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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Net sample validation of acoustic techniques used to identify and size Antarctic krill

    identified and distinguished from all other types of backscatter. Traditionally this has been achieved by ... sampling characteristic types of acoustic target with nets. More recently partitioning of backscatter into ... the functionality of acoustic target identification techniques. Mean volume backscattering strength ... collected with an RMT8. Around 80 % of the targets thought to be krill on the basis of their appearance on ...

    Meeting Document : WG-EMM-97/46 : Autor(es): Watkins, J.L., Brierley, A.S.

  2. Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications

    1986 have shown slow recovery. The population of the endangered Amsterdam albatross Diomedea ... study of the Crozet population indicates that the earlier decline was mainly the result of increased ... adult mortality, and secondarily of low recruitment. Satellite tracking studies of breeding birds and ... band recoveries of non breeding birds indicate that during and outside the breeding season these ...

    Meeting Document : WG-FSA-96/09 : Autor(es): Jouventin, P., Brothers, N., Weimerskirch, H.

  3. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

    survival and recruitment rates, to model the fluctuations in breeding populations, taking account of ... 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 ... years were associated with reduced availability of krill, one with very cold winter and spring ...

    Meeting Document : WG-CEMP-93/08 : Autor(es): J.P. Croxall and P. Rothery (United Kingdom)

  4. Status of living resources

    3.1.1 Status of Antarctic marine living resources under the purview of CCAMLR Recommendation ... that are depleted relative to the requirements of Article II. This should include recovery targets and ... the impact of multi-year research catch limits on overfished toothfish populations (392.92 KB); (2012 ... process – list of depleted species (Task 2) under way (SC-CAMLR-XXIX, Annex 8, paragraph 5.186) 3.1.1.2 ...

    Page : Site Section: The Organisation

  5. Apparent decrease of Weddell seal numbers in the western Ross Sea

    Edisto-Moubray as well. The timing of decline, or perhaps spreading (low numbers of seals in more places ... . We analyzed both historic and satellite-derived ice data but found only an expansion of pack ice in ... the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ... ). Timing of freeze and breakup of the fast ice remains the same. The only other major change to the Ross ...

    Meeting Document : WG-EMM-14/44 : Autor(es): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

  6. On the use of baited remote underwater video to study Antarctic toothfish distribution under the sea-ice: from data collection to processing

    preliminary. The aim of the paper is to disseminate to the Members the methodology that we have used. Once ... spreadtime series of data to study the Antarctic toothfish, it is limited to areas where commercial fishing ... is permitted either by management or vessel operational constraints. The use of Baited Remote ... and Italy, from 2015 to 2018 a series of BRUV samplings have been carried out from the fast ice of ...

    Meeting Document : WG-EMM-2019/50 : Autor(es): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi

  7. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988

    hypothesized environmental factors; strength of westerly winds (westerlies) determined from sea-level pressure ... series of DPOI using historical data. We searched the historical data and found the time series since the ... 1950s until 1988 at the Web sites of the Carbon Dioxide Information Analysis Centre for Rio Gallegos and ... of DPOI from 1952 to 1988 at this stage. Time series since 1988 will be soon calculated after ...

    Meeting Document : WG-EMM-02/44 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)

  8. IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)

    Abstract:  Knowledge of the scattering properties of Antarctic krill (Euphausia superba) is ... crucial for biomass estimates of the species, but in situ investigations regarding this are still very ... scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... on orientation angles and target strength of Antarctic krill. The main investigations were done off ...

    Meeting Document : WG-EMM-08/29 : Autor(es): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)

  9. PROPOSAL FOR REVISING CONSERVATION MEASURE 21-03 (2007) NOTIFICATION OF INTENT TO PARTICIPATE IN A FISHERY FOR EUPHAUSIA SUPERBA

    Abstract:  The amount of notified catch of krill fisheries is increasing above the trigger level ... revision of Conservation Measure 21-03 (2007) Notification of intent to participate in a fishery for ... Euphausia superb. Author(s):  Delegation of Japan Title:  PROPOSAL FOR REVISING CONSERVATION MEASURE 21-03 ... (2007) NOTIFICATION OF INTENT TO PARTICIPATE IN A FISHERY FOR EUPHAUSIA SUPERBA Approval:  Approved ...

    Meeting Document : SCIC-08/04 : Autor(es): Delegation of Japan

  10. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

    Abstract:  This research examines the energy budget of breeding female Antarctic fur seals, both ... when food was plentiful and when it was scarce. The energy expenditure and change in body mass of ... . Krill, the nearly exclusive prey of breeding females, were very scarce in 1984 at South Georgia. Fur ... parturition in 1984, and both pup mortality and the proportion of pups that died from starvation were double ...

    Meeting Document : SC-CAMLR-VIII/BG/13 : Autor(es): Delegation of United Kingdom

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

 

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