Search results
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Estimating unaccounted fishing mortality in the Ross Sea and 88.2C–G bottom longline fisheries targeting Antarctic toothfish
Abstract: Stock assessments rely upon estimates of the total mortality resulting from fishing ... activities. The level of mortality resulting from the loss of sections of bottom longline gear in the Ross ... its management objectives relating to human impacts on the Antarctic environment. We provide a method ... to estimate unaccounted fishing mortality from lost lines in the Ross Sea region and Subarea 88.2 ...
Meeting Document : WG-FSA-11/48 : Author(s): D.N. Webber and S.J. Parker (New Zealand)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : TASO-09/10 : Author(s): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.
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Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters
Abstract: Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in ... Georgia (N = 267; January/February 1991) and the South Orkneys (N = 44; January/February 1991) and ... polymorphic at the 0.95 criterion: glutamate oxaloacetate transaminase, GOT-I 2.6.1.1; α- glycerophosphate ... 1.15.1.1). Routine scoring of 358 fish at the 16 loci revealed below average levels of genetic variability ...
Meeting Document : WG-FSA-91/22 : Author(s): G.R. Carvalho and M. Warren (United Kingdom)
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PROPOSED WORK PROGRAMME FOR THE DEVELOPMENT OF A COMPLIANCE EVALUATION PROCEDURE WORKING GROUP
Abstract: The intersessional group on the Development of a Compliance Evaluation procedure has ... agreed to a body of work, including a workshop to be held concurrently with WG-EMM in 2009. The group ... seek endorsement from the Commission of the proposed work plan and seeks approval for funding for the ... workshop. Author(s): Report of the Co-conveners of DOCEP Title: PROPOSED WORK PROGRAMME FOR THE ...
Meeting Document : CCAMLR-XXVII/44 : Author(s): Report of the Co-conveners of DOCEP
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Developments in the CCAMLR tagging program
Abstract: In order to assess the level of confidence in the link made, as well as the time and ... effort taken to make the link, the Secretariat introduced a tag recapture link status code to identify ... the level of effort involved in linking a tag recapture to its tagging event. For the 2011 season 673 ... tags have been returned; 37% provide an exact match with tag numbers held in the database, 22 ...
Meeting Document : WG-FSA-11/06 : Author(s): Secretariat
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Analysis of krill catch data from continuous and conventional trawls by the Saga Sea and Atlantic Navigator
Abstract: In this paper we analyse data on the distribution of catches, the size of krill and ... bycatch of larval fish taken by the Saga Sea fishing with continuous trawls in 2006, and the Atlantic ... Navigator which fished in 2005 using both continuous trawling and conventional trawling. The sizes of krill ... are few data for comparison, the bycatches of larval/juvenile fish in the continuous trawl also appear ...
Meeting Document : WG-FSA-06/57 : Author(s): D.J. Agnew, A. Payne, J. Hooper and J. Roe (United Kingdom)
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On marine protected areas in the Southern Ocean
Abstract: The details on designation of marine protected areas in the CCAMLR region are ... considered. The general and specific issues, such as MPA definition in application to CCAMLR area ... , permissions and restrictions, temporal and spatial extent are discussed. It is noted that the South Orkneys ... MPA designation procedure could be useful for CCAMLR MPA network development. On the Ross Sea, which ...
Meeting Document : WS-MPA-11/13 : Author(s): G.P. Milinevsky and S.B. Kovalonok (Ukraine)
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2018 International Conference on Assessing Status and Trends of Habitats, Key Species and Ecosystems in the Southern Ocean, Hobart, Tasmania, Australia
Abstract: The program Integrating Climate and Ecosystem Dynamics, which is a partner program of ... ecosystems in the Southern Ocean in April 2018. This background paper is an invitation to Members of the SC ... ) Assessments of status and trends in habitats, species and ecosystems, and the causes of change (attribution ... systems to estimate dynamics and change. These themes aim to facilitate contributions of the Antarctic ...
Meeting Document : SC-CAMLR-XXXIV/BG/22 : Author(s): Delegation of Australia
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A multivariate approach to examining patterns in research fishing activities using the SSRU 88.2A–B North survey as an example
Abstract: The WG-SAM in 2016 “agreed the importance of identifying a set of diagnostics and clear ... criteria to assess the likelihood that a vessel is operating as would be expected in normal research ... achieve such a goal (WG-SAM 2016, paragraph 4.19). In this paper, we further develop the analysis of Large ... et al. (2016), using fishing activities in the northern Ross Sea region as an example. We investigate ...
Meeting Document : WG-FSA-16/46 : Author(s): S. Mormede, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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An outline of narrowband echosounder survey methods to estimate biomass of Antarctic krill in CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
will be conducted in CCAMLR Division 58.4.1 during 2018/19. The biomass estimation will be conducted ... according to the up-to-date CCAMLR standard protocol. The first standardized survey was conducted by CCAMLR ... in 2000 as the CCAMLR-2000 survey. Quantitative echosounders has evolved since then and a current ... broadband frequency modulation wave (FM), CW will be used for biomass estimation to follow the CCAMLR ...
Meeting Document : SG-ASAM-18/02 : Author(s): K. Abe, K. Amakasu, R. Matsukura, T. Mukai and H. Murase