Resultados de la búsqueda
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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 : Autor(es): 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 ... (MAPPPD) which is on a publicly available website (Humphries et al. In Press). The data summary and ... analysis together with the methods described within Lynch et al. (2010), provide methods that are of direct ...
Meeting Document : WG-EMM-16/44 : Autor(es): Delegation of the United Kingdom
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Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region
Abstract: In 2016, scientists from the USA and New Zealand undertook a collaborative initiative ... to deploy pop-off satellite archival (PSAT) tags on Antarctic toothfish (Dissostichus mawsoni) on the ... southern shelf (SSRUs 88.1M,J,L) and northern seamount (SSRUs 88.1B,C) areas of the Ross Sea region. The ... available types of PSAT tags, and to develop methods to support research and monitoring of the Ross Sea ...
Meeting Document : WG-SAM-17/33 : Autor(es): C.D. Jones and S.J. Parker
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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 : Autor(es): D. Maschette, P. Burch, P. Yates and D. Welsford
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
), 38 of which could be individually identified by resighting their tag numbers. The majority of the MI ... -tagged seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... . The attendance rate of the known individuals at their natal island during the annual moult was only 40 ... %, based on their resighting histories. This was significantly lower than the 77 ± 6% moult attendance rate ...
Meeting Document : WG-EMM-10/P16 : Autor(es): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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Spatial patterns of temporal relationships in the Southern Ocean
Abstract: Phytoplankton production during the austral summer in the Southern Ocean is known to be ... modelled variables and show that this covariance in time between the mixed layer depth (MLD), sea surface ... . Statistically significant spatial patterns in the covariance between MLD, SST and Chl-a show that the physical ... factors controlling phytoplankton production in the Southern Ocean change in a predictable manner. Well ...
Meeting Document : WS-BSO-07/5 : Autor(es): M. Kahru and B.G. Mitchell (USA)
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A proposal to adopt a conservation measure seeking an interim prohibiting on deep sea gillnet fishing in the Convention Area
Abstract: Australia proposes that the possession and/or use of gillnets for commercial purposes ... be prohibited until such time as (1) the Scientific Committee has investigated and reported on the ... potential impacts of this gear in the Convention Area, and (2) the Commission has agreed on the basis of ... advice from the Scientific Committee that such a method may be used in the Convention Area. Author(s ...
Meeting Document : WG-FSA-06/46 : Autor(es): Delegation of Australia
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A case of giant squid attack on Antarctic toothfish Dissostichus mawsoni Norman, 1937 (Perciformes, Nototheniidae) caught on bottom-set longline in the Ross Sea
Abstract: In the beginning of February 2005, during the hauling of bottom-set longline in the ... Ross Sea (East Antarctic) from the depth of 1480 m to the surface a very large squid taken a large ... by a longline hook, was hauled up to the board of longliner VOLNA. Squid was very active and did not ... aboard but it was registered with the use of photo- and video cameras. This allowed to determine its ...
Meeting Document : WG-FSA-06/P3 : Autor(es): Petrov, A.F.
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Short note: some software developments within the Australian Antarctic Division
Abstract: This paper describes the changes and development of a number of software packages ... developed by the Australian Antarctic Division (AAD) that are relevant to the CCAMLR Working Group on Fish ... Stock Assessment. The software includes the Generalised Yield Model (GYM), Fish Heaven and CMIX. Copies ... of the software along with associated files such as manuals and example-sets will be available ...
Meeting Document : WG-FSA-02/68 : Autor(es): I. Ball and A. Constable (Australia)
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Integration of CPUE data into assessments using the generalised yield model
Abstract: For the last 3 years, WG-FSA has accorded high priority to development of a method to ... integrate different indicators of stock status into assessments using the generalised yield model (GYM). In ... this paper, we propose a method, based on use of the sampling/importance-resampling algorithm, for ... incorporating information on trends in standardised CPUEs into GYM assessments. The use of the method is ...
Meeting Document : WG-FSA-00/39 : Autor(es): G. Kirkwood (United Kingdom) and A. Constable (Australia)