Search results
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Antarctic's pelagic ecosystem: how environmental change will affect Salpidae population structure
in the summer season of 2010. It has been found that the horizontal distribution of this gelatinous zooplankter ... . The central part of the Drake Passage was characterized by a dominance of blastozooids, with embryos found ... of 2010. It has been found that the horizontal distribution of this gelatinous zooplankter ... , with embryos found in different stages of development. Only in the region of South Shetland Island ...
Meeting Document : WG-EMM-15/P08 : Author(s): A.W. Słomska, A.A. Panasiuk-Chodnicka, M.I. Żmijewska and M.K. Mańko (Poland)
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Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions
in muscle on δ 13 C in a way that did not compromise the accuracy of δ 15 N measurements. We found ... , location, depth or year of capture. We found statistically significant but small relationships between δ 15 ... . This study found that δ 13 C values of toothfish in the Amundsen Sea region were substantially higher than ... in muscle on δ13C in a way that did not compromise the accuracy of δ15N measurements. We found ...
Meeting Document : WG-EMM-14/50 : Author(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)
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Vulnerable Marine Ecosystems (VMEs)
protocols for fishing vessels. A range of Conservation measures have been put in place by CCAMLR to address ... and the Law of the Sea (UNICPOLOS). In turn, many UNICPOLOS recommendations have been endorsed by the ... characterised by extremely limited data on both the prevailing bottom topography and associated benthic marine ... ecosystems. This is exemplified by the proportion of new species discovered by recent focused research ...
Page : Site Section: Science
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Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
the west of the region (SSRU 881B), yet adult Antarctic toothfish are found much further east and north ... , fatter, female fish move to the north for spawning during winter. Evidence to date found no change ... the west of the region (SSRU 881B), yet adult Antarctic toothfish are found much further east and north ... , fatter, female fish move to the north for spawning during winter. Evidence to date found no change ...
Meeting Document : WG-FSA-18/40 : Author(s): Delegation of New Zealand
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e-sc-xxx-a08.pdf
... traced to the warp manufacturer using bitumen-based warp grease. The bitumen-based grease was found ... there were a number of items of fishing gear found in areas where fishing has been prohibited for over two ... , 48.2, 48.3 and 58.7. Results indicate that the types of debris found are generally non-fishing items ... such as packaging items and wood. A decrease in the number of plastic packaging bands found in beach surveys ... ................................................................... 421 Reporting hydrocarbon soiling on seabirds reported by observers ..................... 422 ... Priorities for data collection by observers ................................................ 422 ... Group. 1.5 The report was prepared by the participants and includes a list of participants (Appendix ... reporting formats for this data are currently under development by ACAP. Members are encouraged to
application/pdf attached to:WG-IMAF-11Meeting Report : WG-IMAF-11
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Information Note for the Spatial Management Workshop and WG-EMM
in the summer months. A full range of B&Bs, guest houses and hotels can be found online or through the usual ... . A full range of B&Bs, guest houses and hotels can be found online or through the usual booking ...
Page : Site Section: Meetings
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Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen
sexes were found, estimating von Bertalanffy parameters for males to be L ∞ = 95.9, K = 0.12, t 0 = –4.6 ... to be between 0.09 and 0.12. Significant differences in age-at-length data between sexes were found, estimating ... data between sexes were found, estimating von Bertalanffy parameters for males to be L∞ = 95.9 ... was found, as measured by the 99 percentile, to be 36 years for fi sh collected from the Northern Pride ... Bertalanffy model to the age-at-length data, small differences were found in parameter estimates between ... Kerguelen terpretation of annuli laid down before maturity. Changes in criteria, as found over the course ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Author(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko
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e-imaf-04 report.pdf
... Zealand fishing industry representative, visited fishing companies and French administration at La ... and configurations and these were found to be very useful in reducing seabird mortality. Significant reductions ... commended the high level of feedback from the administration to vessel captains, companies and observers ... tuna fishery found that blue-dyed bait was more effective than a streamer line at reducing seabird ... Secretariat by international and national observers during the course of the 2003/04 fishing season. 7.3 ... intersessional activities for 2004/05, compiled by the Convener and Science Officer, be appended to its report ... mortality observed (Table 7.1). The estimated total catch of seabirds by vessel was calculated using each ... vessel’s observed catch rate multiplied by the total number of hooks set. 2 Subarea 48.3 7.8
application/pdf attached to:Ad Hoc WG-IMAF-04Meeting Report : Ad Hoc WG-IMAF-04
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
τ - = - -å . (15) In simulation studies this last form of the like- lihood for number of recaptures was found ... number of recaptures-at-age and model the population numbersat- age by annual difference equations ... obtained by integrating an ordinary differential equation (ODE) for within-year population dynamics. The ... perturbation by observational error were also carried out for each model in order to investigate the effect on ... so for the BODE model. The reason for this is explained by the confounding of selectivity parameter ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Author(s): Candy, S.G.
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
the various areas could not be found, because vessels tend to fi sh predominantly in one area and thus ... , unregulated and unreported (IUU) catches of fish and by-catch of birds. It utilises high quality, well ... ’ and ‘unseen’ IUU fishing by using a simulation model to arrive at statistically rigorous estimates of ... , and confidence intervals for, fish and bird catches by IUU vessels. In order to estimate an IUU catch ... interpreted as zero IUU fishing. For each IUU incident detected by the FPV, a theoretical maximum time over ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood