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Progress report of the CEMP Special Fund camera network in Subarea 48.1
Network in Subarea 48.1”. The project was initiated with support from the CEMP Special Fund in 2014/15 ... . The project is now fully operational. In 2016/17 data were recovered from 50 cameras covering 3 ... summaries indicate variation in phenological timing within species across sites with relatively high ... publication is currently in preparation. The cameras in the network remain in deployment and will contribute ...
Meeting Document : WG-EMM-17/16 Rev. 1 : Автор(ы): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, V. Lytvynov, A. Barbosa, C. Southwell and L. Emmerson
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ESTIMATION OF MANAGEMENT REFERENCE POINTS CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48
biomass reference points for the krill fishery in CCAMLR Area 48 consistent with the catch trigger level ... of F and SSB reference points for the krill stock in Area 48 consistent with the catch trigger level ... are 0.0159 (95 % CIs: 0.00750 – 0.0357) and 97.7 % SSB0 (80 % CIs: 71.6 – 135 %) respectively. In ... increases substantially with increased recruitment variability, though in absolute terms remains negligible ...
Meeting Document : WG-EMM-11/17 : Автор(ы): T. Peatman, J. Moir Clark, D.J. Agnew (UK)
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Managing ecosystem uncertainty: critical habitat and dietary overlap of top-predators in the Ross Sea
Abstract: We summarize three types of data in order to increase appreciation among fishery ... managers of the close spatial and temporal ecological overlaps among top predators in the Ross Sea Shelf ... whale, though other species might also soon be exploited in the Ross Sea region. In addition to those ... two predators we also include other trophic competitors and (and in two cases predatory species ...
Meeting Document : WG-EMM-06/29 : Автор(ы): Testa, J.W., Stewart, B.S., Olmastroni, S., Lyver, P., Karl, B., Eastman, J., Barton, K., Ballard, G., Toniolo, V., Wilson, P., Ainley, D.
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GIS ‘ChartMaster’ for aquatic living resources research in Antarctic
Abstract: Geographic Information Systems (GIS) find increasing application in different fields of ... and abundance; to estimate the instant biomass in the surveyed area; to carry out the survey planning ... and designing; to carry out adaptive planning during the survey in order to localize and outline the ... for studying aquatic living resources in the Antarctic waters: The Chart of possible catches of ...
Meeting Document : WG-SAM-13/04 : Автор(ы): V.A. Bizikov, S.M. Goncharov, A.V. Polyakov, S.B. Popov and A.F. Petrov (Russia)
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PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN
Abstract: Penguins are adapted to live in extreme environments, but they can be highly sensitive ... , oceanography and critical habitats. For example, in the southwest Atlantic, the distributional range of the ice ... and chinstrap penguins have expanded their range southward. In the Southern Ocean, the El Niño ... changes in the marine ecosystem, ultimately affecting penguins. The interaction between these modes is ...
Meeting Document : WG-EMM-09/P09 : Автор(ы): J. Forcada and P.N. Trathan
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LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA
spawn in a given year and is therefore appropriate to evaluate spawning stock biomass relative to stock ... male Antarctic toothfish Dissostichus mawsoni from fish sampled in the Ross Sea spanning the 2000-2009 ... vitellogenic phase over at least a 6–12 month period, resulting in a developed batch of oocytes accumulating at ... ) by length. Evidence of skip spawning by females results in a right-shifted ogive, increasing the ...
Meeting Document : WG-FSA-09/37 : Автор(ы): S.J. Parker and P.J. Grimes (New Zealand)
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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
superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year Approval: Approved ... 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 ...
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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