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Models of Antarctic marine ecosystems in support of CCAMLR and IWC: background
is currently in draft form open to comment and is being developed to provide an introduction to the ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... that need to be considered in parameterising a model, providing input data for those models and for ... addressing uncertainties in this process. Lastly, it summarises the modelling platforms being developed in ...
Meeting Document : CCAMLR-IWC-WS-08/03 : Автор(ы): Constable, A.
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The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean
Abstract: First attempts were made in the early 1980’s to estimate the krill and pelagic food ... -Antarctic Zone in the late 1980’s and early 1990’s when these areas were exploited commercially and a larger ... taken by mesopelagic fish in the Atlantic Ocean sector only. However, these estimates still have wide ... hydro-acoustic biomass estimates conducted in the late 1980’s and the lack of quantitative food ...
Meeting Document : CCAMLR-IWC-WS-08/09 : Автор(ы): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.
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Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year
subject since the British Discovery Reports. However, there was no remarkable achievement in particular ... Database. We here focus mean-field (climatologic analysis) in all season. First, we have examined fishing ... occurred in water shallower than 200 m. Furthermore, horizontal distribution of krill fishing points ... concentrated in three waters in the east Antarctic Ocean, the Scotia Sea, and north of South Georgia Island ...
Meeting Document : WG-EMM-08/32 : Автор(ы): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)
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Diet and trophic niche of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
stomach contents of specimens collected in the Ross Sea (71°–77°S, 165°E–180°) in January–March 2008 ... of prey in stomachs, fish (silverfish and lanternfish) and krill dominated diet overall (48% and 22 ... by silverfish occurred mainly in the extreme south-west of the region and near the continental slope ... . By weight, krill identified to species level in silverfish stomachs were predominantly Euphausia ...
Meeting Document : WG-EMM-12/54 : Автор(ы): M.H. Pinkerton, J. Forman, S.J. Bury, J. Brown, P. Horn and R.L. O’Driscoll (New Zealand)
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An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
model for Antarctic toothfish in the Ross Sea region, for a medium scale spatial resolution (189 spatial ... cells) covering the Ross Sea region. We build on the previous working medium-scale model in which the ... population was restricted to those cells in which at least 5% of cell area was of a depth deemed suitable as ... unsatisfactory in previous models, with a much flatter maturity ogive than that derived through histology. In the ...
Meeting Document : WG-SAM-14/31 : Автор(ы): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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