Résultats de la recherche
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Estimates of length-frequency in the assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3
Abstract: This working document provides details of a modification in the method of calculating ... length distributions used in the assessment of Champsocephalus gunnari from the length distributions of ... individual hauls. The effect of these changes in method have little impact on the catches that would have ... been permitted based on the 2011 and 2013 surveys, but has a larger impact on the catch limits derived ...
Meeting Document : WG-FSA-17/51 : Auteur(s): T. Earl
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
Abstract: This paper outlines the difference in fishing patterns between regions (Subareas) and ... seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ... leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ...
Meeting Document : WG-EMM-07/27 : Auteur(s): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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Preliminary analyses in support of the CEMP Review Workshop: serial correlations
Abstract: As part of the preliminary analyses undertaken in preparation for the CEMP Review ... Workshop, the Secretariat has documented serial correlation in time series of CEMP indices. The values ... input to the serial correlation analysis were the ‘transformed’ annual index values reported in WG-EMM ... -03/24. Serial correlation in biological indices occurred in 4, 10 and 33 % of the time series at ...
Meeting Document : WG-EMM-03/27 : Auteur(s): Secretariat
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Demography and population trends of the Atlantic yellow-nosed albatross
Abstract: The Atlantic Yellow-nosed Albatross (Thalassarche chlororhynchos) breeds only at the ... Tristan da Cunha archipelago and Gough Island in the central South Atlantic Ocean, and is threatened by ... mortality from longline fisheries operating in the South Atlantic. Demographic data have been collected from ... two study colonies on Gough Island and Tristan da Cunha for 20 years. Annual variation in the number ...
Meeting Document : WG-FSA-03/37 : Auteur(s): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
Abstract: Discovered in 1819, the South Shetland Islands soon became the focus of intensive ... and did not begin re-colonizing until ~80yrs later. The first reported pups born post-exploitation ... reports the results of a ground survey of all known fur seal colonies from Smith to Elephant Islands from ... %) and San Telmo Islands (21%). Dead pups accounted for 1.37% of the total. A comparison with previous ...
Meeting Document : WG-EMM-02/51 : Auteur(s): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
Abstract: Results of the inventory trawling survey of icefish carried out by Russian vessel STM ... -8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ...
Meeting Document : WG-FSA-02/79 : Auteur(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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THE ROSS SEA: A CANDIDATE FOR IMMEDIATE INCLUSION IN A NETWORK OF MARINE PROTECTED AREAS
Abstract: In the Southern Ocean fisheries are increasingly being exploited while the effects of ... , with initial inclusion of the well-researched Ross Sea, the area of the Southern Ocean having ... relatively little human interference so far. Under present climate change scenarios, it could be among the ... last stretches of the world’s oceans where sea ice remains an important part of the system. The Ross ...
Meeting Document : CCAMLR-XXVII/BG/30 : Auteur(s): Submitted by ASOC
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Variability of krill stock composition and distribution in the vicinity of Elephant Island during AMLR investigations 1988-1992
Abstract: Krill stock composition and distributional patterns in the vicinity of Elephant Island ... during austral summer 1988-1992 are described. Changes in both size and maturity composition over the ... five year period indicates strong recruitment from the 1987/88 and 1990/91 year classes and poor ... recruitment from the 1989/90 and 1990/91 year classes. Year class success may be related to the abundance of ...
Meeting Document : WG-KRILL-92/12 : Auteur(s): V. Loeb (USA) and V. Siegel (Germany)
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Monitoring krill larvae at the Weddell-Scotia confluence
detected at the Weddell Scotia Confluence due to the presence of upwelling of larvae completing their ... developmental ascent. A number of quantitative variables reflect this phenomenon. As the position of the ... Confluence is fixed by the bottom topography interannual variability is geographicaly limited making possible ... to establish a monitoring programme aimed to evaluate the status of adult populations and recruitment ...
Meeting Document : WG-EMM-10/20 : Auteur(s): E. Marschoff, N.S. Alescio, D. Gallotti and G. Donini (Argentina)
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Proposal for a Resolution on Standardised Procedure to Establish CCAMLR MPAs in accordance with the Conservation Measure 91-04
proposals is necessary and essential to streamline and facilitate examinations. On the basis of the ... discussions at the last Commission meeting, Japan is planning to propose a resolution “Standardized Procedure ... to Establish CCAMLR MPAs in accordance with the Conservation Measure 91-04”, hoping to contribute to ... constructive discussions thereon at the Commission meeting in 2014, in order for CCAMLR’s efficient and ...
Meeting Document : WG-EMM-14/32 : Auteur(s): Delegation of Japan