Résultats de la recherche
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Defining fishing grounds in the Scotia Sea
number of years. The quantity of interest is not only the total catch obtained from a location, say a 10 ... sufficiently high on average over a number of years. We call this value the normalised longterm average catch ... the threshold. Some simple criteria for designating fishing grounds are presented. The type of ... analytical tool needed to convert the data to a longitudelatitude grid of normalised catches and for ...
Meeting Document : WG-EMM-02/40 Rev. 1 : Auteur(s): I.R. Ball and A.J. Constable (Australia), S. Kawaguchi (Japan) and D. Ramm (CCAMLR Secretariat)
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Revised biological parameters for the Antarctic skates Amblyraja georgiana and Bathyraja cf. eatonii from theRoss Sea
unreliable, as indicated by comparison with lab staging, and the presence of very large skates scored as ... different estimates of median length at maturity. The lab estimates were based on small datasets that did ... not cover the maturation range adequately, so using them instead of the observer estimates is not ... suggested the reverse. The differences between sexes may therefore be spurious, and an artifact of ...
Meeting Document : WG-FSA-10/27 : Auteur(s): M.P. Francis (New Zealand)
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2015-16 Research plan in Division 58.4.4 for Dissostichus spp.
Abstract: Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ... expectation of tag-recapture: SSRU C at 25 tons and SSRU D at 35 tons. Author(s): Delegation of France Title ... according to CCAMLR decision rules. This paper aims to present a research plan for 2015/2016 that takes into ...
Meeting Document : WG-SAM-15/52 : Auteur(s): Delegation of France
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2016/17 in Division 58.4.3a by France and Japan
developments of CASAL integrated stock assessment models for this division in 2015, geometric mean of Chapman ... biomass estimators is used for the calculation of stock size in this division in 2015. The developing ... CASAL model has to assess stock biomass with reliable estimates of IUU removals and to define a maturity ... remain unchanged at 32 tonnes for 2016/17 to maximize the expectation of tag-recapture. Author(s ...
Meeting Document : WG-SAM-16/03 : Auteur(s): Delegations of France and Japan
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Adult male Antarctic fur seals: tourists, trouble makers or marine ecosystem sentinels?
through the partitioning of resource exploitation either temporally or spatially. Understanding the ... , characterizing the competitive interactions between these species is key to disentangling the drivers of ... functional responses of each species. We highlight this by collecting at-sea habitat use of adult male ... considered in understanding the functional response of penguins and suggest that male AFS could be a useful ...
Meeting Document : WG-EMM-2019/49 : Auteur(s): A. Lowther, C. Lydersen and K. Kovacs
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CCAMLR environmental protection measures
Secretariat has prepared this paper to review all the environmental protection-related provisions of various ... Abstract: Following Resolution 1 (2004) adopted at the Twenty-seventh Meeting of the ATCM, the ... consequences of fishing activities. It is also suggested that the Commission may wish to keep its environmental ... provisions under review in the interests of clarity and promoting cross-referencing. Author(s): Secretariat ...
Meeting Document : CCAMLR-XXIII/33 : Auteur(s): Secretariat
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An update on the Antarctic Climate Change and the Environment (ACCE) report
Abstract: Abstract This background paper is the first of a series of yearly updates to the SCAR ... other environmental scientists are concerned with: The separation of natural climate variability from ... provide future updates, a summary of which will be provided to CCAMLR. Author(s): Submitted by SCAR Title ...
Meeting Document : CCAMLR-XXIX/BG/17 : Auteur(s): Submitted by SCAR
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Research plan to investigate finfish distribution and abundance in Subareas 48.1 and 48.2
provide information on finfish distribution, abundance and size composition, with the objective of ... determining the current status of fish stocks in the study area. Research fishing will be limited to 100 ... tonnes of finfish per season. The notification was submitted on 4 June 2013. Author(s): Submitted by ... the Secretariat on behalf of Chile Title: Research plan to investigate finfish distribution and ...
Meeting Document : WG-SAM-13/14 : Auteur(s): Submitted by the Secretariat on behalf of Chile
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Research plan to investigate finfish distribution and abundance in Subareas 48.1 and 48.2
provide information on finfish distribution, abundance and size composition, with the objective of ... determining the current status of fish stocks in the study area. Research fishing will be limited to 100 ... tonnes of finfish per season. The notification was submitted on 4 June 2013. Author(s): Delegation of ...
Meeting Document : WG-FSA-13/10 : Auteur(s): Delegation of Chile
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Stock assessment and proposed TAC for Antarctic toothfish (TOA) in the Subarea 88.2 H in the season 2014–2015
is presented in this paper. Calculated stock value of the Antarctic toothfish in the Subarea 88.2 H ... Abstract: Stock assessment of the Antarctic toothfish in the Subarea 88.2 H using Peterson method ... is 9307 t with 95% confidence interval ranging from 7502 t to 11967 t. In 2014-2015 values of ... potential catch with incomplete taking of 3%, 5% and 10% were determined as 280 t, 465 t and 931 t ...
Meeting Document : WG-SAM-14/08 : Auteur(s): S.M. Goncharov and A.F. Petrov (Russia)