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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
Paper Title: The sensitivity of multiple output statistics to input parameters in a krill ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... Drake Passage. The model analysed here required 2 311 input values for each of four scenarios and ... the status of predator groups more than they affected statistics indicating the status of the target ... abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance of the ... abundance of the relevant component is <75% of the abundance in equivalent no-fishing trials at the end ... equivalent no-fishing trials at the end of the recovery period. Predators SSMU Services (II.2 the term ... ; ( ), , ,expi t i t i j sj iS Z v ®¹= - -å (4) is the proportion of the krill stock in SSMU i at the beginning ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Автор(ы): Hill, S.L. and J. Matthews
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
. There was also some evidence that more fish are recaptured after a longer time at liberty on the slope ... the north of the Ross Sea, after 4 years at liberty. Analysis of tag recapture rates suggested some ... Abstract: The descriptive analyses of the toothfish tagging programme carried out in Subareas ... 88.1 and 88.2 since 2001 are updated, including data for the 2007 season for all vessels. This paper ...
Meeting Document : WG-FSA-07/40 : Автор(ы): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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Submission of papers to meetings of the Working Groups
working papers and background papers (SC-CAMLR-XXIII, paragraph 12.15). 7. Papers submitted after the ... at any time. However, if such corrections are made after the deadline, then the author(s) must ... SUBMISSION OF PAPERS TO MEETINGS OF THE WORKING GROUPS 1. Papers must be submitted by email to the ... Secretariat (webmaster [at] ccamlr [dot] org) by no later than 0900 h on the day which is exactly two weeks ...
Page : Site Section: Meetings
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... longline fishery for Antarctic toothfish (Dissostichus mawsoni) has been carried out in the Ross Sea region ... since the late 1990s. No fishery-independent methods of monitoring stock abundance were plausible, and ... , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ... ). A pilot mark- recapture program was initiated by New Zealand vessels in 2001 and after the ... at 50% B0 at the end of the projection. A number of sensitivity analyses were carried out. These ... recruitment multipliers); y_enter is the number of years after it is spawned that a year class enters the ... south of the Antarctic Con- vergence (Gon and Heemstra, 1990). Finfish fisheries in Antarctic waters ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Автор(ы): Mormede, S., A. Dunn and S.M. Hanchet
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Birds: Trophic modelling of the Ross Sea
Description / Abstract: A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... mailto:mhpinkerton@hotmail.com (respectively) 77.9, 74.4 and 76.0%, respectively. The study states: “After ... region each year at the end of the breeding season. This export will be offset by the breeding adults ... to be heavier on average than those leaving the study area after breeding, suggesting a net import ... typically between mid-July and the beginning of August (Dewey 1999). Freshly hatched emperor penguin chicks ...
Document : Site Section: Publications
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Update on software development for analysing nest camera images through the CEMP Special Fund
project for completion towards the end of 2018. Author(s): C. Southwell, H. Achurch, J. Cusick, A. Lashko ... Abstract: We provide a brief update on the software developed for assessing nest camera images ... through the CEMP Special Fund project ‘Developing an image processing software tool for analysis of camera ... consultation with the CCAMLR nest camera community. Here we describe development of the software, the ...
Meeting Document : WG-EMM-18/28 : Автор(ы): C. Southwell, H. Achurch, J. Cusick, A. Lashko, K. Newbery, A. Sikka and L. Emmerson
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Marine Ecosystem Assessment for the Southern Ocean – Brief Report, June 2018
Abstract: A Marine Ecosystem Assessment for the Southern Ocean (MEASO) is a quantitative ... assessment of the status and trends of habitats, species and food webs in different regions. It aims to ... provide a common foundation for all end-users on which science can be developed, and policies and ... Assessment for the Southern Ocean – Brief Report, June 2018 Microsoft Word File: emm-18-14.docx Approval ...
Meeting Document : WG-EMM-18/14 : Автор(ы): A. Constable
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Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2019 season
seal morality event which occurred at the end of the 2018 season. Incidental mortality numbers for ... during fishing activities undertaken during the 2019 season. A short report is also detailed on a large ... longline fisheries in which seabird mortalities have been reported are presented with the data from ... observers and vessel supplied data. Based on data received up to 8 October 2019, the extrapolated total ...
Meeting Document : WG-FSA-2019/16 Rev. 2 : Автор(ы): CCAMLR Secretariat
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The Ross Sea region Marine Protected Area Research and Monitoring Plan (WG-SAM 2017)
-group or to the conveners directly. These comments attached at the end of this document. Author(s): A ... Abstract: The Ross Sea region MPA Research and Monitoring Plan Workshop (WS-RMP) was held at the ... April 2017. The purpose of the workshop was to develop a draft research and monitoring plan (RMP) for ... the Ross Sea region MPA. The RMP is required to be introduced to CCAMLR at the annual meetings of the ...
Meeting Document : WG-SAM-17/42 : Автор(ы): A. Dunn, M. Vacchi and G. Watters
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
conducted at the end of the 1997 fishing season would allow for a catch limit on the Heard plateau of 900 ... Abstract: Assessments of the abundance and potential yield of mackerel icefish (Champsocephalus ... gunnari) populations at Heard Island are developed from the results of four scientific surveys conducted ... in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required, based ...
Meeting Document : WG-FSA-97/29 : Автор(ы): de la Mare, W.K., Constable, A., Williams, R.
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