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Zonal structure of zooplankton communities in the Southern Ocean south of Australia: results from a 2150 km continuous plankton recorder transect
2002 a 2150-km Continuous Plankton Recorder (CPR) transect was conducted along 140°E, between 47.02°S ... strongly correlated with frontal/oceanographic zones. These assemblages appeared to be structured by a ... a high proportion of sub-tropical and temperate species from the waters to its south. The study area ... sectors, was not a zone of distinct ecological transition. Two of the identified assemblages were located ...
Meeting Document : WS-BSO-07/P6 : Автор(ы): Hunt, B.P.V. and G. Hosie
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ... copepod parasites were identified as female or male E. antarctica. D. mawsoni from 88.1H had a higher ... experience, but represent a regional difference in prevalence and intensity of E. antarctica on D. mawsoni ... a picture of toothfish movement over different time scales. The stability of this regional ...
Meeting Document : WG-FSA-06/28 : Автор(ы): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report
establishing a Balleny Islands Marine Protected Area (MPA). The ecological importance of the Balleny Islands ... focus is on the CCAMLR values. A review of existing information reveals that the Balleny Islands are ... sustainability of existing and potential fisheries in the region. A strategically located Balleny Islands MPA ... extending outward from the islands would provide a critical buffer between ecologically important ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Автор(ы): Delegation of New Zealand
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A krill–predator–fishery model for evaluating candidate management procedures
uncertainty about how the krill-predator- fishery system operates. We describe a model designed to investigate ... and predation processes. The fishery is represented as a simultaneous and equal competitor for ... simulations. We present a range of performance measures that can be used to evaluate catch-allocation ... necessarily simplifies a complex system, it provides a flexible framework for investigating the roles of ...
Meeting Document : WG-EMM-05/13 : Автор(ы): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12
SSRUs, but there has been a marked reduction in median fish length in SSRUs 88.1H and 88.1I over the ... last 2–3 years. This appears to be at least partly a result of vessels carrying out more fishing in ... shallower parts of the slope, but could also reflect fishing on different parts of the slope, or a pulse of ... present a characterisation of the main six bycatch groups including macrourids, skates, icefish, eel cods ...
Meeting Document : WG-FSA-12/42 : Автор(ы): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (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
a reasonable figure/rate of line observation for each setting of the lines. A video recording system ... was installed on a longliner targeting toothfish in CCAMLR Subarea 48.3. This system provided 100% of ... totalling 31 hours and 57 minutes were observed and recorded. For hauling, a total of 53,403 hooks were ... by a scientific observer was compared with recorded video footage recorded by 3 different video ...
Meeting Document : WG-FSA-14/27 : Автор(ы): R.A. Benedet (United Kingdom)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15
remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2L. A standardised CPUE analysis showed ... fishery were stable in the North up until 2014, then showed a decrease in mode, particularly for males (to ... similar to that in the early period of the fishery – the reason for this is unclear. There has been a ... readings and it is recommended that additional otolith readings for this area are given a high priority ...
Meeting Document : WG-FSA-15/36 : Автор(ы): K. Large, S.M. Hanchet and S. Mormede (New Zealand)
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Dynamics of Antarctic krill in the Bransfield Strait during austral summer and autumn investigated using acoustic data from a fishing vessel
integration assuming they constituted the bulk of krill biomass. Our results indicated a major shift in mid ... -April which included increased biomass, increased vertical distribution of swarms, a shift in diel ... daytime in May, and also a shift in the length distribution of krill. The results strongly support recent ... followed by a gradual shift in swarming behavior. Our results further showed that the fishing vessel ...
Meeting Document : WG-EMM-17/40 : Автор(ы): X. Wang, G. Skaret, O.R. Godø and X. Zhao
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Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: A multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic ... (CCAMLR Division 58.4.1) with a focus on Antarctic krill was carried out by Kaiyo-maru during the 2018/19 ... , respectively. SADCP and PDR data were continuously recorded along the tracklines. A total of 101 CTD and 150 ... and chemical oceanographic studies. A total of 26 CTD casts were made for biological oceanographic ...
Meeting Document : WG-EMM-2019/42 : Автор(ы): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki
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Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach
Abstract: Biomarker analysis, especially fatty acids (FA) and stable isotopes (SI), has become a ... . Notothenia rossii showed a higher total FA concentration, with high levels of polyunsaturated FA (PUFA) such ... might suggest a possible trophic niche segregation between N. rossii and N. coriiceps, both species ... occupy a similar TP (N. rossii = 3.1, N. coriiceps = 3.5). Furthermore, we found a higher total ...
Meeting Document : WG-FSA-2019/26 : Автор(ы): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch
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