Результаты поиска

1. Estimating prey consumption of the non-breeder component of an Adélie penguin population

   Abstract:  Estimating the consumption of prey by higher-order predators is a priority for WG-EMM ... Southern Ocean. Previous assessments of prey consumption for seabirds have focussed on breeders using data ... recorded at the breeding colonies. However, recent work suggests that the size of the non-breeder component ... of an Adélie penguin population can be substantial compared with the size of the breeder population ...

   Meeting Document : WG-EMM-17/12 : Автор(ы): L. Emmerson and C. Southwell

2. Feeding habits and prey consumption of Antarctic minke whale Balaenoptera bonaerensis in the Indo–Pacific region of the Southern Ocean

   species in the Southern Ocean. Quantitative information on prey consumption of whales is useful to ... understand their feeding ecology and role in the Antarctic marine ecosystem. The purposes of this study were ... 1) to investigate the feeding habits of Antarctic minke whales based on information on prey species ... in stomach contents, and 2) to estimate the amount of prey consumed by whales, accounting for some ...

   Meeting Document : WG-EMM-17/14 : Автор(ы): T. Tamura

3. Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12

   order to collect information for the stock status and biology of toothfish in the southeast sector (24 ... allocated hauls) of Division 58.4.3b (BANZARE Bank), using a commercial bottom longline vessel Shinsei Maru ... released alive) of Dissostichus spp. and other bycatch species was 12.0 tonnes in the SE sector, where the ... catch limit of 15 tonnes was set. Dissostichus spp. made up 90.3 % in terms of weight of the whole fish ...

   Meeting Document : WG-SAM-11/05 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)

4. Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea

   Abstract:  This project evaluated the prevalence and intensity of an ectoparasite Eubrachiella ... antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ... of Fisheries Observers on four toothfish longline vessels recorded the number of E. antarctica on the ... fins and in the buccal cavity of 621 large D. mawsoni (mostly 120-150 cm). Up to five D. mawsoni per ...

   Meeting Document : WG-FSA-06/28 : Автор(ы): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)

5. The effects of global climate variability in pup production of Antarctic fur seals

   -induced changes in the abundance of species in lower trophic levels can cascade up to apex predators by ... depressing vital rates. However, the characteristics and predictability of predator demographic responses ... remain largely unexplored. We investigated the delectability, limits, and nonlinearity of changes in ... autocorrelation created by global climate perturbations; these were identified in time series of monthly averaged ...

   Meeting Document : WG-EMM-06/P2 : Автор(ы): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)

6. A review of methodologies aimed at avoiding and/or mitigating incidental catch of protected seabirds.

   fisheries interactions have been released in a variety of local, national and international media. Recent ... published reviews in the field of bycatch mitigation have typically had a species or fishing method focus ... . This report presents the results of the seabird component of a global review of mitigation methods ... aimed at reducing mortalities of protected seabirds, marine mammals and reptiles and corals due to ...

   Meeting Document : WG-FSA-05/P8 : Автор(ы): Bull, L.

7. Genetic structuring of Patagonian toothfish populations in the southwest Atlantic Ocean: the effect of the Antarctic Polar Front and deep-water troughs as barriers to genetic exchange

   species with potential for high dispersal are of great interest, not only from an evolutionary standpoint ... differentiation among populations of the Patagonian toothfish around the Southern Ocean, indicating breakdown of ... structuring through analysis of microsatellite loci and restriction fragment length poymorphism (RFLP) of the ... mitochondrial ND2 gene and control region of the toothfish population in the SW Atlantic, allowing examination ...

   Meeting Document : WG-FSA-04/21 : Автор(ы): P.W. Shaw, A.I. Arkhipkin and H. Al-Khairulla (United Kingdom)

8. Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise

   Abstract:  A multi-disciplinary research cruise in the Atlantic sector of the Southern Ocean was ... conducted during the 2004 austral winter as part of the International Collaborative Expedition to collect ... included demersal finfish, benthic invertebrates, and information of seafloor composition. The objectives ... of the cruise included Antarctic fish and invertebrate biochemical, molecular and physiological ...

   Meeting Document : WG-FSA-04/61 : Автор(ы): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)

9. Influence of sampling protocol on diet determination of gentoo penguins, Pygoscelis papua and Antarctic fur seals, Arctocephalus gazella

   Abstract:  The influence of two sampling protocols on diet determination of two marine predators ... . The collection of diet samples on three occasions over a two week period was compared with collecting ... in the mass of food recovered from penguins were found but this was attributed to the mass of penguin ... significant determinant of the mean length of krill Euphausia superba recovered from penguins, there were no ...

   Meeting Document : WG-EMM-99/29 : Автор(ы): S.D. Berrow, R.I. Taylor and A. Murray (United Kingdom)

10. Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season

    Abstract:  In accordance with decision of SC-CCAMLR in 2010, the Russian Federation conducted ... been made, the total number of exposed hooks being 87,096. The research program covered SSRU B, C, and ... D of Subarea 88.3. In SSRU A longlines were not investigated because ice conditions were difficult ... . All toothfish catches and by-catch were subjected to biological analysis. 30 toothfish individuals of ...

    Meeting Document : WG-FSA-11/36 : Автор(ы): Delegation of Russia

Страницы