Search results
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Report on exploratory fishing by Australia in Division 58.4.1 during the 2015/16 fishing season
composition, tagging and biological sampling undertaken by Australia in SSRUs 58.4.1E and 58.4.1G. A total of ... logbooks recorded a total of 51980.9 kg of Antarctic toothfish (Dissostichus mawsoni) and 581.6 kg of ... Patagonian toothfish (Dissostichus eleginoides). Macroscopic evaluation of maturity stage indicated that both ... Conservation Measure 41-01. A total of 247 D. mawsoni and 16 D. eleginoides were tagged, and 3 D. mawsoni were ...
Meeting Document : WG-SAM-16/35 : Author(s): P. Yates, D. Welsford, P. Ziegler, D. Maschette and T. Lamb
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Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region
(preliminary recaptures) in 2017. The aim of this paper is to ascertain when the Amundsen Sea region stock ... assessment model is likely to provide management advice, and to investigate the effects of using either two ... in estimates of biomass, the likely biases, and to set expectations for mark-recapture data for the ... models showed that using two independent models lead to higher estimates of biomass in the North and ...
Meeting Document : WG-SAM-17/40 : Author(s): S. Mormede and S. Parker
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A feedback management strategy for the krill fishery in Subarea 48.1
Abstract: We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... fishery in Subarea 48.1. This strategy is a combination of two strategies that were separately proposed ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM. A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ...
Meeting Document : WG-EMM-16/48 : Author(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives
Abstract: A method of calculating fishing mortalities which will allow depleted fish stock to ... illustrated. These fishing mortalities are based on probabilistic descriptions of the future states of a ... policy of F0.1 will not always lead to stock recovery in two to three decades, and hence that additional ... management policies are required for depleted stocks. The implications of these studies for defining the ...
Meeting Document : SC-CAMLR-IX/BG/14 : Author(s): Delegation of Australia
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Maturity stages for skates (Rajiformes)
, important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... -laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... updating the descriptions of the maturity stages for skates are provided, as is a rationale for considering ... a four-stage key that allows for the collection of data for fish that are at active stages of the ...
Meeting Document : CCAMLR-XXXIII/03 : Author(s): J. R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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Maturity stages for skates (Rajiformes)
, important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... -laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... updating the descriptions of the maturity stages for skates are provided, as is a rationale for considering ... a four-stage key that allows for the collection of data for fish that are at active stages of the ...
Meeting Document : WG-FSA-14/33 : Author(s): J.R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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Proposal for a longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
include determining population connectivity between these Subareas, improving understanding of ... distributions of benthic bycatch species. This proposal includes a three-year data collection and two-year data ... analysis plan towards the development of a stock hypothesis for the northern regions of 48.2 and southern ... regions of 48.4. Author(s): Delegation of the United Kingdom Title: Proposal for a longline survey to ...
Meeting Document : WG-SAM-16/33 : Author(s): Delegation of the United Kingdom
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Proposal for a longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
include determining population connectivity between these Subareas, improving understanding of ... distributions of benthic bycatch species. This proposal includes a three-year data collection and two-year data ... analysis plan towards the development of a stock hypothesis for the eastern regions of 48.2 and southern ... regions of 48.4. Author(s): Delegation of the United Kingdom Title: Proposal for a longline survey to ...
Meeting Document : WG-FSA-16/40 Rev. 1 : Author(s): Delegation of the United Kingdom
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The report on the survey in Subarea 48.2 in 2016 (second season)
Abstract: The second year survey and observations of Dissostichus spp. in statistical subarea ... 48.2 on board the Ukrainian vessel SIMEIZ were conducted in accordance with the recommendations of the ... Scientific Committee and Commission. The second year survey design was amended in comparison with the one of ... biomass estimation of the target species and making decision for the future fishing on that fishing ground ...
Meeting Document : WG-FSA-16/50 : Author(s): Delegation of Ukraine
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Conversion Factors used for Patagonian toothfish in Division 58.5.1. and Subarea 58.6
weight and thus assess the amount of fish withdrawn from the stock. This paper describes factors ... emphasise the need to calculate CF with a sub-sample of the catch that is representative of the total catch ... in terms of size, space and time. It also looks at the size of sub-sample used for conversion factor ... measurement in relation with the accuracy of weight estimated at sea. Author(s): N. Gasco (France) Title ...
Meeting Document : WG-FSA-15/77 : Author(s): N. Gasco (France)