely to be ...
Meeting Document : WG-EMM-15/27 : Author(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)
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Ukrainian complex marine expeditions in the Southern Ocean
expeditions last conducted in 2001 were resumed aboard Ukrainian fishing vessel More Sodruzhestva which ... last conducted in 2001 were resumed aboard Ukrainian fishing vessel More Sodruzhestva which carries out ...
Meeting Document : WG-EMM-2019/62 : Author(s): E. Dykyi, V. Komorin and A. Fedchuk
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DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
for MCMC that could be investigated. And, in order to address the questions of the adequacy of the ... maturity state spatial movement model. SPM is an aggregate movement model suitable for use with large ... numbers of areas, and is implemented as a discrete time-step state-space model that represents a cohort ... product of a set of preference functions that are based on known attributes of spatial location. SPM was ...
Meeting Document : WG-SAM-08/14 : Author(s): A. Dunn and S. Rasmussen (New Zealand)
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
% of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... to be taken by pots (which avoid the cetacean predation associated with longlining). Specific issues ... Butterworth (2005) that permitted annual fluctuations about a deterministic stock-recruitment relationship is ... updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has ...
Meeting Document : WG-FSA-06/58 : Author(s): A. Brandão and D.S. Butterworth (South Africa)