Résultats de la recherche
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
fishery around CCAMLR Subarea 48.3 have, to date, been limited to in situ line observations conducted by ... assessment and management of the fishery. This independent estimation of the total catch in the fishery ... was installed on a longliner targeting toothfish in CCAMLR Subarea 48.3. This system provided 100% of ... divided in settings and hauling operations where at-sea observations were matched with video footage ...
Meeting Document : WG-FSA-14/27 : Auteur(s): R.A. Benedet (United Kingdom)
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Spawning pattern and type of fecundity in notothenioids collected around the Elephant and South Orkney Islands
georgianus) was carried out, in females collected during a fishery research survey around the Elephant Island ... counting were carried out using an image analyzer in sub-samples of ovaries at different stages of ... distinctive finding derived from this study: (i) in mature ovaries of all species immature oocytes or pre ... -vitellogenic appeared clearly separated from the most advance mode of mature oocytes; (ii) in hydrated ovaries ...
Meeting Document : WG-FSA-16/22 : Auteur(s): G. Plaza, P.M. Arana, F. Becker, A. Zavatteri and V.H. Castillo
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... decisions. The second objective is to monitor trends in larger (large sub-adult and adult) toothfish ... abundance in alternate years in McMurdo Sound and Terra Nova Bay where toothfish may form an important part ... in the research and monitoring plan for the Ross Sea region MPA. The survey design will remain ...
Meeting Document : WG-SAM-17/39 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in Subarea 88.3 began with a ... survey by Chile in 1999. Since then there have been research surveys by New Zealand (2005), Russia (2011 ... abundance of Antarctic toothfish in Subarea 88.3 and the Scientific Committee has requested members complete ... research in this area to address that uncertainty. There is also considerable uncertainty about the stock ...
Meeting Document : WG-FSA-17/40 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... decisions. The second objective is to monitor trends in larger (large sub-adult and adult) toothfish ... abundance in alternate years in McMurdo Sound and Terra Nova Bay where toothfish may form an important part ... in the research and monitoring plan for the Ross Sea region MPA. The survey design will remain ...
Meeting Document : WG-FSA-18/41 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Monitoring and management in the Antarctic – making the link between science and policy
Abstract: Management of human impacts in the Antarctic requires an effective system of monitoring ... . Human impacts arise as a result of processes that originate in the region (endogenous) and those that ... originate outside the region (exogenous). A number of monitoring programmes have been established in both ... minimise human impacts, is a complex process. Although potential analogues for target setting exist in ...
Meeting Document : WG-EMM-07/P9 : Auteur(s): K. Reid (United Kingdom)
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Summary report of the International Fishers’ Forum – Solving the Incidental Capture of Seabirds in Longline Fisheries
Abstract: This paper reports on a 4 day forum for fishers held in New Zealand in 2000, to ... exchange information and develop practical measures to minimise incidental capture of seabirds in longline ... will be held in Hawaii in late 2002. Author(s): CCAMLR Observer (New Zealand) Title: Summary report ... of the International Fishers’ Forum – Solving the Incidental Capture of Seabirds in Longline ...
Meeting Document : SC-CAMLR-XX/BG/19 : Auteur(s): CCAMLR Observer (New Zealand)
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Some notes on by-catch of fishes caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (December 2000 to January 2001)
by F/V Niitaka Maru (3910t) were made from 16 December 2000 to 26 January 2001 in the vicinity of the ... South Shetland Islands. Among 103 net hauls quantitatively examined, by-catch fishes were found in 41 ... trawl catches. Lepidonotothen larseni was the most abundant in number and weight and occurred in 20.4 ... the second in abundance in number and weight respectively. Most hauls were dominated by one species ...
Meeting Document : WG-EMM-01/50 : Auteur(s): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
Abstract: Quickly studied and quantified were sources of uncertainty in the CCAMLR 2000 ... acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration was ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ... absorption, and beam characteristics. Uncertainty in krill target strength (TS) was estimated using a ...
Meeting Document : WG-EMM-00/49 : Auteur(s): D.A. Demer (USA)
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TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
toothfish in the Ross Sea. One of them, the CASAL model, (Dunn & Hanchet, 2007; Bull et al., 2007) is ... ) data. Besides that, some sorts of data, e.g. tagging data, are used in these models in quite different ... information was also quite different: while in TISVPA all sources of data gave rather coherent signals about ... the stock (Vaslilyev et al., 2007), in CASAL the solution was mostly supported by signals from tagging ...
Meeting Document : WG-SAM-08/08 : Auteur(s): D. Vasilyev and K. Shust (Russia)