Resultados de la búsqueda
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Reporting procedures for the continuous fishing method
the quality of catch data. In this paper, we report a new evaluation of the reporting method. We find ... Abstract: Information about catch and effort from the fishing fleet is vital for evaluation of ... the management of krill. The continuous trawling method requires adapted reporting procedures compared ... to traditional trawling. The present reporting procedure of 2-hour intervals has demonstrated ...
Meeting Document : WG-EMM-17/48 : Autor(es): O.R. Godø and T. Knutsen
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Propuesta de mecanismo de apoyo para la implementación del Fondo de Desarrollo de la Capacidad General propuesto
10-05/B ‘The use of the CDS fund’. Consistent with the proposed mechanism, this paper further ... implementation of capacity building by CCAMLR. Finally, this paper proposes that the Commission establish a ... Abstract: CCAMLR has recognised the importance of Member capacity building to enhance their ... engagement in the work of CCAMLR. This proposal seeks to support the establishment of the General Capacity ...
Meeting Document : CCAMLR-XXXVII/02 Rev. 1 : Autor(es): Delegations of Australia, New Zealand, Norway, the Republic of Korea and the United Kingdom
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Albatross populations: status and threats
Abstract: The population and conservation status of the world's albatrosses are reviewed ... within the framework of recent taxonomic changes. The latest estimates of size of breeding populations ... (pairs) at all known localities of each of the 24 proposed species are presented; population trends are ... status (i.e.. population trends) of two-thirds of the world's ca. 150 albatross populations remain ...
Meeting Document : WG-FSA-97/28 : Autor(es): Gales, R.
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Physical forcing in the southwest Atlantic: ecosystem control
Abstract: In the southwest Atlantic sector of the Southern Ocean, temporal variability in the ... physical environment has been recorded since the early part of the last century. For example, ocean ... temperatures are known to vary both between seasons and between years. Time series analysis of sea surface ... temperature at South Georgia shows the presence of high levels of autocorrelation, with periodicity evident in ...
Meeting Document : WG-EMM-04/34 : Autor(es): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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Spatial variability and power to detect regional-scale trends
Abstract: An important issue in regional-scale trend detection is the degree of concordance in ... between sites than within sites over time, inter-site variance can overwhelm the effects of other sources ... of variation in a system, resulting in low power in trend detection across that scale, despite ... precise methods of measurement and long time series of data. We used published data from repeated regional ...
Meeting Document : WG-EMM-03/47 : Autor(es): C. Southwell and L. Emmerson (Australia)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
Abstract: The Ross Sea is a well-defined embayment of Antarctica about the size of southern ... composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ... escaped direct anthropogenic alteration; the RSSlE, similar to all of Earth’s other marine ecosystems, has ... scientific effort has been invested in studies of the geology, physics and biology of the Ross Sea over the ...
Meeting Document : WG-EMM-02/60 : Autor(es): D. Ainley (USA)
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Informe sobre la operación del B/P nasero Viking Sky durante Setiembre–Octubre del 2001: Atlántico sudoccidental (latitudes 37°–38° sur y 42° sur) Área estadística 41
Abstract: The northern geographical distribution of the toothfish Dissostichus eleginoides ... , reaches the Exclusive Economic Zone of Uruguay. The species was firstly cited for the uruguayan waters by ... Devincenzi in 1924, and it is usually found by fishing trawlers between 900 m and 1200 m of depth, along the ... ” performed this fishing trip between the 2 of september to the 11 of october of 2001, with a Scientific ...
Meeting Document : WG-FSA-02/66 : Autor(es): O.D. Pin y H. Nión (Uruguay)
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Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
Abstract: At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... of fish taken on individual longline sets from which length frequencies were sampled by observers and ... also that this trend was halted in 2000. A GLM analysis of these data shows that both area and depth ... are highly significant factors in explaining part of this variation over time, but not all of it ...
Meeting Document : WG-FSA-01/48 : Autor(es): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4
Abstract: 1. So far a total of 929 D. eleginoides have been tagged and released at Subarea 48.4 ... assessment of D. eleginoides stock size in the Northern Area of 48.4 estimates a vulnerable biomass of ... 48.4 in the 2008/09 fishing season so as to allow for a full assessment of D. eleginoides stock size in ... southern area of Subarea 48.4. This has the aims of providing the data required for assessments of the ...
Meeting Document : WG-FSA-08/46 : Autor(es): J. Roberts and D. J. Agnew (UK)
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The Ross Sea cephalopod community: insights from stable isotope analysis
identified as having relatively high importance in the food-web of the Ross Sea. However, information on the ... trophic ecology of the cephalopod assemblage of the Ross Sea region is poor. Stable isotope signatures of ... nitrogen (δ 15 N) and carbon (δ 13 C) were determined in muscle and beak tissue from a range of cephalopod ... stomachs of Antarctic toothfish Dissostichus mawsoni returned from the longline fishery. Most octopods were ...
Meeting Document : WG-EMM-12/55 : Autor(es): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)