Search results
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Comparison of Champsocephalus gunnari catches in Subarea 48.3 from1994–97 and 2013 cruises
Abstract: The local densities of Champsocephalus gunnari observed in the 2013 survey are ... sampled was found. The comparison of the length distribution functions suggests that the stock depletion ... in the early 1990’s was due to recruitment collapse, probably a consequence of overfishing. Author(s ...
Meeting Document : WG-FSA-13/65 : Author(s): E. Marschoff and P. Martínez (Argentina)
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Modelling krill recruitment
Abstract: A method is developed for using observed values of the mean proportion of recruits and ... its variance to model recruitment in a krill population in terms of numbers of recruits. The method ... includes the calculation of natural mortality and other parameters consistent with the observed ... which are consistent with the statistical uncertainty in the observed recruitment parameters. Author(s ...
Meeting Document : WG-KRILL-93/13 : Author(s): W. de la Mare (Australia)
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New CCAMLR Brochure
Abstract: The Secretariat proposes to develop an up-to-date, accurate, well-presented brochure ... describing the work of CCAMLR that is accessible for the general public. It would include relevant images and ... infographics to make the resource visually accessible. The proposal is to develop this brochure and consult on ... it through an e-group in the 2018/19 intersessional period. Author(s): CCAMLR Secretariat Title ...
Meeting Document : CCAMLR-XXXVII/16 : Author(s): CCAMLR Secretariat
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
) were made at a frequency of 120 kHz in a chilled insulated tank at the Long Marine Laboratory in Santa ... Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... strengths determined from each echo. A method was developed for estimating the three-dimensional orientation ...
Meeting Document : WG-EMM-99/42 : Author(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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Summary of VME notifications made under Conservation Measures 22-06 and 22-07
the Secretariat of encounters, and potential encounters with vulnerable marine ecosystems (VMEs ... ). Notifications are made either under CM 22-07 in the case of encounters with potential VMEs during the course of ... bottom fishing, or under CM 22-06 in other cases such as during research surveys. The Secretariat ... 22-06); no new notification has been submitted so far in 2009/10. The encounters were notified from ...
Meeting Document : WG-EMM-10/07 : Author(s): Secretariat
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Proposal for continuation of Australia’s research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2)
rules remain to be determined for these Divisions. The 2015/16 season was the first of a three-year ... . Australia will present to WG-SAM-2016 a full report on the fishing operation, catch composition, tagging and ... the original research plan set out in WG-FSA-15/47 Rev. 1, and propose continuation of this research ... in the 2016/17 season. Ongoing standardised longline fishing, in conjunction with fish biological ...
Meeting Document : WG-SAM-16/09 : Author(s): Delegation of Australia
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Long-distance movements of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) from fishery-based mark-recapture data
Ecuador to Uruguay, and in the sub-Antarctic and Antarctic while Antarctic toothfish (D. mawsoni) are ... found closer to the Antarctic continental shelf and generally south of the Polar Frontal Zone. Data from ... existing tagging studies indicate that both species are generally non-migratory with the majority of ... 067 fish tagged and released of which 2 072 (3.0%) have been recaptured; the median distance between ...
Meeting Document : WG-FSA-17/06 : Author(s): CCAMLR Secretariat
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
of that kind. The present study attempts to implement this estimator in the form of a parametric ... the R language for statistical computing (R Development Core Team 2008). Software is reliant on data ... this kind are accommodated, such as availability and perception bias, as well as many of the vagaries ... to a common reference point of breeding chronology. Equally important was the idea that estimates of ...
Meeting Document : WG-EMM-PSW-08/11 : Author(s): J.P. McKinlay and C.J. Southwell (Australia)
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Southern Ocean fishing vessel management
Abstract: This paper provides an update on the development of safety measures for non-SOLAS ... vessels, including fishing vessels, by the International Maritime Organization (IMO) and refers to ... initiatives aimed at the implementation of the IMO’s Polar Code. It also elaborates on the development of an ... action plan to address marine plastic pollution from shipping by the IMO. ASOC calls on CCAMLR and its ...
Meeting Document : CCAMLR-38/BG/47 : Author(s): Submitted by ASOC
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New research consistent with a proposed draft Research and Monitoring Plan for a Ross Sea region MPA
Abstract: In 2013 New Zealand and the USA submitted a draft research and monitoring plan to ... accompany a proposal for a Marine Protected Area in the Ross Sea region. In this paper we describe new ... activities identified therein. We also identify new research proposals submitted in the past year that are ... also expected to address priority activities identified in the plan. All CCAMLR Members are encouraged ...
Meeting Document : SC-CAMLR-XXXIII/BG/24 : Author(s): Delegations of New Zealand and the USA