Résultats de la recherche
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Hydroacoustic survey of elephant island and the vicinity of King George Island, austral summer 1989
Abstract: The hydroacoustic survey found a high krill abundance in the Elephant Island area (a ... “superswarm" not unlike 1981) and a very low abundance in the King George Island area compared to last ... years survey. The total biomass in the vicinity of Elephant Island estimated from 200 kHz survey data ... was 940 k tons with only 34 k tons in the King George Island/Bransfield Strait. The survey results ...
Meeting Document : SC-CAMLR-VIII/BG/33 : Auteur(s): Delegation of USA
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Estimating the level of illegal fishing using simulated scaling methods on detected activity
whether the method for estimating catches from illegal, unregulated or unreported (IUU) fishing developed ... , Annex 5, paragraph 3.18). The results of these simulations suggest that more information on IUU fleet ... the number of IUU fishing days, particularly for areas where patrolling may be relatively infrequent ... or prone to evasion. Also, the assessment method may need to be refined to take these issues into ...
Meeting Document : WG-FSA-SAM-04/14 : Auteur(s): Ball, I.
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (CCAMLR Subarea 48.3), Antarctica, during austral winter from 2002 to 2008
Abstract: Species composition and abundance of myctophid fish were analyzed using the fish ... bycatch samples collected by scientific observers onboard Japanese commercial krill fishing vessels in the ... area north and northwest of South Georgia, Antarctica during the austral winter from 2002 to 2008. A ... total of 9 myctophid species were identified in the by-catch samples, among which Krefftichthys ...
Meeting Document : WG-EMM-10/22 : Auteur(s): T. Iwami, M. Naganobu, K. Taki and M. Kiyota (Japan)
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A preliminary CASAL population assessment of Patagonian toothfish in CCAMLR Subarea 48.4 based on data for the 2009–2014 fishing seasons
. eleginoides) in Subarea 48.4. The assessment data are updated with the observations for the 2013/14 season and ... sensitivity analyses conducted using the maturity ogive from the area 48.3 and revised growth assumptions. The ... revised assessment is compared with the previous assessment for this stock. Stock projections indicate ... that an annual yield of 40 tonnes is consistent with the application of the CCAMLR harvest control rule ...
Meeting Document : WG-FSA-14/29 Rev. 1 : Auteur(s): V. Laptikhovsky, R. Scott, M. Söffker and C. Darby (United Kingdom)
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Spanish research proposal for the 2016/17 season in Division 58.4.1
Abstract: In the 2012/13 fishing season Spain began the implementation of a multi-annual Research ... , results have to be analyzed in the coming months but some doubt about the reliability of data could be ... express due to accessibility problems by the ice cover and traces of IUU fishing found in the proposed ... provide a reliable data set to lead to an integrated stock assessment of the target species, Spain intends ...
Meeting Document : WG-SAM-16/10 : Auteur(s): Delegation of Spain
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Preliminary report on the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and associated field camps in January–February 2016
Abstract: This paper briefly describes the rationale and structure of the research cruise that ... formed a key component of the co-ordinated, multi-national South Orkney Ecosystems Studies focusing on ... the krill-based ecosystem in the main fishing area in Subarea 48 undertaken in the austral summer of ... 2015-16. The research cruise consisted of collection of at-sea data on the distribution, abundance and ...
Meeting Document : WG-EMM-16/19 : Auteur(s): J. Watkins, O.R. Godø, S. Fielding, C. Reiss, P. Trathan and E. Murphy
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Background papers considered relevant to the WG-EMM discussions on feedback management
populations across the Antarctic Peninsula. The Antarctic Site Inventory data, together with data from other ... Abstract: The United Kingdom has contributed funding to the US-based non-governmental ... organisation Oceanites, to support its ongoing Antarctic Site Inventory project, which monitors penguin ... (MAPPPD) which is on a publicly available website (Humphries et al. In Press). The data summary and ...
Meeting Document : WG-EMM-16/44 : Auteur(s): Delegation of the United Kingdom
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A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey
Abstract: The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... vicinity of Heard Island and the McDonald Islands during April 2017. This paper provides an updated growth ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2017 survey showed a large 3+ cohort dominating the population. An updated ...
Meeting Document : WG-FSA-17/22 : Auteur(s): D. Maschette, P. Burch, P. Yates and D. Welsford
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On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements
Abstract: It was shown that potential increase in krill fishery in the immediate future ... , accompanied by introduction of highly intensive fishing and processing technologies call for studying the ... fishery influence on ecosystem components beyond the framework of traditional investigations of predator ... location, fishing effort, etc.), the trawl design and fishing method should be considered as a constituent ...
Meeting Document : WG-EMM-06/27 : Auteur(s): S.M. Kasatkina and V.A. Sushin (Russia)
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Detecting trends in the krill fishery
Abstract: The development of the krill fishery can be monitored and predicted using a number of ... different sources of information. Information on current catches and scientific information on the krill ... stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... of their future plans are also of limited use because they ultimately depend on the underlying ...
Meeting Document : WG-EMM-02/25 : Auteur(s): S. Nicol and J. Foster (Australia)