Search results

1. Biomass estimates of Antarctic krill based on survey conducted by the Chinese fishing vessel FV Fu Rong Hai during the 2019 Area 48 survey

   Abstract:  As a contribution to the joint effort on the large-scale international synoptic krill ... 10 th February 2019. Implementation and preliminary results on the estimates of krill biomass density ... krill biomass estimates might be updated pending on the outcome of krill length clustering analysis and ... discussion on the methodology during this SG-ASAM meeting. Author(s):  X. Wang, X. Yu, X. Zhao, J. Zhang, G ...

   Meeting Document : SG-ASAM-2019/07 : Author(s): X. Wang, X. Yu, X. Zhao, J. Zhang, G. Fan, J. Zhu and Y. Ying

2. Reproductive ecology of Antarctic toothfish, Dissostichus mawsoni (Norman, 1937) (Actinopterygii: Nototheniidae), in the Antarctic waters (SSRUs 58 and 88)

   are as follows. The average gonadosomatic index of the fish was found to be 2.16, with 2.57 for female ... and 1.77 for male. Frequency of ovarian development stages of Antarctic toothfish showed the highest ... displayed 50% for female in larger than TL 120.1 cm categories and almost 100% for male in larger than TL ... was found to be 3.88, with 4.18 for female and 3.53 for male. Frequency of ovarian development stages ...

   Meeting Document : WG-FSA-18/65 : Author(s): J.-W. Kim, S.-G. Choi, S. Chung and D.H. An

3. Populations of surface-nesting seabirds at Marion Island, 1994/95 to 2002/03

   Island showed different trends, but for the majority of species numbers decreased. Reduced numbers of ... attributed to an altered availability of food. Decreases in numbers of dark-mantled sooty albatrosses ... S. vittata terns remain scarce at the island. Trends for king penguins Aptenodytes patagonicus were ...

   Meeting Document : WG-EMM-03/8 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, P.G. Ryan, S.L. Petersen, L.G. Underhill, L. Upfold, W. Wilkinson, M.S. de Villiers, S. du Plessis, M. du Toit, T.M. Leshoro, A.B. Makhado, M.S. Mason, D. Merkle, D. Tshingana, V.L. Ward and P.A. Whittington (South Africa)

4. USING GENETIC CONNECTIVITY TO IDENTIFY VULNERABLE MARINE ECOSYSTEMS (VMES) IN ANTARCTICA – THE ISSUE OF SCALE

   is valuable for understanding the potential resilience of benthic communities under threat from ... genetic connectivity across major regions, which would essentially act as stepping-stones for gene flow ... . At present, the available data is very incomplete, and an understanding of the generality of these ...

   Meeting Document : WS-VME-09/06 : Author(s): Wilson, N.G.

5. Results of the research fishing activities conducted by Chile in Management A of Subarea 48.3 from 2005–2008: the importance of conserving the big older fishes

   of Dissostichus eleginoides (TOP) from the Area management A (subarea 48.3), after 4 year of closure (2004 to 2008 ... of fish caught, at a mean rate of approximately 1 kg per year/per individual. This result suggests ... eleginoides (TOP) from the Area management A (subarea 48.3), after 4 year of closure (2004 to 2008). We noted ... , at a mean rate of approximately 1 kg per year/per individual. This result suggests that the sampling ...

   Meeting Document : WG-FSA-10/35 : Author(s): C.A. Moreno and P. Rubilar (Chile)

6. Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model

   single area stock assessment model for the Ross Sea was relatedly unbiased when we simulated from an ... assumptions of the stock assessment for Antarctic toothfish in the Ross Sea region using spatially explicit ... spatial distribution and fish mixing used in the standard stock assessments for the Ross Sea region (and ... historical footprint of the fishery. However, the results when using a similar model that allowed for fish to ...

   Meeting Document : WG-FSA-12/45 : Author(s): S. Mormede and A. Dunn (New Zealand)

7. Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island

   Abstract:  At Seal Island breeding predators which incorporated an overnight period into their ... advantages are considered for visual predators to feed in the slope/offshore region at night:(l) krill showed ... ; their ventral light organs may become easier target for predators at night. Thus, aggregation pattern of ...

   Meeting Document : WG-EMM-96/49 : Author(s): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.

8. By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)

   the present survey, were found in 61% of hauls examined. Although only one species, Lepidonotothen larseni ... of at least 3 different year classes. Similar pattern is also found in Gymnoscopelus nicholsi ... of the Myctophidae. At least in the net hauls of high krill CPUE (>20t?krill/h), few or no by-catch fish ... the present survey, were found in 61% of hauls examined. Although only one species, Lepidonotothen larseni ...

   Meeting Document : WG-EMM-05/19 : Author(s): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)

9. Spatial distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries overlap

   for Antarctic krill Euphausia superba in the South Shetland Islands have used different measurement ... distribution of predators, krill and krill fisheries and an effort-corrected index of relative abundance as a ... function of distance from land was used to identify the characteristics of areas of high potential for ... within 100 km of land. The requirement of land for breeding and the biological and oceanographic ...

   Meeting Document : WG-EMM-02/14 : Author(s): K. Reid, M. Sims, R.W. White and K.W. Gillon (United Kingdom)

10. Mortalidad incidental de aves en la pesquería de cherna con palangre semipelágico

    Abstract:  Between August and November 2001, two fishing vessels carried out exploratory ... Between August and November 2001, two fishing vessels carried out exploratory and experimental ...

    Meeting Document : WG-FSA-04/38 : Author(s): Y.H. Marín, A. Stagi and J. Chocca (Uruguay)

Pages