Search results
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Patterns and processes in the distribution and dynamics of Antarctic krill
spatially variable growth rates of krill, krill loss rates due to predators, and density-dependent ... spatially variable growth rates of krill, krill loss rates due to predators, and density-dependent ... variable growth rates of krill, krill loss rates due to predators, and density-dependent attraction ... summer 1981; the middle panels in Figure 2 indicate strong coherence in the distributions. Weber et al ... availability; 2. Krill loss rates are functions of predator abundance; 3. On broad scales, the assumption ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Author(s): Levin, S.A., A. Morin and T.M. Powell
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
. Trips considered to have “known” good tagging data are identified, based on above-median rates ... of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A bootstrap ... is sensitive to the set of trips considered to have good data. However, a restricted set of data quality ... metrics may be most powerful in distinguishing the trips considered to have good tagging data ...
Meeting Document : WG-SAM-09/19 : Author(s): D.A.J. Middleton and A. Dunn (New Zealand)
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
. The mortality resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea ... resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 ... , vessel and SSRU. The spatial dis- tribution of the number of sets with positive hook loss and the number ... 2 0. 04 7 Ta bl e 5: R ep or te d ho ok lo ss ra te b y in di vi du al v es se ls ... t yp e ea ch v es se l fis he d. ‘ na ’ de no te s th at t he v es se l di ... the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 Antarc- tic toothfish ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Author(s): Webber, D.N. and S.J. Parker
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Saga Sea krill harvesting and production
and krill protein concentrates. The vessel has so far carried out two fishing trips since 19 June 2006 ... . The last trip started in September. The vessel carries an UK (MRAG) international scientific observer ... concentrates. The vessel has so far carried out two fishing trips since 19 June 2006. The last trip started ...
Meeting Document : WG-FSA-06/20 : Author(s): T. Williksen (Norway)
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Report on the CCAMLR Marine Debris monitoring program: 2018 update
, the marine debris program will be expanded to include data on gear loss reported from vessels and observers ... , the marine debris program will be expanded to include data on gear loss reported from vessels and observers. ...
Meeting Document : WG-FSA-18/18 : Author(s): CCAMLR Secretariat
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
near the coast, but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland East ... near the coast, but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland East ... mostly beyond the shelf but also over the shelf near the middle of the north-east coast of South Georgia ... , but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland East Bay the early stages ... oceanicas. Durante el invierno, en el fiordo de 265 m de profundidad de la bahia de Cumberland East, las ... a study in the fiord of CUmberland East Bay during 20 September to 5 october, 1983, approximately one ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Author(s): North, A.W.
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
feedback management as an approach that ‘will use decision rules to adjust selected activities (dis ... 7 and dis- cussed in ‘Results’. State estimation In living resource management in general, and EBM ... the equations of Constable (2001), and harvesting and movement are represented with additive loss or gain ... ) and estimation theory (e.g. Luenberger, 1966; Kwakernaak and Sivan, 1972) have given con- siderable attention ... Control of the Antarctic krill fishery Abstract / Description: CCAMLR aims to develop a feedback approach ... to aid ecosystem-based management (EBM) of Antarctic krill fisheries. It is important to assess ... and uncertain conditions typical of Antarctic marine ecosystems. This study used Model Predictive ... spatially resolved annual catch limits in response to estimates of the state of the system. It suggests that ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon
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WG-IMAF-11
the middle of winter during the fishing season in Subarea 48.3 J. Brown (United Kingdom) WG-IMAF-11/09 ...
Meeting
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e-sc-xi-a7.pdf
... with Method A4. Method A5 - Duration of Foraging Trips 5.10 Data from this method yield separate ... period were thought to be in error (foraging trips were unrealistically short) and it was left ... Group noted the striking variability in foraging trip duration of Adélie penguins at Palmer Station ... relationship between the variance in trip duration and the degree of patchiness in the prey availability ... nature of the problem. 5.11 The Working Group noted the striking variability in foraging trip duration ... have verified that there is a negative correlation between annual estimates of foraging trip duration ... e-sc-xi-a7.pdf CEMP92text.doc ANNEX 7 REPORT OF ... , 1992) 1 REPORT OF THE WORKING GROUP FOR THE CCAMLR ECOSYSTEM MONITORING PROGRAM (Viña del
application/pdf attached to:WG-CEMP-92
Meeting Report : WG-CEMP-92
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Analysis of the stomach content in the blue-eyed shag Phalacrocorax atriceps bransfieldensis at Nelson Island, South Shetland Islands
or loss of the otoliths through the gastrointestinal tract. The analysis of the stomach contents ... is complemented with information on shags’ foraging trips, obtained in the field by film records. Author ... the errors arose from the examination of regurgitated casts, like erosion by digestion or loss ... with information on shags’ foraging trips, obtained in the field by film records. ...
Meeting Document : WG-CEMP-94/31 : Author(s): N. Coria, R. Casaux, M. Favero and P. Silva (Argentina)