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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without a ... depth of longlines for given distances astern. This increase in depth is minor and unlikely to result in ... tension several metres astern (depending on sea state) and at an angle to the sea surface. Tension ... ) programmed to record depth at 0.5 m resolution every second. The TDRs were attached to the longline on 30 ... structure. For each of these last two sub-models, separate variance parameters at each depth were combined ... increasing the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Автор(ы): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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WG-CEMP-90
Program 1982 to 1990 Secretariat WG-CEMP-90/08 Raw data and development of an annual index for parameter ... ) Secretariat WG-CEMP-90/21 An effect of instrument attachment on the behaviour of chinstrap penguins D.A. Croll ... estimating the prey requirements of pinnipeds SCAR Group of Specialists on Seals WG-CEMP-90/28 Proposal for ... Full Name: Working Group for the CCAMLR Ecosystem Monitoring Program Location: Stockholm, Sweden ...
Meeting
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WG-EMM-98
Report on fine-scale krill data for the 1996/97 season Secretariat WG-EMM-98/08 Status and trends of ... and M. R. Bhoopendranath (India) WG-EMM-98/38 Investigations on midwater trawling for krill (Euphausia ... summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for ... Full Name: Working Group on Ecosystem Monitoring and Management Location: Kochi, India Date(s ...
Meeting
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Implementation of the CCAMLR Scheme of International Scientific Observation during 2017/18
the Convention Area on board fishing vessels during the 2018 season (based on data received by the ... Secretariat up to 8 October 2018). Developments in the Scheme of International Scientific Observation Program ... are discussed with several metrics of observer performance presented, demonstrating an improved ... Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for releasing ...
Meeting Document : WG-FSA-18/11 Rev. 1 : Автор(ы): CCAMLR Secretariat
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Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
Subarea 88.1 for five seasons, from 1997 to 2002. Two analyses are presented. The first (all-ground ... indices from both models show an increasing trend over the duration of the fishery, except for the 2001 ... the distribution of effort among seasons. As only four years of data are available for analysis, these ... ) from the exploratory fishery for Antarctic toothfish Dissostichus mawsoni, which has operated in ...
Meeting Document : WG-FSA-02/41 : Автор(ы): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
longest trips more of the food gathered by parents was used for self maintenance; on longest trips ... intense, appears to depend on the proximity of pack ice to nesting colonies for this penguin species ... were consumed predominantly in a year of heavy pack-ice cover; more adult krill were consumed in two ... years when pack ice was sparse. Foraging trip duration differed by colony, season and year and was ...
Meeting Document : WG-EMM-98/15 : Автор(ы): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004
previous season, but lower than the average for the past seven years. Gentoo fledging success in 2003-04 ... past seven years study. Chinstrap penguin diet contained more fish than in other years on average ... on methodology used. Fledging weights of both species increased from last year, but were below the ... eight-year mean for this parameter. Total chick meal mass was larger in both species compared to the ...
Meeting Document : WG-EMM-04/5 : Автор(ы): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)
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Differentiation of independent populations of Antarctic krill
: Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ... circulation. On the basis of the review, it is suggested that there is probably one composite population of E ... present, at least six stable cyclonic water circulations can be found and at least two or three of them ... may be habitats of independent krill sub-populations. A proposal is given for future studies into ... which two or three are large-scale (Beklemishev, 1969) and, consequently, may serve as habitats for ... -to-year and seasonal fluctuations ; 6. study of the causes of fluctuation 7. setting up of an ... INDEPENDENT POPDLATIONS OF ANTARCTIC KRILL D.S.S.R. Abstract Several countries have recently shown an ... interest in commercial krill fishing. An understanding of krill population structure is needed to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Автор(ы): USSR
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WG-FSA-01
on seabirds in the north-east Atlantic: recommendations for reducing mortality United Kingdom E. Dunn ... Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for ... . Marriott and P.L. Horn (New Zealand) WG-FSA-01/44 Longline sink rates of an autoline vessel, and notes on ... (New Zealand) WG-FSA-01/57 An update on developments toward video monitoring of seabird incidental ...
Meeting
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
the fishing effort on the different grounds, although some ‘hotspots’ for interactions were noted ... , were present during 5% of haul observations. A high inter-vessel variation was noted for interactions ... of unrecorded fish removals on stock assessment models, modifications in the behaviour of marine ... vicinity of vessels during hauling had an impact on catch rates. For these analyses the catch rates of ... hauling site. Observers reported that when vessels steamed away for between 20 and 30 n miles, killer ... the fi shing effort on the different grounds, although some ‘hotspots’ for interactions were noted ... hooked on longlines. Other mitigation measures include the weighting of gear for a faster sink rate and ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Автор(ы): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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