Search results
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... westerly winds (westerlies) determined from sea-level pressure differences across the Drake Passage ...
Meeting Document : WG-EMM-03/46 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS
Abstract: It is widely recognised that the interpretation of counts of penguin populations at ... their breeding sites during the breeding period are strongly dependent on the timing within a breeding ... season at which they are undertaken. While the need to adjust raw penguin count data obtained at varying ... times within a breeding season to minimise bias in estimates of the breeding population has long been ...
Meeting Document : WG-EMM-09/38 : Author(s): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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DEVELOPING MODELS OF ANTARCTIC MARINE ECOSYSTEMS IN SUPPORT OF CCAMLR AND IWC
is currently in draft form open to comment and is being developed to provide an introduction to the ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... organisations. It also provides an outline of the nature of modelling for these purposes and the general issues ... addressing uncertainties in this process. Lastly, it summarises the modelling platforms being developed in ...
Meeting Document : WG-EMM-08/14 : Author(s): A. Constable (Australia)
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Policy issues arising from CCAMLR inspections undertaken from HMS Protector during 2015-16
Abstract: HMS Protector, the UK Royal Navy’s ice patrol vessel, undertook a circumnavigation of ... Antarctica during the 2015-16 season. Whilst in the Ross Sea region, CCAMLR inspectors from Australia and New ... inspected in the Ross Sea during December 2015 – February 2016. During April – May 2016, in the Antarctic ... CCAMLR licensed krill fishing vessels. This paper provides some further information about the inspections ...
Meeting Document : CCAMLR-XXXV/02 : Author(s): Delegations of the United Kingdom, Australia and New Zealand
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Ross Sea region marine protected area: consequential changes to other conservation measures
Abstract: During discussions on the Ross Sea region marine protected area (RSRMPA) at CCAMLR XXXV ... in October 2016, it was noted that the implementation of Conservation Measure (CM) 91-05 would ... require revisions to a number of existing CMs (see paragraph 8.39 of the report of CCAMLR XXXV). CM 91-05 ... the proposed changes in part 1 of this paper, with an explanation of each revision. Part 2 of this ...
Meeting Document : CCAMLR-XXXVI/16 : Author(s): Delegations of New Zealand and the USA
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Evaluating MPA scenarios in Planning Domain 1 using a dynamic food-web model
Abstract: We describe a spatially and temporally dynamic food-web model of the region surrounding ... the Western Antarctic Peninsula that can be used to evaluate the potential impacts of various marine ... protected area (MPA) scenarios. We evaluate four MPA scenarios, including two representing portions of the ... General Protection Zone presented by the Delegations of Argentina and Chile (SC-CAMLR- XXXVI/18). Our ...
Meeting Document : SC-CAMLR-XXXVII/BG/04 : Author(s): Delegation of the USA
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Meta-analysis of catch reporting in CCAMLR exploratory fisheries
Abstract: The Secretariat has prepared a meta-analysis of the target and by-catch reported in ... CCAMLR exploratory fisheries (as an update to WG-FSA-15/04 Rev. 1). The number of fish belonging to ... target species divided by the total number of fish caught (the target catch ratio) is used as simple ... metric of the relative level of target and by-catch reported for each haul. This index showed little ...
Meeting Document : WG-FSA-18/14 : Author(s): CCAMLR Secretariat
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CCAMLR Staffing and Salary Strategy (2019–2022)
Abstract: In 2017 SCAF directed the Secretariat to undertake a review of its Strategic Plan and ... its Staffing and Salary Strategy. Internal and external feedback received during the review supports a ... need to increase the proportion of IP positions at the Secretariat, and to strengthen the Secretariat’s ... current and future needs. The Secretariat proposes a new Strategic Plan to deliver these changes, to ...
Meeting Document : CCAMLR-XXXVII/21 Rev. 1 : Author(s): Executive Secretary
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WG-FSA-00
documents Doc Number Title WG-FSA-00/1 Provisional and Annotated Provisional Agenda for the 2000 Meeting of ... the Working Group on Fish Stock Assessment (WG FSA) WG-FSA-00/10 Research under way on New Zealand ... seabirds vulnerable to fisheries interactions J. Molloy (New Zealand) WG-FSA-00/11 Documentation for the ... CCAMLR survey database and length-density analysis Secretariat WG-FSA-00/12 Update on the CCAMLR Website ...
Meeting
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
estimates of abundance obtained from trawl surveys conducted by means of the swept area method, using ... likelihood ratios from Aitchison's delta distribution. Simulation tests of the method show that unbiased ... estimates of density and biomass can be obtained and that the estimated confidence intervals have close to ... the nominal coverage probability. Performance deteriorates in cases where few of the hauls contain ... by means of the swept area method, using likelihood ratios from Aitchison's delta distribution ... . Simulation tests of the method show that unbiased estimates of density and biomass can be obtained and that ... the estimated confidence intervals have close to the nominal coverage probability. Performance ... deteriorates in cases where few of the hauls contain fish and the coefficient of variation (CV) is high. The ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Author(s): de la Mare, W.K