Search results
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
are composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ... the past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been ... to the south; and the Southern Ocean, Pacific Sector, to the north. Its waters are composed of two related ... of the geology, physics and biology of the Ross Sea over the past 45 years. In particular the activities ...
Meeting Document : WG-EMM-02/60 : Author(s): D. Ainley (USA)
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COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
years. This reduced the global population to 26 000 pairs, when including Namibian breeders, and led ... to classification of the species as Endangered. In South Africa, penguins breed in two regions, the Western Capeand ... 000 pairs in 2001 to some 21 000 pairs in 2009, a loss of 35 000 pairs (>60%) in eight years ... of the species as Endangered. In South Africa, penguins breed in two regions, the Western Capeand Algoa Bay ...
Meeting Document : WG-EMM-11/P8 : Author(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington
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Establishing time-limited Special Areas for Scientific Study in newly exposed marine areas following ice shelf retreat or collapse in Subarea 48.1, Subarea 48.5 and Subarea 88.3 – Clarifications and options to further develop the 2015 proposal
for Scientific Study in such areas, with a designated 10-year study period during which time there would ... raised by the Scientific Committee and the Commission. In this paper, we present some clarifications ... , taking into account the points raised by the Scientific Committee and the Commission during ... in such areas, with a designated 10-year study period during which time there would be a moratorium on all ...
Meeting Document : WG-EMM-16/27 : Author(s): S. Grant and P. Trathan
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Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions
, location, depth or year of capture. We found statistically significant but small relationships between δ 15 ... N and fish length, region, and year: (1) on average, larger toothfish fed on prey of higher trophic level ... the Amundsen Sea had not mixed with fish from the Ross Sea region for the 6 months – 2 years before capture ... populations in the two regions. In the north and slope areas of the Ross Sea, “prey polygons” were used ...
Meeting Document : WG-EMM-14/50 : Author(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)
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Observations relating to IUU fishing in CCAMLR Area 58 and in the French EEZs around the Kerguelen and Crozet Islands for the 2013/2014 season and Summary of these observations over the decade 2004–2014
and these efforts should be continued. Indeed, with the exception of one year, vessels on CCAMLR’s IUU list ... in operation throughout the year, no observations of IUU fishing activity were noted or reported, although ... have been observed every year over the last ten years. The most recent interception, in 2013 ...
Meeting Document : CCAMLR-XXXIII/19 : Author(s): Délégation française
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First Annual Report of the CCAMLR Otolith Network, 2002
in age estimations between all three readers, with no evidence of biases >2 years that would indicate ... of the CCAMLR Otolith Network (CON), following the Workshop on Estimating Age in Patagonian Toothfish held ... Ageing Facility, Victoria Australia; and CQFE, each provided a sample of otoliths, processing and reading ... one randomly chosen otolith from each pair. Half of the remaining otoliths were sent to each ...
Meeting Document : WG-FSA-02/51
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
Abstract: The current season (2014/15) is the final one of the first three-season research which ... The current season (2014/15) is the final one of the first three-season research which began ... ) for Dissostichus mawsoni in block 48.6_2. However, the estimates using the Petersen estimator were two-three times ... 48.6_2. However, the estimates using the Petersen estimator were two-three times larger than those using ...
Meeting Document : WG-FSA-15/16 Rev. 1 : Author(s): Delegation of Japan
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Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?
antarctica) due to fishing of one of its predators, Antarctic toothfish (Dissostichus mawsoni), could have ... to fishing of one of its predators, Antarctic toothfish (Dissostichus mawsoni), could have contributed ... Bay (1.4–6.0%W). These Antarctic toothfish were sampled over four years, between 2011/12 and 2014/15 ... Nova Bay (1.4–6.0%W). These Antarctic toothfish were sampled over four years, between 2011/12 ...
Meeting Document : WG-FSA-15/41 : Author(s): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)
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An integrated assessment model for Antarctic krill: progress update
, and by whether a narrow or wide version of the age-length transition matrix was used. The biomass data calculated ... selectivity parameters for the effects of differential availability to the surveys of different ages ... based on the relative availabilities of individuals of different ages to the surveys, and the total ... or wide version of the age-length transition matrix was used. The biomass data calculated for most ...
Meeting Document : WG-EMM-12/27 : Author(s): D. Kinzey, G. Watters and C. Reiss (USA)
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
minke whale, resulting in a decreasing trend in the age at sexual maturity of this species between ... approximately 1940 and 1970. A low age at sexual maturity favored an increase in the recruitment rate and total ... and stomach content weight since the 1980’s. This observation is consistent with the stable trend of age ... the Antarctic minke whale, resulting in a decreasing trend in the age at sexual maturity of this species between ...
Meeting Document : WG-EMM-16/64 : Author(s): Y. Fujise and L.A. Pastene