Résultats de la recherche

1. Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 2 – outcomes from the application of the risk assessment framework for distributing the krill trigger level in Area 48

   -FSA-16/47). This second part has two additional components of work: (i) results of the analyses using ... , including consideration of the matters raised by WG-EMM in 2016.  The framework presented in Part 1 is shown ... explored in that review.  The assessment primarily uses two factors to underpin the index of risk – the ... on SSMUs in Area 48.  Author(s):  A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review ...

   Meeting Document : WG-FSA-16/48 Rev. 1 : Auteur(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)

2. Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia

   Abstract:  The distribution of whales and krill in two survey boxes north of South Georgia was ... southern right whale (Eubalaena glacialis) and humpback whale (Megaptera novaeangliae) the two most ... abundance and mean krill density at the largest spatial scale examined (80 x 100km). At progressively ... potential interspecies competition among krill-feeding marine predators. Author(s):  K. Reid, A.S. Brierley ...

   Meeting Document : WG-EMM-99/30 : Auteur(s): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)

3. Continuation in the 2015/16 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2

   established, except force majeure, fulfilling Spain's commitment to return to the same fishing areas ... its research commitments was made by the WG-SAM-15. A minimum of 30 days within the 58.4.1 Division is ... the same as presented in the document WG-SAM-15/02.  Author(s):  R. Sarralde, L.J. López-Abellán and S ...

   Meeting Document : WG-FSA-15/05 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)

4. Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic

   Abstract:  Between March 2000 and April 2001 two commercial fishing vessels undertook trials at ... were discarded. Most crabs (>99% of P. formosa, >97% of P. spinosissima and >90% of P ... belt 85% – 90% of crabs would survive discarding, whereas on the vessel where crabs were emptied down a ... vulnerable than P. formosa. Author(s):  M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G ...

   Meeting Document : WG-FSA-01/32 : Auteur(s): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)

5. Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18

   maximum of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year ... survival and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ... estimate using effective tagging survival and tag detection rates and allowing a maximum of 20% change in ... Chapman estimate using effective tagging survival and tag detection rates and allowing a maximum of 20 ...

   Meeting Document : WG-FSA-18/36 : Auteur(s): S. Mormede and S. Parker

6. Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2014/15

   overlap rate were over 5, and reached about 80%, respectively. To get biological information, it was ... continuously due to weather condition and freezing floating ice. While conducting surveys, one of nets for ... equipment handling for continuous research fishing. Author(s):  Delegation of the Republic of Korea Title ...

   Meeting Document : WG-SAM-15/35 : Auteur(s): Delegation of the Republic of Korea

7. Composition and standing stock estimates of finfish from the Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1, 19 December 2006 to 3 January 2007)

   , decreased further due to the production of poor year – classes since the late 1990’s. A concentration of N ... 1977/78 before they were depleted by the commercial fishery. Two concentrations of N. coriiceps were ... met in the South Shetland Islands. Given the low stock size of most species it is recommended to leave ... Elephant Island and the South Shetland Islands closed for commercial finfishing. Author(s):  K.-H. Kock, J ...

   Meeting Document : WG-FSA-07/22 : Auteur(s): K.-H. Kock, J. Appel, M. Busch, S. Klimpel, M. Holst, D. Pietschok (Germany), L.V. Pshenichnov (Ukraine), R. Riehl, S. Schöling (Germany)

8. AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)

   SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC ... consisted mainly of adult specimens between 1 and 3 years of age, with very few older fish. Author(s):  M ... . Age at sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Compared ... Abstract:  Age and growth of spiny icefish, Chaenodraco wilsoni, were investigated using counts of ...

   Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)

9. Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area

   Antarctic ozone depletion during 1977-1994 (e.g. ozone hole's area: r=-0.844, p=0.001). This implied ... , krill stock density seems to be slightly recovering year by year after 1990 indicated a minimum of it ... -level pressure gradients across Drake Passage during 1982-1993. The years with high pressure gradients ... season), 1987/88 and 1990/91, while the years of extremely low values meaning weak westerly winds ...

   Meeting Document : WS-AREA 48-98/5 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)

10. Krill catch distribution in relation to predator colonies, 1987-1991

    48.2 is shown. 74-90% of catches in Subarea 48.1 are taken within 100 km of predator colonies between ... period. The pattern of fishing is very consistent in all years 1988-1991 in Subarea 48.1, but is more ... 860 tonnes in Subarea 48.1, in 1989, and 88 139 tonnes in Subarea 48.2 (1991). Author(s):  Secretariat ...

    Meeting Document : WG-KRILL-92/18 : Auteur(s): Secretariat

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