Resultados de la búsqueda
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Comparison of the diet of the blue-eyed shag Phalacrocorax atriceps by the analysis of pellets and stomach contents
Abstract: A total of 45 pellets from the blue-eyed shag Phalacrocorax atriceps were collected in ... prey, followed by octopods, polychaetes and gastropods. Notothenia coriiceps formed the bulk of the ... the same colony; however, they differed in importance. A daily mean of 0.7 pellets per bird was ... collected, representing 255 g of fish. Correction factors previously estimated in a feeding trial were ...
Meeting Document : WG-EMM-95/79 : Autor(es): Silva, P., Coria, N., Favero, M., Casaux, R.
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Definition of age characteristics of Antarctic toothfish (Dissostichus mawsoni) from the Indian Ocean sector of the Antarctic region
Abstract: For the determination of the age of Dissostichus mawsoni used otoliths and scales. All ... samples were collected in the Indian Ocean sector of the Southern Ocean. Methods are described. Otoliths ... well in the sections of otoliths as certain groups of the annual rings. Author(s): L. Pshenichnov, I ... . Slypko and K. Vyshniakova (Ukraine) Title: Definition of age characteristics of Antarctic toothfish ...
Meeting Document : WG-FSA-10/13 : Autor(es): L. Pshenichnov, I. Slypko and K. Vyshniakova (Ukraine)
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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 ... Richardson. a time-series of samples were taken over a complete year. Light and scanning electron microscopy ... (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 ...
Meeting Document : WG-FSA-93/6 Rev. 1 : Autor(es): J.R. Ashford and M.G. White (United Kingdom)
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Short review of the procedure for realisation of the fish tagging program on vessels of Ukraine in the season 2017/18
Abstract: Features of the implementation of the tagging program on vessels of Ukraine CALIPSO ... , KOREIZ, MARIGOLDS, SIMEIZ are presented. Author(s): Delegation of Ukraine Title: Short review of the ... procedure for realisation of the fish tagging program on vessels of Ukraine in the season 2017/18 Approval ...
Meeting Document : WG-SAM-18/24 : Autor(es): Delegation of Ukraine
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A review of the energetic density of zooplankton and nekton species of the Southern Ocean
capacity of marine ecosystems to support stocks of living resources. This paper provides a summary of a ... review on currently available Southern Ocean energetic density data. This review is a result of the ... Southern Ocean Diet and Energetics Database, an initiative of the SCAR Expert on Group Birds and Marine ... on the diet and energetics of Southern Ocean species is collected to form a centralised database ...
Meeting Document : WG-EMM-18/P17 : Autor(es): F.L. Schaafsma, Y. Cherel, H. Flores, J.A. van Franeker, M.A. Lea, B. Raymond and A.P. van de Putte
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Description of the most important species of finfish and cephalopods in diet of Antarctic toothfish (Dissostichus mawsoni Norman, 1937) (Perciformes, Nototheniidae), in the Amundsen Sea in 2006–2007
Abstract: Feeding of Antarctic toothfish Dissostichus mawsoni was studied in new fishing ground ... for this species in the Pacific sector of Antarctic: Amundsen Sea (Subarea 88.2). In terms of ... coatsi) and other species. Cephalopod beaks were quite abundant in the stomachs of toothfish. These beaks ... of distribution and ecology of species prayed by Antarctic toothfish shows that D. mawsoni apparently ...
Meeting Document : WG-FSA-07/50 : Autor(es): A.F. Petrov and J.A. Filippova (Russia)
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
Abstract: A random stratified trawl survey was conducted in May 2000 to assess the abundance of ... Heard Island Plateau and Shell Bank. Abundances and length density plots of these species plus two ... stratum. A total of seven surveys have been conducted in the Heard Island and McDonald Islands region ... . Abundance of D. eleginoides, L. squamifrons and C. rhinoceratus in each stratum are relatively steady ...
Meeting Document : WG-FSA-00/40 : Autor(es): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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Description of fishing gear and procedures of setting / hauling of Spanish longline system for toothfish in CCAMLR area
potential adverse impact on VMEs and on incidental mortality of seabirds by Spanish longlines, this paper ... Abstract: Although Spanish longline has been used in CCAMLR fisheries for a number of years ... detail and is not currently included the CCAMLR gear library. In order to contribute to the assessment of ... presents a gear configuration and procedures of setting/hauling for Spanish longline based on that used by ...
Meeting Document : WG-FSA-11/53 : Autor(es): T. Jung and H.J. Choi (Republic of Korea)
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Standing stock estimates of finfish biomass from the 2002 Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville Island
distribution of the abundant fish species was provided. Estimates of total biomass for Elephant Island and the ... resembled closely those in previous years. The proportion of juvenile G. gibberifrons, the most abundant ... species in the region, decreased significantly since 1998. No indication was found for the presence of a ... significant adult stock of N. rossii at Elephant Island where the species was known to occur in some ...
Meeting Document : WG-FSA-02/24 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Application of the bootstrap-method in assessment of target strength regression parameters on the basis of in situ measurements
Abstract: Target strength (TS) as a function of fish length (L) must be known to estimate fish ... characterizing the uncertainty of its parameters. We show that the bootstrap–method is a highly efficient method ... of estimating the parameters of TS-length function and emphasize that calculation results depend on ... the adopted mapping rule of fishing data into acoustic data. The bootstrap methods has been applied to ...
Meeting Document : WG-FSA-SAM-04/09 : Autor(es): P.S. Gasyukov and S.M. Kasatkina (Russia)