Search results
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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 : Author(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 : Author(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 : Author(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 : Author(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 : Author(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Distribution, biological characteristics and biomass of mackerel icefish based on the results of the trawling survey carried out at RV Atlantida in February 2000
by Russia at R/V Atlantida in February 2000 in Subarea 48.3 are presented. During that period ... C.gunnari were feeding. In all parts of the Subarea, except the North-Western one, C. gunnari of 22-28 cm in ... coefficient. The objective evidences are submitted to prove that a certain part of C.gunnari stock may stay in ... the pelagic layer in the feeding period. Therefore, the bottom survey estimates only the population ...
Meeting Document : WG-FSA-00/51 : Author(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia
Abstract: 1. Bottom trawl surveys on the South Georgia shelf indicate episodic declines in the ... commercial fishing. 2. The greatest effect has been observed in years when krill are known to have been ... that predation by fur seals is likely to play a major role in the observed changes in C. gunnari ... abundance. 5. Periodic shifts in food chain relationships, involving krill, C. gunnari and fur seals, are ...
Meeting Document : WG-FSA-99/63 : Author(s): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)
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RESEARCH PLAN FOR TOOTHFISH BY SHINSEI MARU NO. 3 IN 2008/09
Abstract: A proposal to undertake scientific research in CCAMLR Subarea 58.4.4 over the 2008-2009 ... No.3, in 07/08 season covering the whole SSRUs (Small Scale Research Units). In the course of this ... the single year survey is not be sufficient in order to quantitatively assess the stock abundance and ... to continue the scientific research to accumulate scientific information on toothfish in this area ...
Meeting Document : WG-FSA-08/39 : Author(s): Delegation of Japan
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ... of 11-21 months. A comparison was carried out between the annuli found in scales removed before and ... after the period of liberty. In scales of those specimens recovered after 11-13 months, one extra ... annulus was laid down. The same analysis in one individual recovered after 21 months resulted in 2 extra ...
Meeting Document : WG-FSA-94/12 : Author(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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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 : Author(s): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)