Résultats de la recherche
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Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
markedly higher than the other two years. Meanwhile, much more swarms (1055) were detected in February 2018 ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... in March 2015 compared with those in December 2013, January 2016 and February 2018, although the ... using the swarm-based method established in SG-ASAM-17. Acoustic data were collected from the FV Fu Rong ...
Meeting Document : WG-EMM-18/42 : Auteur(s): X. Yu, X. Wang and X. Zhao
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A hybrid approach to acoustic classification and length estimation of krill
the acoustic estimates of species and sizes to net samples collected during three surveys conducted in ... animal measurement. For small school- ing organisms, such as euphausiids, this criterion is seldom met ... estimated confi dently in the interval (amin – amax) where 100|δ| < 20%, for a given dΔ. The mean length ... (Table 1). The limits of each size class can be established by a per- centage error < 20% in the radius ... of species and sizes to net samples collected during three surveys conducted in the Ross Sea under ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Auteur(s): Azzali, M., I. Leonori and G. Lanciani
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SC-CAMLR-SSP/8
studies revealed a considerable variation in the importance of each of these prey items from year to year ... of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986/87). Catch-per ... clarification of survey techniques used in stock assessment. For a number of years scientists of AtlantNIRO ... solamente. 1. IN1RODUCTION Scientists of several nations have in recent years carried out stock ...
Document : Site Section: Publications
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Groupe de travail sur la mortalité accidentelle liée à la pêche (IMAF)
-IMAF met annually until 2009 when, in response to the reductions in incidental mortality of seabirds ... , the decision was made to meet in alternate years. From 2011 to 2021 it did not need to meet. Following ... In response to concerns over the decline in albatross populations, and the potential for this to ... be exacerbated by interactions with CCAMLR fisheries, the Commission undertook initial discussion in ...
Page : Site Section: Science
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e-sc-xxvi-a4.pdf
... methods described in WG-EMM-07/30 Rev. 1 were consistent with currently agreed acoustic protocols, as ... . In particular, he thanked Drs D. Agnew (UK), Demer and Kawaguchi who coordinated discussions under ... of 37.29 million tonnes and CV estimate of 21.20% presented in WG-EMM-07/30 Rev. 1 represent the ... Summary of changes in acoustic protocols since the CCAMLR-2000 Survey .... 169 Current protocols for the
application/pdf attached to:WG-EMM-07Meeting Report : WG-EMM-07
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e-sc-xxxiv.pdf
... ) The fishery has become concentrated in some SSMU-scale areas in recent years (WG-EMM-15/30, Appendix ... Resources met from 19 to 23 October 2015 at the CCAMLR Headquarters in Hobart, Tasmania, Australia. The ... : (i) the Subgroup on Acoustic Survey and Analysis Methods (SG-ASAM) met in Busan, Republic of Korea ... , Assessments and Modelling (WG-SAM) met in Warsaw, Poland, from 29 June to 3 July 2015 (Annex 5) and was
application/pdf attached to:SC-CAMLR-XXXIVMeeting Report : SC-CAMLR-XXXIV
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e-sc-xxx.pdf
... fisheries ............................................................. 20 Progress on assessments in ... Antarctic Marine Living Resources met from 24 to 28 October 2011 at the CCAMLR Headquarters in Hobart ... ). 2 Chair’s report 1.8 The following meetings took place in 2011: (i) WG-EMM met in Busan ... -sponsored research in data-poor toothfish fisheries being proposed and agreed this year. 2.4 The
application/pdf attached to:SC-CAMLR-XXXMeeting Report : SC-CAMLR-XXX
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e-sc-iii-a8.pdf
... , catches have been dominated by 3-year-old, 25–30 cm fish so that variability in annual caches reflects ... average, 30-40,000 tons, whereas recent year-classes, as judged by the decline in stock arising from ... series of c.p.u.e. values in different years for the same small area and time division in each year, in ... , vary considerably from year to year, but, with reservations due to changes in target species, suggest
application/pdf attached to:WG-FSA-84Meeting Report : WG-FSA-84
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CDS Implementation and Data Analysis
the CDS. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ... the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... imports was by the United States of America (USA) in both years, followed by China. Analysis of supply ... Abstract: The CDS was effectively implemented in 2019 by 16 Member States, three Acceding States ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Auteur(s): CCAMLR Secretariat
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Proposition avancée par la Fédération de Russie concernant les ressources disponibles pour mener des recherches dans les SSRU des sous-zones 88.1 et 88.2 qui sont fermées à la pêche
Abstract: Over the last three to four years the question has been raised in working groups and ... the CCAMLR Scientific Committee regarding the provision of resources for research in open and closed ... SSRUs in the Ross Sea. According to established practice and as a rule, if the research was conducted in ... that SSRU. If the research was carried out in closed SSRUs, then, as a rule, the TAC was taken from the ...
Meeting Document : SC-CAMLR-XXXIV/12 : Auteur(s): Делегация Российской Федерации