Resultados de la búsqueda
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Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019
Abstract: We provide a summary of environmental change in the Southern Ocean over the period of ... satellite observaton (1981 to present). The environmental data we consider are: (1) chlorophyll-a ... movement north of the Subantarctic Front; (3) increasing chl-a and NPP in the Subantarctic Front and around ... the southern limit of the ACC except in the Ross Sea region; (4) decreasing chl-a and NPP in the Ross ...
Meeting Document : WG-EMM-2019/39 : Autor(es): M. Pinkerton
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Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
localities from the two main Subareas 88 and 58, based on a combined analysis of mitochondrial DNA (mtDNA ... ) cytochrome oxidase I (COI) sequences and four nuclear microsatellite loci. MtDNA revealed a very low level of ... of 5.8 to 6.7 within populations. Four of six populations showed a genetic signal of inbreeding ... suggest that the sampled 88 Subarea populations are likely to comprise a well-admixed single gene pool ...
Meeting Document : WG-FSA-2019/36 : Autor(es): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
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Chapter 4: Science
achieve precautionary ecosystem-based fishery management, including with a changing environment, and to ... develop a strategic plan to collect such data (iv) develop approaches to identify whether the productivity ... the development of monitoring indicators such as through a revised CCAMLR Ecosystem Monitoring Program ... (WG-EMM-2021, paragraph 3.4), are regularly the focus of WG-EMM discussions. WG-EMM in 2022 proposed a ...
Page : Site Section: The Organisation
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MANAGEMENT OF VMS INFORMATION BY THE SECRETARIAT CONCERNING CATCHES OF PATAGONIAN TOOTHFISH BEYOND THE CONVENTION AREA
Summary: Currently, some State Parties require, as a requirement to introduce toothfish into their markets ... a timely manner and made readily available for consultation by those State Parties. This is proposed ... to be carried out through a modification of Conservation Measure 10-04 (2007) in accordance with the ...
Meeting Document : CCAMLR-XXIX/46 : Autor(es): Delegation of Chile
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Information on krill in reports from the CCAMLR scheme of international observation and its utility for management
Abstract: A preliminary analysis of the 32 reports submitted under the CCAMLR Scheme of ... International Observation revealed that there are a number of inconsistencies in the information being reported ... . Few reports have been submitted each year with a maximum of eight submitted in 2005. Very little ...
Meeting Document : WG-EMM-07/22 : Autor(es): J. Foster, S. Nicol and S. Kawaguchi (Australia)
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Learning about Antarctic krill from the fishery
early 1970s. Recent studies revealed its potential to be used as a unique source for scientific ... discussions to understand krill biology. In this paper, after a brief overview of krill fishery operation and ... a greater understanding of krill biology, and then suggest future priorities for fisheries-related ...
Meeting Document : WG-EMM-07/P5 : Autor(es): S. Kawaguchi and S. Nicol (Australia)
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SCAR Report on Marine Acoustics and the Southern Ocean
. Mitigation procedures were discussed and a number of recommendations set for future activities and acoustic ... research in Antarctica. This paper provides a detailed report of the Cadiz workshop and is a supplementary ...
Meeting Document : CCAMLR-XXV/BG/23 : Autor(es): Submitted by SCAR
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Learning about Antarctic krill from the fishery
early 1970s. Recent studies revealed its potential to be used as a unique source for scientific ... discussions to understand krill biology. In this paper, after a brief overview of krill fishery operation and ... a greater understanding of krill biology, and then suggest future priorities for fisheries-related ...
Meeting Document : WG-EMM-06/24 : Autor(es): S. Kawaguchi and S. Nicol (Australia)
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Risk categorisation for Macrourus whitsoni and Amblyraja georgiana in the Ross Sea
. Amblyraja georgiana were categorized as risk status 3 – species that are exploited as bycatch, and have a ... vulnerable to overfishing. The risk to A. georgiana is mitigated due to a CCAMLR programme to cut all skates ...
Meeting Document : WG-FSA-05/21 : Autor(es): R.L. O’Driscoll (New Zealand)
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Results from the New Zealand exploratory fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2004/05 season
season in this fishery are presented. Janas undertook 44 sets in Division 58.4.2 for a catch of 37.9 ... C for a catch of 0.372 tonnes of D. mawsoni. San Aspiring undertook 20 research sets in Division ... 58.4.1 SSRU G for a catch of 20.9 tonnes of D. mawsoni and 0.4 tonnes of D. eleginoides. The first sign ...
Meeting Document : WG-FSA-05/62 : Autor(es): G.J. Patchell (New Zealand)