Résultats de la recherche
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WG-EMM-05
Implementing plausible ecosystem models for the Southern Ocean: an ecosystem, productivity, ocean, climate ... Agenda and Provisional Annotated Agenda for the 2005 Meeting of the Working Group on Ecosystem Monitoring ... –predator–fishery model for evaluating candidate management procedures G.M. Watters, J.T. Hinke (USA), K ... -EMM-05/2 List of Participants WG-EMM-05/20 Quantifying within- and between-season variability in ...
Meeting
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WG-FSA-06
. Duhamel and C. Guinet (France) WG-FSA-06/64 An integrated stock assessment for the Patagonian toothfish ... Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line ... Zealand) WG-FSA-06/33 Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions S ... CPUE analysis of the Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years ...
Meeting
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WG-CEMP-89
Full Name: Working Group for the CCAMLR Ecosystem Monitoring Program Location: Mar del Plata ... , Argentina Date(s): Wednesday, 23 August 1989 to Wednesday, 30 August 1989 Submissions Due: Wednesday, 9 ... Detect Changes Using the Standard Methods for Monitoring Parameters of Predatory Species P. Boveng and ... J.L. Bengtson (USA) WG-CEMP-89/07 Sensitivity Analysis for Predatory Parameters. CCAMLR Ecosystem ...
Meeting
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Krill population trends
concentrated for the last 20 years. There have been suggestions of changes in the distribution and abundance of ... data available for Antarctic krill and will present an indication of the extent and limitations of the ... Antarctic krill, based mainly on analysis of available scientific net data. There is also evidence of ...
Meeting Document : CCAMLR-IWC-WS-08/11 : Auteur(s): Tarling, G., Watkins, J., Quetin, L., Reiss, C., Atkinson, A., Ross, R., Pakhomov, E., Kawaguchi, S., Nicol, S., Siegel, V.
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Statistical problems in krill stock hydroacoustic assessments
Abstract: Two primary issues are at question for hydroacoustic assessments of krill, The first is ... for deciding what method is most appropriate, this is made even more difficult by the fact that most ... several unsatisfied needs for improvements in sampling design and tests for systematic trends in survey ... of interest would seem to be not the absolute amount of biomass present in an area, but rather how it ...
Meeting Document : SC-CAMLR-VII/BG/22 : Auteur(s): United States of America
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Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods
essential for understanding the ecological effects of fisheries. Such estimates are conventionally derived ... from research trawl surveys but video techniques afford an alternative, or complementary, approach ... spanning the continental shelf, northern continental slope, abyssal plain, and two seamounts were sampled ... demersal trawl were consistently lower than for the other methods. Macrourus spp. grenadiers were ca. eight ...
Meeting Document : WG-FSA-12/51 : Auteur(s): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
). Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988 ... -based methods more conservative in the second future year. The reasons for this discrepancy were ... limits for these species. Champsocephalus gunnari play an important role in the ecosystem of the South ... anomaly did not last for the whole of 2009, and krill had returned by the end of the year. Samples taken ...
Document : Site Section: Publications
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Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes
utilization, which are partitioned into two prey groups (i.e. feeding on bathypelagic vs. bathydemersal ... –2018, making comparisons with previous dataset obtained from the Ross Sea shelf (RSS) and the Indian ... of regional toothfish stocks, demonstrating an ontogenetic movement into deeper water from shelf ... descriptors for most trophic markers in toothfish, emphasizing both ontogenetic and geographical variability ...
Meeting Document : WG-FSA-18/21 : Auteur(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An
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Unusual breeding by seabirds at Marion Island during 1997/98
recorded, and more southern giant petrels M. giganteus did so than in any other year since 1994. For ... of northern giant petrels. Conversely, for two seabirds that feed close to the island, gentoo penguin ... Crozet shags that bred decreased; probably about 25% of the adult population did not breed. For two ... chicks of rockhopper penguins fledged with a slightly heavier mass than in other years. However, for both ...
Meeting Document : WG-EMM-03/13 : Auteur(s): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)
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Mitigation of seabird captures during hauling in CCAMLR longline fisheries
/ Description: In recent years there has been an increased focus on reducing seabird captures that occur during ... suggest that there are two key aspects of effective BEDs, firstly that they provide a deterrent to ... these two key functional characteristics into the specification of a BED to be deployed by longline ... swimming or ‘jumping’ into the area around the hauling bay. Based on this analysis, CCAMLR incorporated ... MRAG Ltd 18 Queen Street, London W1J 5PN United Kingdom Abstract In recent years there has been an ... the hauling bay. Based on this analysis, CCAMLR incorporated these two key functional characteristics ... CAMLR Convention Area and to make recommendations for moving toward prescriptive advice on a standard ... this information, albeit often on an ad hoc basis, the observers play a key role in the iterative ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Auteur(s): Reid, E., B. Sullivan and J. Clark