Resultados de la búsqueda
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Hydrographic conditions in the Elephant Island plateau region during December 1996
) Islands and the Antarctic Peninsula Region. A data set sampled during December 1996 in the Elephant Island ... collected by German research vessels in this region. By means of a new interactive software water mass ... the distribution of biotic, and abiotic parameters. Analysis of time series data at a station site to ... paper reiterates a recommendation as given in a previous SC-CAMLR paper by the same author, to do a co ...
Meeting Document : WG-EMM-97/06 : Autor(es): Stein, M.
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The spawning dynamics of Patagonian toothfish in the Australian EEZ at Heard Island and the McDonald Islands and their importance to spawning activity across the Kerguelen Plateau
industry conducted a joint project to study the reproductive dynamics of Patagonian toothfish (Dissostichus ... collected in 2011. This data confirms that toothfish spawn between July and August across a large ... latitudinal range along the deep slope of the Kerguelen Plateau. A comparison of macroscopic staging of gonad ... animals, and that even large mature fish may not spawn every year. As a result, the conventional method of ...
Meeting Document : WG-FSA-12/P08 : Autor(es): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2015
Abstract: In January 2015 the UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the ... FV New Polar. A total of 77 random and representative hauls were completed giving good geographic ... (Champsocephalus gunnari) was calculated at 48,543 tonnes with a lower 1-sided 95% interval estimate of 29,300t ... ) indicating the presence of a strong cohort of age 3+ fish. Estimated biomass for the other icefish species ...
Meeting Document : WG-FSA-15/30 : Autor(es): M. Belchier, S. Gregory, N. Fallon, J. McKenna, S. Hill, M. Soffker (United Kingdom), P. Lafite (South Africa) and L. Featherstone (United Kingdom)
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2016/17 in Division 58.4.3a by France and Japan
limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2014/2015 was 15 tonnes. A ... the coming years in order to contribute to the tagging program and to achieve a robust stock ... assessment that would provide advice on a catch limit according to CCAMLR decision rules. This paper aims to ... present a research plan for 2016/2017 developed under Conservation Measure 41-06. The biomass in division ...
Meeting Document : WG-FSA-16/55 : Autor(es): Delegation of France and Japan
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Draft standard methods for environmental indices F1, F3 and F4
recording sea-ice cover viewed from a CEMP site (Index F1), local weather at a CEMP site (Index F3) and snow ... cover at a CEMP site (Index F4). The information at hand was reviewed, and a revised approach to ...
Meeting Document : WG-EMM-99/12 : Autor(es): Secretariat
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ECOSYSTEM SERVICES OF THE SOUTHERN OCEAN
Abstract: The Southern Ocean is a globally important marine region, providing a range of ... requires the consideration of a wide range of objectives, and the language and concepts of ecosystem ... services may help to provide a common currency for balancing these objectives. However, the importance of ... System (ATS), creating a potential disconnect between global and regional policy. Nevertheless, decision ...
Meeting Document : WG-EMM-11/21 : Autor(es): S.M. Grant, S.L. Hill and P.N. Trathan (UK)
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An assessment of toothfish in Subarea 48.3 using CASAL
, with an extensive range of sensitivity tests and examination of diagnostics. A baseline assessment ... data, and the survey recruitment series (treated as a relative index). This produced excellent fits to ... the catch length frequencies, but a poor fit to the early CPUE data, for which a substantial process ... error CV was estimated (0.39). A possible alternative assessment model was also identified using a ...
Meeting Document : WG-FSA-05/16 : Autor(es): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004
Islands and off the Barff Peninsula, South Georgia, from a 59 foot yacht in January 2004. The purpose of ... to be well suited as an acoustic survey platform. The echosounder transducers were deployed on a ... speeds of up to 7 knots. Echo intensity data were scaled to krill density using a target strength ... observations from the past 20 years. A low density was perhaps not unexpected in line with recent cyclical ...
Meeting Document : WG-EMM-04/35 : Autor(es): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)
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Rationale, structure and current templates of the Ecosystem, Productivity, Ocean, Climate (EPOC) modelling framework to support evaluation of strategies to subdivide the Area 48 krill catch limit amongst small-scale management units
undertaking a work program to develop a management procedure for krill fisheries. To date, this has primarily ... management units through a number of workshops. Computer simulations are being used by WG-EMM to evaluate the ... modelling framework. In particular, it outlines the general considerations for designing a simulation ... EPOC to facilitate this work. Author(s): A. Constable (Australia) Title: Rationale, structure and ...
Meeting Document : WG-SAM-07/14 : Autor(es): A. Constable (Australia)
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Spatial patterns of temporal relationships in the Southern Ocean
limited by iron and light. Distributions of satellite-detected chlorophyll-a (Chl-a) show very complex and ... temperature (SST) and Chl-a can be used to map areas where different factors control phytoplankton production ... . Statistically significant spatial patterns in the covariance between MLD, SST and Chl-a show that the physical ... factors controlling phytoplankton production in the Southern Ocean change in a predictable manner. Well ...
Meeting Document : WS-BSO-07/5 : Autor(es): M. Kahru and B.G. Mitchell (USA)