Resultados de la búsqueda
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Report from the CCAMLR Observer (Argentina) to the Fourth Session of the United Nations Environment Assembly of the United Nations Environment Programme (Nairobi, Kenya, 11 to 15 March 2019)
Abstract: This document summarizes the debates and refers to the main documents of interest to ... of the United Nations Environment Assembly of the United Nations Environment Programme, in March 2019 ... . In this respect, the debates surrounding micro-plastics and the impact of land-based activities on ... from the CCAMLR Observer (Argentina) to the Fourth Session of the United Nations Environment Assembly ...
Meeting Document : CCAMLR-38/BG/27 : Autor(es): CCAMLR Observer (Argentina)
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Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
bottom trawl survey in March, 2001 of the South Shetland Islands. Information on species composition ... , size composition, spatial distribution, and dietary patterns are presented. Estimates of total stock ... % confidence levels from the 2001 surveys were considerably decreased. The results indicate that stocks of N ... . rossii have not recovered even after commercial fishing has ceased for 20 years. The overall abundance of ...
Meeting Document : WG-FSA-01/33 Rev. 1 : Autor(es): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong and H. Flores
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In situ observations of the scavenging fauna of the South Georgia slope
Abstract: The scavenging fauna of the South Georgia slope was investigated from 41 baited camera ... deployment at depths of 471-2235 m during research cruises in September 1997 and January 2000 and 2003. The ... absent from depths greater than 1800 m and temperatures less than 1.3 C. The arrival rate of crabs at the ... bait can be used to estimate density, but the behaviour of toothfish precludes this approach to ...
Meeting Document : WG-FSA-03/76 : Autor(es): M.A. Collins, I. Everson, R. Patterson, P.M. Bagley, C. Yau, M. Belchier and S. Hawkins (United Kingdom)
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Distribution of phytoplankton in the mixed layer: implication of krill abundance
Abstract: The vertical trajectory of phytoplankton in the Antarctic ocean is modelled as a random ... mixing layer is shallow, but diffusion is large enough to effect the vertical distribution of ... phytoplankton in the upper ocean. Author(s): United States of America Title: Distribution of phytoplankton in ... the mixed layer: implication of krill abundance Approval: Approved ...
Meeting Document : SC-CAMLR-VII/BG/26 : Autor(es): United States of America
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An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)
ageing program for the purposes of routine processing of Patagonian toothfish (Dissostichus eleginoides ... ) otoliths from the Heard Island and McDonald Islands fishery. With the reinitiation of this program a number ... of methodological refinements have been made to those outlined by Nowara et al. (2009), particularly ... in relation to the laboratory processing of otoliths and quality control in the assignment of fish ...
Meeting Document : WG-FSA-14/45 : Autor(es): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)
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Plan of research program of the Ukraine in Subarea 48.1 in 2018
Abstract: Ukraine proposes to carry out a scientific survey of Dissostichus spp. by bottom ... longline in the eastern part of Subarea 48.1 with a partial (insignificant area) covering the area under ... investigation in Subareas 48.2 and 48.5. Author(s): Delegation of Ukraine Title: Plan of research program of ...
Meeting Document : WG-SAM-17/17 : Autor(es): Delegation of Ukraine
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Preliminary results of oceanological research of Ukrainian vessels in the CCAMLR area for the season 2017/18
Abstract: In the fishing season of 2018, three Ukrainian fishing vessels collected oceanographic ... data (salinity and temperature). The method of data collection is described. A preliminary analysis of ... the data was carried out. Author(s): V. Paramonov Title: Preliminary results of oceanological ... research of Ukrainian vessels in the CCAMLR area for the season 2017/18 Approval: Approved Secretariat ...
Meeting Document : WG-SAM-18/27 : Autor(es): V. Paramonov
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Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish Dissostichus eleginoides?
Abstract: Otolith nucleus chemistry resolved the population structure of Patagonian toothfish ... to South Georgia in the Southern Ocean. Concentrations of 55Mn, 88Sr, and 137Ba, ratioed to 42Ca ... , showed a sharp population boundary in the vicinity of the Polar Front, between South Georgia and the ... population heterogeneity not previously detected, suggesting the possibility of more than one South American ...
Meeting Document : WG-FSA-06/P2 : Autor(es): Ashford, J.R., A.I. Arkhipkin and C.M. Jones
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Oceanological factors affecting formation of mackerel icefish aggregations in the South Georgia area during different seasons of the year
Rocks. High level of energy exchange, intensive supply of food allow fish to distribute in the wider ... migrate to the spawning grounds. These migrations occurred in the near-bottom layer. The impulse of the ... amount of accumulated fat affects an individual fish readiness to spawning. Icefish spawning in the ... affect indirectly icefish aggregations formation through the food items, distribution of which depends on ...
Meeting Document : WG-FSA-05/76 : Autor(es): Zh.A. Frolkina (Russia)
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data
Abstract: We examined seasonal variation in CPUE (catch per volume of trawled water) and diurnal ... vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... day based upon the angles between the center of the sun and the celestial horizon on the Scotia Sea ... twilight and shallowest around at evening twilight. The range of trawling depth was narrower in the certain ...
Meeting Document : WG-EMM-04/44 : Autor(es): K. Taki, T. Hayashi and M. Naganobu (Japan)