Résultats de la recherche

1. Pygoscelid penguins vulnerabilities to spatio-temporal changes of the krill fisheries in the Antarctic Peninsula

   climate change over penguin populations. We used almost 40 years of data on fishing activities and on ... populations, and a non-significant impact on gentoo populations. Fisheries and climate change together ...

   Meeting Document : WG-EMM-2019/10 : Auteur(s): L. Krüger, F. Santacruz, L. Rebolledo and C. Cárdenas

2. Spatial distribution of foraging by female Antarctic fur seals

   within 100 km of the location at which the offspring was being raised. When this constraint was removed ... years when there were different amounts of prey available. Females were constrained to forage mainly ...

   Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)

3. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   seasons.  Marks consistent with annuli observed in laboratory raised krill were observed. Length at age ... ) and fall on the line for two and three year old krill. If validated, the technique should allow the ... performed. First, longitudinal sections of the eyestalk from known age krill (2+ and 3+ years old) were ...

   Meeting Document : WG-EMM-15/45 : Auteur(s): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

4. Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region

   occurred at a typical scale of 10-30 km 2, though some sponge habitats appeared larger. Spatial analysis of ... habitats also varies among four benthic bioregions developed for the Ross Sea. Together, the data show that ...

   Meeting Document : WG-EMM-10/28 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

5. Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season

   tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... sampled by Observers were estimated last year. Then, we took several advice and comments about the methods ... thought to begin to mature, corresponded to 10.6 year for females and 11.4 year for males. On the other ... hand, the age at 50 % maturity for females and males was estimated to be 12.3 and 12.5 year ...

   Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)

6. Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol

   Protected Area (SPA) completed. This year the CEP approved several plans and it was noted that two (ASPA ... Member (Chile) noted the value of the precautionary ecosystem approach to issues raised by bioprospecting ... containing three options. ”Having regard to the provisions of Articles 4 and 5 of the Protocol, and Article 7 ...

   Meeting Document : CCAMLR-XXII/BG/11 : Auteur(s): Chair of the CCAMLR Scientific Committee

7. Preliminary analyses in support of the CEMP Review Workshop: power analyses

   and 20 years. Generally, time series arising from 5 annual surveys provided little power to detect ... , C1 under the survey scenarios of 10 and 20 years and alpha levels of 0.05 or greater. Author(s ...

   Meeting Document : WG-EMM-03/26 : Auteur(s): Secretariat

8. Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region

   evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... varies among four benthic bioregions developed for the Ross Sea. Together, the data show that vulnerable ...

   Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

9. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

   Abstract:  Here we compile four vignettes that, together, provide the basis for making downward ... with Article II of the Convention.  Retrospective application of the decision rule to historical data ...

   Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

10. REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

    growth, greater ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28 ... that these skates initially grow very rapidly for about five years, after which growth almost ceases ... –37 years compared with 14 years). Several pieces of circumstantial evidence support the new ...

    Meeting Document : WG-FSA-08/21 : Auteur(s): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)

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