Search results
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The krill maturity cycle: a conceptual description of the seasonal cycle in Antarctic krill
Abstract: A long term study on the maturity cycle of Antarctic krill was conducted in a research ... temperature and food conditions, and the succession of female maturity stages and intermoult periods were ... there were differences in length of the cycle and intermoult periods between the experimental conditions ... describing seasonal cycle of krill physiology which provides a framework for future studies and highlight the ...
Meeting Document : WG-EMM-06/23 : Author(s): S. Kawaguchi, T. Yoshida, L. Finley, P. Cramp and S. Nicol (Australia)
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Design of the Italian acoustic survey in the Ross Sea
Abstract: The paper submits the design of the acoustic survey that should be carried out in the ... next Italian expedition to the Ross Sea (2002), for eventual changes, improvements and suggestions ... . Author(s): M. Azzali and A. Sala (Italy) Title: Design of the Italian acoustic survey in the Ross Sea ...
Meeting Document : WG-EMM-01/64 : Author(s): M. Azzali and A. Sala (Italy)
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Cross-sectional structure and validation of the timing of annulus formation in otoliths of the Antarctic fish Notothenia coriiceps Richardson (Nototheniidae)
Abstract: To validate the timing of annuli in otoliths of immature Notothenia coriiceps ... (SEM) techniques were used to examine the structure of sectioned otoliths. Six growth regions were ... identified in the otolith sections and micro-increments were also evident. The timing of growth and annual ... techniques were shown to correspond, supporting the hypothesis that annuli visible by using light microscopy ...
Meeting Document : WG-FSA-93/6 Rev. 1 : Author(s): J.R. Ashford and M.G. White (United Kingdom)
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On assessing the size of the humped rockcod stock (Notothenia gibberifrons) in Subarea 48.3
Abstract: An adaptive approach was used to assess the Notothenia gibberifrons stock in Area 48.3 ... . It is demonstrated that when tuning the VPA using abundance indices from trawl surveys it is ... imperative to estimate the catchability coefficient. This parameter was equal to 0.326 to 0.635. An adaptive ... approach in this case involved using a target function in the form of the sum of square deviations in ...
Meeting Document : WG-FSA-91/26 : Author(s): P.S. Gasiukov (USSR)
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Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
the Ross Sea as recommended by SAM-2015 (2015). The stock assessment rationale and models as well as ... their main diagnostics are described in Mormede et al. (2015). The CASAL files for models R1 and R2 were ... provided to the CCAMLR Secretariat as a zip file. In this paper we present the results for first model R1 ... and then model R2. The diagnostic plots cover input data, MPD and MCMC outputs. Key tables are given ...
Meeting Document : WG-FSA-15/39 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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The food and feeding of five species of icefish in the Elephant Island – South Shetland Islands Region in March 2003
Abstract: We studied the food and feeding of five species of icefish in the Elephant Island ... fed on krill and fish with some differences found between Elephant Island and the South Shetland ... Islands. The bulk of the diet of C. rastrospinosus consisted of krill and fish. Diet intensity, however ... , was low due to the progressing spawning season. C. antarcticus took almost entirely fish while P ...
Meeting Document : WG-FSA-03/60 : Author(s): K.-H. Kock, H. Flores (Germany), C.D. Jones (USA), S. Wilhelms and S. Schöling (Germany)
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Proposals for the governance and control of fishing vessels and fishing support vessels operating in the Southern Ocean
Abstract: There are a number of steps that CCAMLR and its members can take to improve the ... governance and control of fishing vessels in the Southern Ocean and thereby enhance safety, ecosystem-based ... . Additionally, it would be valuable for CCAMLR to encourage the IMO to include fishing vessels in the Polar Code ... at the earliest opportunity. CCAMLR Members should also support efforts to bring the new Cape Town ...
Meeting Document : CCAMLR-XXXII/BG/18 : Author(s): Submitted by ASOC
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Proposals on improving the governance and control of fishing vessels operating in the Southern Ocean
the governance and control of fishing vessels in the Southern Ocean, thereby enhancing safety, and ... Masters, and identification of requirements for environmental response and monitoring in the event of an ... incident. Additionally, CCAMLR should make a commitment to engage fully in the extension of the Polar Code ... to non-SOLAS vessels including fishing vessels and should inform the IMO of recent incidents ...
Meeting Document : CCAMLR-XXXIII/BG/22 Rev. 1 : Author(s): Submitted by ASOC
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Fishing cruise of the Russian trawler Zakhar Sorokin to the Antarctic (Subarea 48.3) from 16 February to 10 March 1999
Sorokin" carried out fishery for icefish Gunnari in CCAMLR subarea 48.3. During the cruise, 88 hauls ... the nothwestern slope of the South Georgia Island, where icefish fed actively on Antarctic krill and ... hour and 57 t per day of fishing. Icefish 27-33 cm long were the basis of catches. Total catch of other ... fish species constituted 9,171 t. Due to opinion of the captain of a Russian vessel and Russian ...
Meeting Document : WG-FSA-99/57 : Author(s): V.L. Senioukov and P.N. Kochkin (Russia)
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
Abstract: Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ... Elephant Island area are examined to determine the level of sampling effort required to adequately assess ... the (1) abundance and demographic structure of Antarctic krill and (2) relative abundance and ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ...
Meeting Document : WG-EMM-97/32 : Author(s): Loeb, V.