Resultados de la búsqueda
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
us to determine that the Champsocephalus gunnari grew 55cm in 17 years and the Notothenia rossii grew ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ...
Meeting Document : SC-CAMLR-VI/BG/43 : Autor(es): R. Radtke (USA)
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Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
and the resulting data should not be used in stock assessments with only few years of data available ... assessments, since data obtained from a tagging program in recent years only can be sufficiently informative ... estimates from an integrated tag-based assessment are influenced by various aspects of a multi-year tagging ... SSB0 and SSB status in the assessment year stabilized or were relatively small with a tag size-overlap ...
Meeting Document : WG-FSA-12/18 : Autor(es): P.E. Ziegler (Australia)
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The annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2012
RSTS were generally high in comparison with previous years, with the total fish catch being twice as ... ), anemones and corals. Catches of individual taxa were generally much lower than in previous years, except ...
Meeting Document : WG-FSA-12/25 : Autor(es): G.B. Nowara and T. Lamb (Australia)
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Decadal trends in the South Georgia demersal fish assemblage
biomass were seen across survey years. Species counts were highly variable across the shelf region and ... years accounting for 97% of total demersal fish biomass. The relative abundance of these species was ...
Meeting Document : WG-FSA-13/26 : Autor(es): M. Belchier (United Kingdom)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G
next 2–3 years) it be made mandatory for vessels to complete all of their sets inside one or more of ... could be relaxed in future years once sufficient tags have been recaptured to carry out an assessment of ...
Meeting Document : WG-FSA-14/59 : Autor(es): S.M. Hanchet and S.J. Parker (New Zealand)
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
Abstract: VHF radiotelemetry data has been used for over thirty years to monitor the behavior ... decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data on ...
Meeting Document : WG-EMM-15/P05 : Autor(es): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
. CPI, CPII and CPIII data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00 ... , respectively while that in Subarea 48.2 those corresponded to years 1981/82, 1986/87 and 1997/98, respectively ...
Meeting Document : WG-EMM-16/26 : Autor(es): L.A. Pastene and T. Hakamada
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Continuation of multi-Member research on the Dissostichus eleginoides exploratory fishery in 2017/18 in Division 58.4.3a by France and Japan
carry on a couple of investigations for the following years (SC-CAMLR-XXXV, para. 3.250). France and ... the coming years in order to contribute to the tagging program and to achieve a robust stock ...
Meeting Document : WG-FSA-17/55 : Autor(es): Delegations of France and Japan
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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2001/02
: 81 seabirds (c.v. = 4%) were estimated caught on chartered tuna longlines in southern waters; 20 ... aequinoctialis), 20% were white-capped albatrosses (Thalassarche steadi), and 15% were sooty shearwaters ...
Meeting Document : WG-FSA-04/56 : Autor(es): S.J. Baird (New Zealand)
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Adélie penguins’ response to unmanned aerial vehicle at Cape Hallett in the Ross Sea region, Antarctica
) in 2018. In order to obtain suitable images for counting the number of nests and mitigate ...
Meeting Document : WG-EMM-2019/36 Rev. 1 : Autor(es): J.-H. Kim, Y.-S. Kim, J.-W. Jung, W.Y. Lee, H.-C. Kim, J.H. Kim, H. Chung and H.C. Shin