Résultats de la recherche

1. Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records

   identifications made on vessels by scientific observers. A total of 344 fish (primarily in the families ... ; however, DNA results show several less common Notothenidae species were identified as L. larseni. All of ... DNA barcoding. Many of the specimens (n=136) were recorded to family-level by observers; genetic ... barcoding markers allowed these specimens to be assigned to species level. The diversity of fish identified ...

   Meeting Document : WG-EMM-18/30 : Auteur(s): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle

2. Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)

   structure of juvenile D. mawsoni caught during bottom trawl survey on the shelves around the South Shetland ... abundant between 100 and 300 m depth. The sampled population was composed of 150 specimens measuring ... between 22 and 78 cm TL, equally distributed between sexes, most of them with gonads at immature stage of ... factor. Based on counts of annual growth increments from sagittal otolith sections, age estimates ranged ...

   Meeting Document : WG-FSA-18/45 : Auteur(s): M. La Mesa, E. Riginella and C.D. Jones

3. Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models

   Abstract:  An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... 2019 was also as high as in 2016 but around the west of block 5 the SIC in 2019 was much lower than in ... and vice versa. The chart of the SIC as per HYCOM corresponds well to the SIC derived from data by the ... University of Bremen(AMSR2). Repeated Accessibility(RA) in research blocks 4 and 5 with statistical models ...

   Meeting Document : WG-SAM-2019/15 : Auteur(s): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert

4. IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10

   Abstract:  Table of Contents Topic Page Introduction 1 Fisheries in 2009/10 1 Fishery monitoring 3 ... -02 7 Preliminary assessments of impacts of bottom fishing CM 22-06 7 Krill fisheries notified under ... 2010. These CMs and resolutions were published in the Schedule of Conservation Measures in Force in ... 2009/10 (see CCAMLR-XXIX/BG/9 for summary). 2. The implementation of CMs dealing with fisheries, data ...

   Meeting Document : CCAMLR-XXIX/BG/10 : Auteur(s): Secretariat

5. GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH

   Abstract:  In April 2008 the UK undertook a bottom trawl survey of CCAMLR Sub-Area 48.3 on the FV ... sea-floor areas and adjusting this for the low headline height of the UK trawl (see CCAMLR WG-FSA ... (2003), the biomass of mackerel icefish was estimated to be 80,426 tonnes, with a lower 1-sided 95% CI ... of 30,050. Catch-weighted length frequencies indicated that icefish population was dominated by 2 ...

   Meeting Document : WG-FSA-08/28 : Auteur(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)

6. Statement of Conservation Measure 32/x

   Author(s):  Head of Delegation of the Republic of Korea Title:  Statement of Conservation Measure ...

   Meeting Document : CCAMLR-X/BG/26 : Auteur(s): Head of Delegation of the Republic of Korea

7. Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia

   Abstract:  The breeding biology of the gentoo penguin, Pygoscelis papua, was studied over a three ... -year period (1986-1988) at Bird Island, South Georgia, with particular reference to birds of known age ... later in 1987, when the breeding population decreased markedly. Factors involved in the timing of ... breeding are discussed. Within years egg-laying was highly synchronous: 95% of clutches were initiated in ...

   Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)

8. RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS

   Abstract:  Numbers of Crozet shags Phalacrocorax [atriceps] melanogenis breeding at Marion Island ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... influenced by food availability. Numbers of Crozet shags breeding at Prince Edward Island approximately ... doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ...

   Meeting Document : WG-EMM-10/P2 : Auteur(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold

9. Revision of the CCAMLR Scientific Observers Manual

   replacement of protocol for fish-larvae by-catch observation, review of priorities for scientific observation ... of krill fishery, and other minor revisions on the e-forms. This document also contains examples of ... comment. Author(s):  S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat) Title:  Revision of ...

   Meeting Document : WG-FSA-07/54 : Auteur(s): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat)

10. A conceptual model of Japanese krill fishery

    Abstract:  The behaviour patterns of Japanese krill fishery vessels in Area 48 were analysed using ... questionnaires on the reasons why the vessel changed their fishing grounds, which were sent out to of the ... , krill density, krill, size, ice condition, transshipment, and salp-by catch accounted for 95.6% of the ... factors such as greenness or ice condition could become important. A general picture of the seasonal ...

    Meeting Document : WG-EMM-05/30 : Auteur(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)

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