Resultados de la búsqueda
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Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic toothfish (D. mawsoni) in Area 48
the objectives of the Commission, across the whole of Area 48. Co-ordinated by WG-SAM and/or FSA, a ... objectives that allow proponents to design their proposals and provide a structure against which the research ... and results can be subsequently evaluated. A time schedule, in the form of a project plan with ... : Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic ...
Meeting Document : WG-FSA-17/54 : Autor(es): C. Darby and M. Söffker
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RESEARCH PLAN AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A TRAWL NET
Abstract: We made a survey plan to observe krill escapement, attached an underwater video camera ... on a trawl net of a Japanese commercial trawler, and started observation to collect video images of ... AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A ...
Meeting Document : WG-EMM-11/36 : Autor(es): K. Fujita and S. Hasegawa (Japan)
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Note sur l'étude d'évaluation de l'impact des pêcheries sur les populations de pétrels à menton blanc Procellaria aequinoctialis et de pétrels gris Procellaria cinerea aux îles Crozet et Kerguelen
decrease in the population was more marked as a result of previous levels of incidental mortality. At ... mortality of white-chinned petrels in Division 58.5.1 have probably had a negative effect on the population ... . At present, incidental mortality of this petrel has a limited effect on the population. The ... ). The legal toothfish fishery had a significant negative impact on adult survival and population growth ...
Meeting Document : SC-CAMLR-XXVI/BG/22 : Autor(es): Délégation française
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05
eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on ... toothfish and the associated bycatch. The 2005 D. mawsoni catch was the highest on record with a total of ... 3477 t against a catch limit of 3625 t. The catch limit was almost reached in Subarea 88.1 and exceeded ... length and age composition of the catch. During the development of the fishery there has been a steady ...
Meeting Document : WG-FSA-05/29 : Autor(es): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
and South Georgia collected annually from 1991 to 2000. A correction function, which took account of ... the 14 higher growth rate at South Georgia, produced a consistent similarity in the position of the ... the differences in the growth corrected length–frequency distribution, 16 suggested a higher mortality ... krill in the Antarctic occurs in a 21 relatively small number of regional fisheries within the Scotia ...
Meeting Document : WG-EMM-02/16 : Autor(es): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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A hierarchical classification of benthic biodiversity and assessment of protected areas in the Southern Ocean
Abstract: An international effort is underway to establish a representative system of marine ... Southern Ocean including near-shore Antarctica. We achieve this by using a hierarchical spatial ... 23 ecoregions and nine bathomes. From a set of 30 types of geomorphic features of the seabed, 846 ... . Author(s): L.L. Douglass, J. Turner, H.S. Grantham, S. Kaiser, R. Nicoll, A. Post, A. Brandt and D ...
Meeting Document : WS-MPA-11/23 : Autor(es): L.L. Douglass, J. Turner, H.S. Grantham, S. Kaiser, R. Nicoll, A. Post, A. Brandt and D. Beaver (WWF–ASOC)
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
Abstract: The selection of a survey area of sufficient size to acount for the migratory behavior ... of krill and based on evaluating the variance structure of sampling within the area from a time ... the combined total standing stock has a consistent variance to mean biomass relationship that appears ... probably encompasses the migratory range of a single group of krill within the period of observation and ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Autor(es): Delegation of USA
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A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06
Abstract: A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... these vessels for 2005 and for about half of these vessels for 2004. A reported total of 8888 Antarctic ... 20% of the recaptures could not be matched to a release observation, mainly because of missing ... Sound have moved over 800 km, whilst a further four fish tagged in the fishery have moved over 300 km ...
Meeting Document : WG-FSA-SAM-06/09 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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Towards the development of a stock assessment for Patagonian toothfish in Division 58.4.4, SSRU C on Ob and Lena Banks
Abstract: Following the advice from the CCAMLR Working Group in WG-SAM in 2012, a preliminary ... assessment of stock status of D. eleginoides in SSRU C in Ob-Lena Banks was made using a CASAL catch-at ... suggest suitable fits to the data, however, there appears to be a pattern of increasing YCS over the time ... but there is a history of IUU catches for the whole Division starting from 1996/97. To provide a more ...
Meeting Document : WG-FSA-12/59 : Autor(es): K. Taki (Japan)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: The stocks of Dissostichus mawsoni in the Division 58.4.1 were vulnerable with a big ... Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the ... caught in SSRU 58.4.1 C-a in CCAMLR Conversion Area in March, 2013. The diet composition and feeding ... . mawsoni is a carnivore and piscivorous fish that mainly consumed fishes, especially Macrourus whitsoni ...
Meeting Document : WG-SAM-13/26 : Autor(es): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)