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1. Modelling crustacean fisheries: effects of parasites on management strategies

   Abstract:  The reproductive performance of commercially important crustaceans may be considerably ... ;open" or "closed" depending on the behavior of planktonic larvae, the duration of these ... planktonic stages, and the flush rate of the environment of the adult host. Both hosts and parasites may have ... open or closed larval recruitment. We developed mathematical models to investigate the impact of ...

   Meeting Document : WS-CRAB-93/09 : Автор(ы): A.M. Kuris and K.D. Lafferty (USA)

2. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   -weight data of research and fishery survey cruises in the Shag Rocks area from 1978 to 1986. The natural ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... mortality rate was assessed by six different methods and was within a range of 0.63 to 1.06. The mean value ... shagensis) from Shag Rocks shelf Abstract / Description:  The parameters of Bertalanffy’s growth equation ... within a range of 0.63 to 1.06. The mean value of natural mortality M=0.8 was used in calculations and ... P.g. shagensis before the beginning of fishing is shown in Figure 2. The mean age of fish was ... Resources of the Atlantic Ocean. M., Nauka. pp. 276-286 (In Russian). 117 Table 1: Mean length of P.g ... calculated by using age and length-weight data of research and fishery survey cruises in the Shag Rocks ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Автор(ы): Shlibanov, V.I.

3. Deaths of Adélie penguins at Mawson November–December 2001 investigated

   near Mawson between 23 November and 4 December, 2001. It is concluded the most likely cause of death ... death of the penguins suggested initially that disease may have been implicated and so investigations ... were treated accordingly. The sampling protocols developed by CEMP were used in these investigations ... Abstract:  Over 120 adult Adélie penguins were found dead in unusual circumstances on Welch Island ...

   Meeting Document : WG-EMM-02/42 : Автор(ы): K. Kerry and L. Irvine (Australia)

4. A versatile approach to minimise damage or loss of longline gear due to sea-ice

   quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... informs FSA about the very successful experience gained by the Alfred Wegener Institute in using pop-up ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ... FSA to: (1) to (re-)discuss the issue of damage or loss of longline gear due to sea ice, including the ...

   Meeting Document : WG-FSA-2019/04 : Автор(ы): S. Hain, T. Brey and K. Teschke

5. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

   functions are able to correctly determine the sex of birds with greater than 80% success the difference ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ... determination, but uncertainty in sex ratios can lead to considerable Type I and Type II errors. Lack of ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ...

   Meeting Document : WG-CEMP-92/11 : Автор(ы): D.J. Agnew (Secretariat)

6. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?

   avoiding the necessity of sex determination. However, uncertainty in sex ratios can lead to considerable ... index of a morphometric characteristic? Abstract / Description:  In sexually dimorphic species ... discriminant analysis can be used to determine the sex of individuals, it is only able to correctly sex a ... using discriminant analysis. When discriminant functions are able to correctly determine the sex of ... expressed in terms of the true mean and standard deviation: ~1 = ~ - ca for females, ~3 =~' + ca for ... , take the case of body weight in Table 2. Taking the expected combined mean to be halfway between the ... = 0.021 from equation 6. Therefore, if we observe a change in the mean of 10%, 2.1 % of this may be due ... used to indicate that there was a change in the combined mean of the characteristic, as it may have ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Автор(ы): Agnew, D.J.

7. Vast assembly of vocal marine mammals from diverse species on fish spawning ground

   echoes used in the assessment of prey abundance and distribution. Periodically, only the receiver array ... methodology offer coverage of 10s of km and may thus inform about variability issues now causing troubles in ... the assessment of krill using conventional acoustic methods.   Author(s):  D. Wang, H. Garcia, W ... information on prey distribution and abundance as well as distribution and activity of their top predators ...

   Meeting Document : WG-EMM-16/P01 : Автор(ы): D. Wang, H. Garcia, W. Huang, D.D. Tran, A.D. Jain, D.H. Yi, Z. Gong, J.M. Jech, O.R. Godø, N.C. Makris and P. Ratilal

8. On development of centralised preparation and accreditation scheme for scientific observers and CCAMLR Member countries

   , cruise report etc.) produced during the inter-session SISO work are presented in the paper. Position of ... the Russian Federation on development of centralized preparation and accreditation scheme for ... scientific observers and CCAMLR member countries is amplified here. Author(s):  Delegation of the Russian ... Abstract:  Suggestion and comments on changes in basic documents for scientific observers (logbook ...

   Meeting Document : SC-CAMLR-XXXIII/BG/18 : Автор(ы): Delegation of the Russian Federation

9. Drawing on international experience to improve performance of CCAMLR tagging programs

   Abstract:  Mark-recapture methodologies are commonly used to inform the management of fisheries ... presented. The paper focusses on the design and implementation of toothfish tagging programmes, but many of ... . In addition to answering targeted research questions, tagging programmes are typically used to ... describe movement patterns relative to stock unit identification or to support spatial disaggregation of ...

   Meeting Document : WG-SAM-12/26 : Автор(ы): S. Parker and S. Mormede (New Zealand)

10. Collection, processing and potential use of sonar data from krill fishing vessels

    vessels.  The purpose of this paper is to stimulate discussion on the utility of sonars to describe krill ... within a survey area and to consider the metrics (descriptors) we outline in the paper.  We hope the ... outcome of our discussions will facilitate the use of sonar data collected from a variety of vessels and ... Abstract:  Omnidirectional sonars (herein sonars) are capable of providing an alternative view of ...

    Meeting Document : SG-ASAM-14/01 : Автор(ы): G. Skaret (Norway) and M.J. Cox (Australia)

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