Search results
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Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment
method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... of penguins unencumbered by transmitters within the brood period. This study was conducted from ... may be no difference between trip durations obtained by applying the transmitters to one or both ... accepted as a standard method with which to monitor foraging trip duration in penguins by the CCAMLR ... in foraging patterns of penguins unencumbered by transmitters within the brood period. This study ... cm2 front section area), there may be no difference between trip durations obtained by applying the ... in penguins by the CCAMLR (Commission for the Conservation of Antarctic Marine Living Resources ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Author(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
. Samples were collected during research surveys by benthic trawl carried out off Joinville–D’Urville ... selected for the study, consisting of 120 females and 98 males. The age of fish was estimated by counting ... annuli on transverse sections obtained by grinding and polishing whole otoliths embedded in epoxy resin ... research surveys by benthic trawl carried out off Joinville–D’Urville Islands (Antarctic Peninsula) in ... 120 females and 98 males. The age of fish was estimated by counting annuli on transverse sections ... obtained by grinding and polishing whole otoliths embedded in epoxy resin in moulds. The precision of age ... Ocean were exploited commercially by trawling at irregular intervals from 1978/79 to 1988/89, before ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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Integrated weight longlines with paired streamer lines – best management practice for demersal longline fisheries: preliminary results
Abstract: Minimizing the time gear is available to seabirds by increasing the sink rate of ... demonstrated that IW longlines reduce risk to seabirds by minimizing the distance astern that birds have access ... the sink rate varies dramatically by vessel. Through independent tests, we determined that IW breaking ...
Meeting Document : WG-FSA-06/52 : Author(s): K. Dietrich, E. Melvin and L. Conquest (USA)
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TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS
was composed by blue phase fingerlings of 7-7.6 cm (TL) and age group 0 year and demersal young brown ... constitute the rings, are illustrated/supported by photographs. A von Bertalanffy growth curve was computed ... by combining age/length data of the juvenile phase of N. rossii from this and a previous study at ...
Meeting Document : WG-FSA-09/32 : Author(s): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)
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Water mass distribution and circulation west of the Antarctic peninsula and including Bransfield Strait
patterns. Circumpolar Deep Water (CDW), which is characterized by temperatures above 1.0°C, salinities of ... by 25 to 45%, which suggests an average annual entrainment rate for the west Antarctic Peninsula of ... order of 0.63 m y-1, which can be supplied by local precipitation and advection of ice into the region ...
Meeting Document : WG-EMM-95/67 : Author(s): Smith, D.A., Lascara, C.M., Klinck, J.M., Hofmann, E.E.
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Further calculations of the effects of krill fishing on predators
Abstract: Earlier initial modelling attempts by the authors are extended to consider the ... achieved by making the survival rates depend instead on krill "availability", where there is a ... provided by WG-CEMP members for the blackbrowed albatross and Antarctic fur seal. Attempts are made to ...
Meeting Document : WG-Krill-94/24 : Author(s): D.S. Butterworth and R.B. Thomson (South Africa)
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
recovered fell by 80% and the number of items recovered by 83% over the three year survey period. At the ... same beach over the three years the numbers of polypropylene packaging bands fell by 93%. The results ...
Meeting Document : CCAMLR-XII/BG/07 : Author(s): Delegation of United Kingdom
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Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding
variations introduced by good and bad years (as classified on the basis of breeding success). There is ... major population changes (large decreases followed by substantial increases) occurred. Three of these ... immigration. Gentoo penguin population dynamics are disproportionately effected by the consequences of ...
Meeting Document : WG-CEMP-93/08 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)
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System of Inspection
comprehensive inspections of vessels by Contracting Parties. The System of Inspection provides for: procedures ... reports Members are required to report on the outcomes of all inspections undertaken by Designated ... by Catch Documentation Scheme (CDS) documentation and verify that the catch is consistent with the ...
Page : Site Section: Compliance
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Apparent decrease of Weddell seal numbers in the western Ross Sea
Antarctic toothfish (Dissostichus mawsoni), a major prey, by a fishery operating full scale by 2003 ... from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ...
Meeting Document : WG-EMM-14/44 : Author(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)