Résultats de la recherche

1. Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area

   Abstract:  The assessment of environmental processes controlling variability of Antarctic krill ... (Euphausia superba) is an important subject to clarify the Antarctic marine ecosystem. We have assessed ... long-term relationship between Antarctic krill recruitment in the Antarctic Peninsula area and sea ... -level pressure gradients across Drake Passage during 1982-1993. The years with high pressure gradients ...

   Meeting Document : WS-AREA 48-98/5 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)

2. Potential impacts of climate change on the Southern Ocean ecosystem

   Abstract:  Global climate change has the potential to disrupt the delicately poised themal balance ... in surface waters of the Southern Ocean around Antarctica, threatening this highly productive system ... with severe and permanant collapse. Pivotal to this process is a diminution of the important (but ... little studied) CO2 sink in the Southern Ocean, resulting in a series of feedback loops accelerating ...

   Meeting Document : CCAMLR-VIII/BG/21 : Auteur(s): R.G. Chittleborough (Australia)

3. Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment

   collection, this study investigated how the bias and precision of a CASAL assessment is influenced by various ... aspects of a tagging program, in particular the effects of the numbers of fish tagged, the duration of a ... tagging program, the size of tagged fish, and the type of auxiliary data used in the assessment. The ... numbers were important particularly in the early stages of an exploratory fishery to ensure some ...

   Meeting Document : WG-SAM-12/24 : Auteur(s): P.E. Ziegler (Australia)

4. Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013

   Abstract:  The fisheries targeting Patagonian toothfish (Dissostichus eleginoides) and mackerel ... icefish (Champsocephalus gunnari) in the Australian Fishing Zone surrounding Heard Island and McDonald ... bycatches. A tagging program has operated in these fisheries since 2001 to learn more about the movement and ... biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ...

   Meeting Document : WG-FSA-13/22 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)

5. Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015–2018

   fishing seasons 2015-2018. The present program aims to recapture tagged fishes released during the ... implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. The present document is a new edition of the CCAMLR Document WG ...

   Meeting Document : WG-FSA-15/27 : Auteur(s): Delegation of the Russian Federation

6. By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Divisions 58.4.3a and 58.4.4b by Japan and France during 2012/13–2016/17

   Abstract:  This paper reports the preliminary results of by-catch analysis as a part of progress ... report for the research fishery of Dissostichus spp. in Division 58.4.3a and 58.4.4b by Japan and France ... . Although the by-catch occurred in most longline research operations, the number of by-catch individuals was ... less than 50 individuals in most of the operations. In most of longline operation, by-catch weight was ...

   Meeting Document : WG-SAM-17/45 : Auteur(s): T. Okuda, A. Rigaud, R. Sinegre and T. Ichii

7. BioRoss – New Zealand funded marine biodiversity research in the Ross Sea region

   Abstract:  This paper summarised progress made in the BioRoss marine biodiversity research ... programme administered by the New Zealand Ministry of Fisheries since 2000. The objective of the BioRoss ... programme is to develop a more complete understanding of the biodiversity present in selected marine ... communities in the Ross Sea, allowing better management, and to facilitate better state of the environment ...

   Meeting Document : WG-FSA-04/60 : Auteur(s): J. Burgess (New Zealand)

8. Problems in estimating population length at age from commercial catches, the Patagonian toothfish as an example

   Abstract:  Age based fishery population models require information on size at age of the fished ... population and the commercial catch. Age-length keys can be produced by standardised random sampling of the ... commercial catches. This information does not necessarily reflect the size at age of the fished population ... and may be seriously biased. Through the use of a model, and using the Patagonian toothfish as an ...

   Meeting Document : WG-FSA-01/17 : Auteur(s): I. Everson (United Kingdom)

9. Predicting changes in the Antarctic krill Euphausia superba population at South Georgia

   Abstract:  Variability in the Southern Ocean is frequently reflected in changes in the abundance ... of Antarctic krill Euphausia superba and subsequent effects on dependent predators. However, the ... length ill the diet of predators at South Georgia from 1991-1997, allowed predictions to be made about ... the abundance and population structure of krill in 1998 and the consequences for predators. Consistent ...

   Meeting Document : WG-EMM-99/37 : Auteur(s): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)

10. COMMITTEE FOR ENVIRONMENTAL PROTECTION: ANNUAL REPORT TO THE SCIENTIFIC COMMITTEE OF CCAMLR

    Abstract:  Co-operation between the Scientific Committee and the Committee for Environmental ... Protection has been steadily increasing over the last few years to the mutual benefit of both bodies. This ... has been exemplified not least by the joint workshop held in Baltimore, USA (April 2009). Consistent ... with the recommendations stemming from that workshop, this paper aims to:- Provide the CEP’s annual ...

    Meeting Document : SC-CAMLR-XXVIII/BG/16 : Auteur(s): CEP Observer

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