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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
intervals should be used. Results suggested that seabird by-catch on lines using effective weighting regimes ... for toothfish (Dissostichus spp.). Three regimes were examined, with weights of 4.25, 8.5 and 12.75 kg ... may be even further reduced where all lines being set in the vicinity use effective line-weighting ... conditions may be held as constant as possible within experiments, the ability to separate treatment effects ... kg at 40 m intervals should be used. Results suggested that seabird by-catch on lines using ... , longlines were set during the day so that birds would be caught; however, all other provisions of ... interact with the vessel during setting operations. From early sets it was found that the high number ... were evenly distributed on normal quantile plots. The number of effects that could be considered was ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Автор(ы): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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SC-CAMLR-SSP/5 – Part I, 1988
PHYTOPLANKTON DISTRIBUTION IN THE MIXED LAYER: IMPLICATION TO KRILL ABUNDANCE, H. Yamazaki and T. Osborn ... surveys be planned to operate in small areas concurrently with fishing vessels. * Revised and extended ... ); essentially, since catch rates are best in this period, it seems likely that future krill fishing will be ... fishing now takes place). The overriding concern was that initial modelling attempts should be aimed at ...
Document : Site Section: Publications
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Data from krill questionnaire
fishing in Subarea 48.1 in March-June 2001; five questionnaires were completed. Submission of these data ... were delayed due to email communication problems with the vessel. This is the first set of ... questionnaires to be completed and returned to the Secretariat. Author(s): Secretariat Title: Data from krill ...
Meeting Document : WG-EMM-01/70 : Автор(ы): Secretariat
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e-sc-xxiv-a4-appD.pdf
... predator demand; (v) spatially explicit indices of krill availability that may be monitored or estimated ... workshop: (i) to consider the range of datasets that would be necessary to initialise any models ... functional assumptions that would be relevant to the dynamics of the predator–krill–fishery system and the ... be likely to produce results that were robust or sensitive both to the initialisation data and
application/pdf attached to:WMP-05
Meeting Report : WMP-05
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
of 103 individual whales to be identifi ed. The analysis of photoidentification indicated that a ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... marine mammal species alone or in co-occurrence. In the Crozet EEZ, CPUE was found to be reduced by 22.5 ... of 103 individual whales to be identifi ed. The analysis of photo- identifi cation indicated that a ... with the killer whale depredation on longlines. Indeed, observers reported that Crozet archipelago ... interacting with the fi shery: sperm whales, killer whales and fur seals. Both single- and mixed-species ... . gazella) breed, and it would be possible for both species to interact with the fi shery. Therefore, in ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Автор(ы): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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ANALYSIS OF VME DATA COLLECTED BY UK VESSELS FISHING IN THE ROSS SEA DURING THE 2008/09 CCAMLR SEASON
, not previously detected. A second objective was to determine whether a relationship could be ... Indicator Units (corresponding with the levels at which notifications to the Secretariat were triggered) to ... determine a meaningful relationship beyond a suggestion that 5 VME Indicator units was approximately ... ): Peatman, T., Mitchell, R.E., Pearce, J., Agnew, D.J. Title: ANALYSIS OF VME DATA COLLECTED BY UK VESSELS ...
Meeting Document : WS-VME-09/05 : Автор(ы): Peatman, T., Mitchell, R.E., Pearce, J., Agnew, D.J.
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Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
timings and to validate annulus formation. Although in the literature it has been reported that N. rossii ... between February and March and another in winter between July and August. The maximum and minimum ages ... , belonging to biological ages 0+ and 1+ that hatched respectively in summer and winter. The growth rate of N ... . rossii fingerlings in Potter Cove was estimated between 0.26 and 0.31 mm/day, which is equivalent to that ...
Meeting Document : WG-FSA-12/04 : Автор(ы): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
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Some aspects of the by-catch fish spawning and oogenesis
, D039;Urville, Ross and.mundsen Seas) it was established that spawning of C. dewitti and species X ... continental shelf at depth of 300-600 m during summer season (may be autumn for sp. X) of the southern ... species is supposed to be a monocyclic. The revealed aspects and uncertainty factors available at present ... concerning knowledge of by-catch fish reproductive biology should be taken into account while managing ...
Meeting Document : WG-FSA-10/51 : Автор(ы): V. Prutko (Ukraine) and D. Chmilevsky (Russia)
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History of development and completion of tasks put forward by WG-EMM (1995–2000)
meetings (WG-EMM-00/29). The Working Group requested that the review should be updated annually. The 2001 ...
Meeting Document : WG-EMM-01/4 : Автор(ы): Secretariat
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Наблюдения, связанные с ННН промыслом в Районе АНТКОМ 58 и в ИЭЗ Франции вокруг о-вов Кергелен и Крозе в сезоне 2013/2014 г., и Сводка этих наблюдений за 10 лет с 2004 по 2014 г.
these efforts should be continued. Indeed, with the exception of one year, vessels on CCAMLR’s IUU list ... Abstract: This report summarises observations made by France with regard to illegal fishing from ... 23 August 2013 to 23 August 2014. It covers Statistical Subarea 58.6 and Divisions 58.5.1 and 58.5.2 ... French naval frigate, of a fishing vessel in the Crozet EEZ, along with the regular recovery of illegal ...
Meeting Document : CCAMLR-XXXIII/19 : Автор(ы): Délégation française
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