Résultats de la recherche

1. COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008

   Abstract:  Using a combination of techniques, we examine data from three cruises in 1999, 2000 and ... may be useful in deriving biomass estimates for the South Orkney Islands in 1999. We use a simple ... , and report on the biomass from a survey conducted in 2008. Biomass estimates in 2008 are calculated ... future development of management strategies based on small scale units. Author(s):  C. Reiss and A ...

   Meeting Document : WG-EMM-08/26 : Auteur(s): C. Reiss and A. Cossio (USA)

2. FISHING ACTIVITY AND SEABIRD-VESSEL ATTENDANCE NEAR THE NORTHERN ANTARCTIC PENINSULA

   Abstract:  We conducted a survey to investigate the factors influencing the number of seabirds ... attending a research vessel during scientific trawling activities near the northern Antarctic Peninsula. Our ... examine seabird-vessel attendance to scientific trawling activities in Antarctic waters where there is a ... conservation actions are met to protect seabirds. Author(s):  Jarrod A. Santora and Kimberly S. Dietrich (USA ...

   Meeting Document : WG-FSA-08/11 : Auteur(s): Jarrod A. Santora and Kimberly S. Dietrich (USA) and Darci Lombard (Canada)

3. CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP

   this scope was a part of the broader contribution of CCAMLR to the conservation of these taxa. The key ... reflect a purpose and revised scope of the group; o in the short-medium term WG-IMAF should place a ... particular focus on a reduction in incidental mortality of seabirds associated with fishing in those areas of ...

   Meeting Document : WG-FSA-08/65 : Auteur(s): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)

4. Net sample validation of acoustic techniques used to identify and size Antarctic krill

   (MVBS) data at 120 and 38 kHz were collected with a Simrad EK500 echo sounder, and net samples were ... frequency data and compared with that obtained in net hauls. This comparison revealed that a simplified bent ... cylinder model was a better predictor of krill length (predicted length = 8.79 + 0.685 observed length, r2 ... = 0.77) than a fluid-filled sphere model. Author(s):  Watkins, J.L., Brierley, A.S. Title:  Net sample ...

   Meeting Document : WG-EMM-97/46 : Auteur(s): Watkins, J.L., Brierley, A.S.

5. Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web

   Abstract:  There is a growing body of evidence that the climate of the Antarctic Peninsula region ... extensive sea-ice development. These trends potentially will have a major impact on the structure and ... function of the Antarctic marine ecosystem. In the Antarctic Peninsula region winter sea-ice coverage is a ... followed the first prolonged winter sea-ice season in three years and provides a strong contrast to the ...

   Meeting Document : WG-EMM-96/21 : Auteur(s): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.

6. Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea

   carlsbergi, the euphausiid Euphausia superba and a hyperiid amphipod, probably Themisto gaudichaudi. A small ... , which is itself a major prey item of some higher predators In the Scotia Sea, suggests that a previously ...

   Meeting Document : SC-CAMLR-XI/BG/11 : Auteur(s): Delegation of United Kingdom

7. Further calculations of the effects of krill fishing on predators

   achieved by making the survival rates depend instead on krill "availability", where there is a ... resilience of the albatross population to the effects of a krill fishery. An approach for estimating the ... the blackbrowed albatross and Antarctic fur seal indicate a surprisingly low resilience of these ... populations to the effects of a krill fishery. Discussion is needed as to whether this reflects an ...

   Meeting Document : WG-Krill-94/24 : Auteur(s): D.S. Butterworth and R.B. Thomson (South Africa)

8. The use of morphometric parameters for the determination of sex of Adelie penguins

   , cubitocarpal) with the mean discriminant score of 55.39. Males have a higher score and females a lower one. The ... discriminant score be determined for a single operator and at each breeding colony to reduce these sources of ... the sex of the birds can be increased by avoiding those with a discriminant score close to the mean ...

   Meeting Document : WG-CEMP-91/5 Rev. 1 : Auteur(s): K.R. Kerry, D.J. Agnew, J.R. Clarke and G.D. Else (Australia)

9. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

   . Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ... sampling methods; a large demersal fish trawl, a beam trawl, and a towed camera system. Twenty-three sites ...

   Meeting Document : WG-FSA-12/51 : Auteur(s): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

10. Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13

    investigated. We recommend the following: That the Amundsen Sea region be considered as a single stock, with ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ... SSRU 88.2H is recognised by allocating a greater proportion of the catch limit to SSRUs 88.2C–G and ... -length keys, using approved otolith reading protocols and aging validation. Author(s):  S. Mormede, A ...

    Meeting Document : WG-SAM-14/29 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

Pages