Search results
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Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter
abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised additive mixed models ... abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised additive mixed models ...
Meeting Document : WG-EMM-18/P07 : Author(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
this uncertainty in the estimate of long-term annual yield. Further discussion is needed on the choices being made ... in how the datasets are used in this assessment and the approaches being used to estimate the key ... this uncertainty in the estimate of long-term annual yield. Further discussion is needed on the choices being made ... in how the datasets are used in this assessment and the approaches being used to estimate the key ...
Meeting Document : WG-FSA-SAM-06/14 : Author(s): A. Constable, S. Candy and I. Ball (Australia)
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Research plan for toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2013/14
stating that the sensitivity run of the CASAL model should be made by using levels of IUU ranging from ... CASAL_base model includes estimated variability of YCS for the period from 1989 to 2005, and assumed that a ... modified Lincoln-Petersen (446 tonnes). The catch and tagging data in SSRU D were not enough to be applied ... estimated only by using CPUE comparison with the stock size estimates in SSRU C obtained from each method ...
Meeting Document : WG-SAM-13/21 : Author(s): Delegation of Japan
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Distribution of mackerel icefish by size-group at South Georgia
results indicate that future surveys should be designed so as to provide a uniform sampling intensity over ... Abstract: The depth distribution of C. gunnari was investigated with data from 9 groundfish ... of 8 depth strata with mean depths of 112, 137, 165, 185, 208, 230, 257 and 308 m. Fish were divided ... abundance (number of fish km?2) indicated that depth of maximum abundance increased as the size of the fish ...
Meeting Document : WAMI-01/16 : Author(s): A.W. North and I. Everson (United Kingdom)
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Small scale krill surveys: simulations based on observed euphausiid distributions
the power of surveys to reliably detect changes in mean density indicate that with probability of Type ... distributions each of which is given 4 rotations. The results indicate that the coefficient of variation (c.v ... .) of mean krill density varies inversely with mean density, and is lowest for the survey design ... I and Type II errors 0.1 and 0.2 respectively, about 100 transects would be required to detect ...
Meeting Document : WG-KRILL-91/19 : Author(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)
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Policy issues arising from CCAMLR inspections undertaken from HMS Protector during 2015-16
Peninsula region (with only UK CCAMLR inspectors on board), HMS Protector also made radio contact with four ... undertaken by HMS Protector this season and proposes that the Commission discuss a number of policy issues ... that arose during this inspection programme, in order to consider whether and how the CCAMLR System of ... Inspection could be strengthened in the future. Author(s): Delegations of the United Kingdom, Australia and ...
Meeting Document : CCAMLR-XXXV/02 : Author(s): Delegations of the United Kingdom, Australia and New Zealand
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Common by-catch species in CCAMLR longline and trawl fisheries
. References: Iwamoto (1990a and b); McMillan et al. (2012); Roberts and Stewart (2001); Smith et al. (2011 ... and b); McMillan et al. (2012); Roberts and Stewart (2001); Smith et al. (2011). CCAMLR Longline Records ... , and M. carinatus. References: Iwamoto (1990a and b); McMillan et al. (2012); Roberts and Stewart (2001); Smith ... and Stewart (2001); Smith et al. (2011). CCAMLR Longline Records: © M in ist ry fo r P rim ... Coordinator email (observer [dot] scheme [at] ccamlr [dot] org). Any other resources that can be provided to ... provide a useful resource for observers and in order to facilitate that outcome, users are encouraged to ...
Document : Site Section: Science
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Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
methodologies. Further, we propose that the first survey be a pilot, with two main objectives: (i) To ... work that could be undertaken to demonstrate the use of the results of such a survey in the provision ... , making it impossible to develop a consistent time series that would monitor trends in recruitment over ... time from the fishery. At its 2010 meeting, the Scientific Committee agreed that a time series of ...
Meeting Document : WG-SAM-11/16 : Author(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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Hobart hosts world’s experts on Antarctic marine conservation
media briefing at 10:30am. RSVP by 13 October so that security passes can be ready upon arrival. The ... consider renewing the existing arrangement with the five marine rescue coordination centres with ... year, for the first time, the Commission meeting will be chaired by South Africa. Representing the ... Medal for serving with distinction in the application of the FAO Code of Conduct for Responsible ...
Page : Site Section: The Organisation
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Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica
significant, natural top-down forcing for such a long time that it is a concept rarely considered by ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ... remains to be learned about cross-component interactions in the Ross Sea system. Should the RSShelfE be un ... opportunity to understand the processes that take place in a healthy, complete marine ecosystem. Author(s): D ...
Meeting Document : WG-EMM-04/20 : Author(s): D. Ainley (USA)