Resultados de la búsqueda

1. Slow recovery of previously depleted demersal fish at the South Shetland Islands, 1983–2010

   closed this fishery in 1990. We report changes in size and abundance of the commercially exploited ... declined from 1983 to 1991, and an increase in mean size during 1983-84 is consistent with weak cohorts ... stability (1992-1994), a sharp increase in length and a continued decline in relative abundance indicated ... period showed no change in modal size or mean length of the fish. We relate these patterns to the fishery ...

   Meeting Document : WG-FSA-12/P01 : Autor(es): E.R. Marschoff, E.R. Barrera-Oro, N.S. Alescio and D.G. Ainley

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

   Abstract:  We outline a method for the direct determination of age in Antarctic krill (Euphausia ... superba). Recent studies (Kilada et al. 2012), have shown that annular growth bands are present in the ... endocuticle layer of the eyestalks and gastric mill in decapod crustaceans. Here we report on a preliminary ... Antarctic Division and examined using the methods outlined in (Kilada et al. 2012). Two analyses are ...

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

3. Report on the CCAMLR Marine Debris monitoring program

   common type of debris items found in beach surveys. The fishing items found were mostly from longline and ... trawl origins. Plastic packaging bands continue to be found in beach surveys, with an increase in open ... bands found at Bird Island. The amount of debris in albatross colonies at Bird Island varies; debris ... . The amount of fishing related items (fishing lines and hooks) found in wandering albatross colonies ...

   Meeting Document : WG-FSA-15/15 : Autor(es): CCAMLR Secretariat

4. Progress towards a representative network of Southern Ocean protected areas

   adoption of marine protected areas (MPAs) in national and international waters. While establishing MPAs in ... international waters has proven to be challenging in most of the world, national governments and the Commission ... for the Conservation of Marine Living Resources (CCAMLR) have succeeded in adopting multiple MPAs in ... protected in MPAs, with 3.9% being encompassed by no-take areas. While this is a relatively large proportion ...

   Meeting Document : WS-SM-18/12 Rev. 1 : Autor(es): C. Brooks, S. Chown, L. Douglass and B. Raymond

5. ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS

   Abstract:  Fishery for krill is a major economical activity in the Antarctic Ocean. The increased ... resources in the southern ocean. During the International Polar Year 2008, RV “G.O. Sars” spent 3 months in ... behaviour, measure target strength in situ, and of course verify the acoustic measurements biologically ... implemented in an optimized framework in the post-processing system LSSS. Author(s):  R. Korneliussen and G ...

   Meeting Document : SG-ASAM-09/08 : Autor(es): R. Korneliussen and G. Skaret (Norway)

6. Diseases and parasites of penguins

   Abstract:  The study of diseases in wild penguins is important for the identification of endemic ... diseases and the detection of exotic diseases should these occur. It is also important in the understanding ... and parasites recorded for all species of penguins present both in the wild and in captivity. Normal ... values for blood biochemistry and haematology are given as an aid to the identification of illness in ...

   Meeting Document : WG-CEMP-94/35 : Autor(es): J. Clarke and K. Kerry (Australia)

7. e-cc-xxx-a5.pdf

   ... : Other issues raised during SCAF-CG discussions in 2011 ......... 158 113 REPORT OF THE STANDING ... (SCAF). 2. In the absence of the Chair, Mr R. Battarcharya (India), the Vice-Chair of SCAF, Dr M ... accept the Financial Statements as presented in CCAMLR-XXX/3. REQUIREMENT FOR 2011 AND 2012 FINANCIAL ... ANNUAL REPORT 7. SCAF received the Executive Secretary’s annual report (CCAMLR-XXX/6), noting in application/pdf attached to:SCAF-11

   Meeting Report : SCAF-11

8. Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03

   such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) and ... debris (mostly plastics) were found in association with wandering albatrosses than with any other species ... entanglements with longline hooks and line. Eleven cases of contamination with oil were recorded, in wandering ... , black-browed and grey-headed albatrosses. In all cases, no more than about 1-2 % of the birds’ plumage ...

   Meeting Document : SC-CAMLR-XXII/BG/09 : Autor(es): Delegation of the United Kingdom

9. Growth rates of Antarctic fur seals as indices of environmental conditions

   weighing cross-sections of the population were compared with measured/inferred changes in the the ... growth rates in years of low krill availability. Biases reflecting changes in the component of the ... differences in growth rate can reliably be derived from differences in the slope of a linear relationship ... mass at age in each year compared to the multi-year mean, that was not dependent on assumptions of ...

   Meeting Document : WG-EMM-01/20 : Autor(es): K. Reid (United Kingdom)

10. Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability

    Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...

    Meeting Document : WG-EMM-08/33 : Autor(es): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)

Páginas