Resultados de la búsqueda

1. Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?

   bottom trawl survey, but evidence from predators and acoustics indicates that a considerable portion of ... short acoustic survey on FPRV Dorada showed that mackerel icefish, of all age classes, spend time in ... acoustic survey has the potential to give a better estimate of icefish biomass, however acoustic methods ... of icefish. Author(s):  Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K. Title ...

   Meeting Document : WG-FSA-SAM-04/20 : Autor(es): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.

2. Summary of toothfish tagging suitability data from paired Spanish line – trotline sets

   only tag fish with a high probability of survival. Further it recommends that fish hooked only in the ... mouth should be tagged. A new data collection form was implemented in 2012 to allow evaluation of fish ... these data and data from tag release forms to assess suitability of captured toothfish for tagging. Data ... tagging was most related to species, soak time, and fish size. For both gear types, an adequate number of ...

   Meeting Document : WG-FSA-12/49 : Autor(es): S. Parker and D. Fu (New Zealand)

3. Distribution and biology of grey notothen (Lepidonotothen squamifrons) around South Georgia and Shag Rocks (Southern Ocean) CCAMLR Subarea 48.3.

   east of Shag Rocks and the west of South Georgia. Reliable biomass estimates were not possible due to ... recognisable cohort progression and a trend of increasing size over time indicating a potential recovery of the ... knowledge of L. squamifrons in this region will be valuable in future research on habitat and foodweb ... ) Title:  Distribution and biology of grey notothen (Lepidonotothen squamifrons) around South Georgia and ...

   Meeting Document : WG-FSA-12/34 : Autor(es): S. Gregory, J. Brown and M. Belchier (United Kingdom)

4. Bycatch of skates (Rajiformes) and grenadiers (Macrouridae) in longline fisheries in Subarea 48.3

   Abstract:  This paper investigates factors affecting the bycatch of skates (Rajiformes) and ... to the sea bed and type of bait used. The areas of greatest catch rates differed by area and depth ... range. During the period 1996–1999 skate bycatch was higher in February-March, while that of grenadiers ... . Ellis and R. Scott (United Kingdom) Title:  Bycatch of skates (Rajiformes) and grenadiers (Macrouridae ...

   Meeting Document : WG-FSA-14/47 Rev. 1 : Autor(es): V. Laptikhovsky, M. Soeffker, M. Belchier, J. Roberts, C. Darby, J. Ellis and R. Scott (United Kingdom)

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

   information on prey distribution and abundance as well as distribution and activity of their top predators ... 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 ...

   Meeting Document : WG-EMM-16/P01 : Autor(es): 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

6. Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2016–2019

   implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... together. Author(s):  Delegation of the Russian Federation Title:  Research program on resource potential ... and life cycle of Dissostichus species from the Subarea 88.2 A in 2016–2019 Microsoft Word File:  sam ...

   Meeting Document : WG-SAM-16/27 : Autor(es): Delegation of the Russian Federation

7. Southern Ocean Network of Acoustics (SONA): Report on Acoustic Processing and Methods Workshop, Vigo, 24–25 April 2016

   Abstract:  In April 2016 Southern Ocean Network of Acoustics (SONA) hosted a workshop of its ... ; Metrics of data quality and DOIs; Summary statistics and a way forward for regional comparison; and ... Current and future collaboration and opportunities. This report is a summary of those agenda items. Author ... . Horne, T. Jarvis, R. Kloser and T. Ryan Title:  Southern Ocean Network of Acoustics (SONA): Report on ...

   Meeting Document : WG-EMM-16/36 : Autor(es): S. Fielding, J. Thomas, C. Anderson, A. Conchon, A. Cossio, A. Dunford, P. Escobar-Flores, J. Horne, T. Jarvis, R. Kloser and T. Ryan

8. Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2016-2019

   implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... together. Author(s):  Delegation of the Russian Federation Title:  Research program on resource potential ... and life cycle of Dissostichus species from the Subarea 88.2 A in 2016-2019 Microsoft Word File:  fsa ...

   Meeting Document : WG-FSA-16/16 Rev. 1 : Autor(es): Delegation of the Russian Federation

9. CEMP data summary and updated analysis of CEMP data from Subarea 48.

   krill-based ecosystems, providing a basis for regulating harvesting of Antarctic living marine resources ... been submitted for 2016/17, including an area-based comparison of the 2016/17 observations with  the ... previous season A summary of available CEMP data and metadata and any issues encountered with data ... submitted to the Secretariat. An update on the spatial analysis of CEMP data in subarea 48.1 using Combined ...

   Meeting Document : WG-EMM-17/17 : Autor(es): CCAMLR Secretariat

10. Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2

    fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... fishery, 99.3% of all double-tagged fish retain at least one tag after one year, and 80.2% after ten years ... . The parameter of annual tag-loss rate in CASAL’s single-tag model was approximated, for a maximum time ... at liberty of 6 years, as l = 0.014 for longline and l = 0.007 for trawl. However, this single tag ...

    Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler

Páginas