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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Disentangling the influence of three major threats on the demography of an albatross community

    seabirds, globally. Understanding the relative influence and compounding nature of marine and terrestrial ... threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... ) at subantarctic Macquarie Island, we quantified the temporal variability in survival, breeding ... probability and success. In three species (excluding the wandering albatross because of the small population ...

    Meeting Document : WG-FSA-2019/34 : Autor(es): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

  2. By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)

    by F/V Niitaka Maru (5306t) were made from August 6 to September 9, 2004 to the north of South ... of by-catch fishes were occurred in 76 trawl catches. The family Myctophidae, the most abundant taxa ... during the present survey, were found in 61% of hauls examined. Although only one species, Lepidonotothen ... larseni, was captured as by-catch of the Nototheniidae, the Nototheniidae were the next in abundance and ...

    Meeting Document : WG-EMM-05/19 : Autor(es): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)

  3. Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)

    toothfish Dissostichus mawsoni from mid-December to early April during the 2000-01 to 2004-05 fishing ... seasons aboard the autoliner San Aotea II have been analysed. Results of this study indicate measurable ... differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ... sampled on the more isolated seamounts and features to the north. These are length modal distribution, sex ...

    Meeting Document : WG-FSA-05/52 : Autor(es): J.M. Fenaughty (New Zealand)

  4. The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period

    Abstract:  The diet of non breeding male Antarctic fur seals, Arctocephalus gazella, was ... , krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... ), followed by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona ... antarctica and Gymnoscopelus nicholsi the most abundant and frequent prey species. All fish taxa identified ...

    Meeting Document : WG-EMM-04/4 : Autor(es): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)

  5. An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account

    Abstract:  The CPUE-based Age-Structured Production Model (ASPM) assessment of this resource by ... available over the past year. This leads to an improved picture of resource status compared to a year ... are at variance with the observed length frequency distributions for the fishery. It is important that ... the assessment model be refined to provide a consistent explanation of all the available data, as this ...

    Meeting Document : WG-FSA-02/76 : Autor(es): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)

  6. Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set

    Abstract:  The US AMLR Program conducted large area surveys in the Elephant Island-South Shetland ... field seasons to assess interannual variations. Mean and median krill abundance values in the Elephant ... Island area during the 2000/2001 field season were intermediate to highs in 1996 and lows in 1999 ... . Increased abundance relative to 1999 resulted in part from recruitment of the 1998/99 and 1999/2000 year ...

    Meeting Document : WG-EMM-01/45 : Autor(es): V. Loeb (USA)

  7. A multiple-frequency method for identifying and assessing the Antarctic krill stock in the Ross Sea (1989/90, 1997/98 and 1999/2000)

    Abstract:  The paper describes the criteria, based on the multiple frequency analysis, used in the ... Italian expeditions to the Ross Sea to discriminate Euphausia superba (krill) aggregations from Euphausia ... crystallorophias ones and from other scatters. They are based on the experimental data acquired in the expeditions ... applied to estimate krill biomass in the area of Ross Sea (22000 nm2), investigated from 19 to 26 December ...

    Meeting Document : WG-EMM-00/37 : Autor(es): M. Azzali, J. Kalinowski and G. Lanciani (Italy)

  8. Interannual variation to the gonad cycle of the mackerel icefish

    brief period during the autumn and winter. Arising from this it has been assumed that the gonadal ... maturation cycle is also closely tracked to the time of year. The gonad maturation cycle of the mackerel ... sampling the commercial fishery. Spawning appears to occur at the same time each year, but the timing of ... gonadal development is subject to a considerable inter-annual variation. The implications of this ...

    Meeting Document : WG-EMM-00/45 : Autor(es): I. Everson (United Kingdom), K.-H. Kock (Germany) and J. Ellison (United Kingdom)

  9. Interannual variation in the autumn diet of the gentoo penguin Pygoscelis papua at Laurie Island, Antarctica

    Abstract:  The diet of the gentoo penguin Pygoscelis papua was investigated during three different ... migrant adults were sampled during 1993, 1995 and 1996. Fish were the most important prey by mass in 1995 ... largely the most important prey among the eleven crustacean taxa identified in the samples. Among fish ... , species of the family Nototheniidae predominated in the diet with G. gibberifrons as the most important ...

    Meeting Document : WG-EMM-99/19 : Autor(es): N. Coria, M. Libertelli, R. Casaux and C. Darrieu (Argentina)

  10. Avoidance of incidental mortality of seabirds and the implementation of Conservation Measure 169/XVII in Statistical Subarea 88.1 in the 1998/99 season

    Abstract:  New Zealand conducted Longline weighting trials during the 1998/99 fishery for ... provisions in Conservation Measure 169/XVII. The provisions included strictly applied line-weighting regimes ... and rigorous monitoring of line sink rates. In the trials, two autoline vessels set weighted longlines ... were used to record the actual sink rate achieved on 30% of all sets. For all sets combined the average ...

    Meeting Document : WG-FSA-99/35 : Autor(es): J. Molloy and N. Smith (New Zealand)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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