Search results
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A history of the exploitation of the Ross Sea, Antarctica
be the least affected stretch of ocean on Earth, although historical effects were not included in the ... by New Zealand to feed sled dogs in the 1950-80s caused the McMurdo Sound population to permanently ... population has since recovered. Some minke whales are now taken in “scientific whaling”, twice more from the ... occurred in slope waters, and therefore their demise from whaling does not apply to the Ross Sea. No ...
Meeting Document : WG-EMM-09/P03 : Author(s): D.G. Ainley
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At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
, during breeding period in 2006 and 2008. At-sea foraging distribution of white-chinned petrels was mainly ... confined in Antarctic waters. Commercial longline fisheries targeting toothfish were operating in both ... co-occurrence (19% of birds in the vicinity of vessels). This result was confirmed by the relatively ... low occurrence of fishery-related items (4 to 22%) in chick food samples. However given the large size ...
Meeting Document : WG-FSA-10/P01 : Author(s): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch
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Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
demersal fish living on the South Georgia shelf where it is caught in low numbers as by-catch in the ... that growth was fast in the first five years with males and females attaining lengths at first spawning ... in diet from Euphausia superba and mysids to benthic fish and decapods observed to begin at 250 mm TL ... . In larger fish (> 500 mm TL) the diet was dominated by fish. C. aceratus diet is sufficiently ...
Meeting Document : WG-FSA-07/P5 : Author(s): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))
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Histopathology of Antarctic krill (Euphausia superba) bearing black spots
Abstract: In Antarctic krill, Euphausia superba, sampled by a Japanese scientific observer ... onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... strains were also confirmed by in situ hybridization for 16S rRNA. The melanized nodules were almost ... secondary. The development of the tumor-like cell mass in the gonad may be the primary condition, although ...
Meeting Document : WG-EMM-07/29 : Author(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)
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Modelling growth of Antarctic krill: growth trends with sex, length, season, and region
seasonal trend for each region. Smaller krill exhibited higher growth rates and a progressive decrease in ... growth was December in Indian sector, whereas in the Scotia Sea sector it appeared to be a few months ... earlier than this. Significantly lower growth rates were exhibited by females in January and February ... relative to males. Seasonal specific growth rates estimated in this study were compared to previous studies ...
Meeting Document : WG-EMM-05/29 : Author(s): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)
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Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation
, the authors noted that the differences were not entirely due to noise. In this study, the accuracy of ... the DWBA model is further explored. Results indicate that phase variability in the scatter from ... elements of a discretized bent cylinder (krill model) causes a dramatic flattening in the side-lobe regions ... krill TS measurements in McGehee et al. (1998). Thus, by accounting for phase-variability in the ...
Meeting Document : WG-EMM-02/50 : Author(s): D.A. Demer and S.G. Conti (USA)
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A proposal to report marine casualties to CCAMLR
flag vessels operating in the Convention Area) to require an investigation in the event of a very ... serious marine casualty¹ involving a fishing vessel². Such investigation will result in the preparation of ... Convention on the Law of the Sea with respect to fishing vessels operating under CCAMLR’s jurisdiction in the ... ” would mean accidents or events caused by or involving a vessel that result in total loss of the ship ...
Meeting Document : CCAMLR-XXX/24 : Author(s): Delegations of the USA and New Zealand
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ... the longevity of plastics and other materials with a high resistance to degradation in the marine ...
Meeting Document : WG-FSA-08/26 : Author(s): M.J. Dunn and C.M. Waluda (UK)
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update
that influence the distribution of Antarctic krill in CCAMLR Area 48, focussing in particular on the ... investigate the impact of physical and behavioural processes on the distribution of krill in this area, at ... simulated transport to the South Orkneys region demonstrates spatial and temporal variability in input and ... being investigated, which will include examination of the role of tides in determining on-shelf ...
Meeting Document : WG-EMM-18/06 : Author(s): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner
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Analysis of trawl data from the South Georgia krill fishery
Abstract: Data from individual trawls carried out by vessels operating in the krill fishery at ... focussed, operating in a limited area along the shelf edge on the northern coast of the island. Each day a ... large number of trawls were undertaken by each,vessel, with trawls being shorter in duration during the ... the variability are discussed in relation to the biology of krill, others are discussed in relation to ...
Meeting Document : WG-EMM-97/41 : Author(s): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.