Resultados de la búsqueda
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv
Abstract: A length-based projection model is used to estimate catch limits for the 2011/12 ... of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ... , Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv Approval: Approved ...
Meeting Document : WG-FSA-11/30 Rev. 1 : Autor(es): R.E. Mitchell and S.M. Martin (United Kingdom)
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Proposal for a New SCAR KRILL Action Group
initiate a krill specialist group within SCAR’s Life Sciences Group with strong linkage to CCAMLR. In this ... regard a proposal was submitted on 18 th February 2018 to SCAR (see attachment). The defence of the ... steps will be given at the meeting. Author(s): B. Meyer, A. Brierley, S. Kawaguchi, C. Reiss and S ... . Nicol Title: Proposal for a New SCAR KRILL Action Group Approval: Approved Secretariat Workflow Status ...
Meeting Document : WG-EMM-18/01 Rev. 1 : Autor(es): B. Meyer, A. Brierley, S. Kawaguchi, C. Reiss and S. Nicol
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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 : Autor(es): 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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Antarctic seafloor geomorphology as a guide to benthic bioregionalisation
regimes. Where more detailed data are available, shelf geomorphology provides a guide to the distribution ... of the shelf benthic communities recognised by a number of authors. For areas off the shelf, the ... geomorphic mapping method presented here rapidly provides a layer to add to benthic bioregionalisation using ... produce a meaningful benthic bioregionalisation for an area as poorly known as the Antarctic continental ...
Meeting Document : SC-CAMLR-XXVI/BG/27 : Autor(es): Delegation of Australia
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): R.A. Benedet (United Kingdom)