Resultados de la búsqueda

1. Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997

   biota, specially over individuals of A. gazella, and for this purpose we present as an annex to the ... document, a form for its completion by every Antarctic base, refuge, or camp present in the mentioned area ... results indicate that 45% of the entanglement material found in a total of 20 individuals (nine subadult ... entanglement reported for the South Georgia islands, where the most important longlining fishery in the ...

   Meeting Document : SC-CAMLR-XVI/BG/33 : Autor(es): Delegation of Chile

2. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   estimate for 2004 was 2,680 t. Initial tests of length at age assumptions indicated that using a specified ... length at age vector that did not include growth beyond 15 years had only small effects on projected long ... , for Heard Island Plateau (Division 58.5.2) was done, using the standard CCAMLR methods, based on the ... of growth beyond this age at 58.5.2. Preliminary examinations of the effect of refinements to the ...

   Meeting Document : WG-FSA-03/33 : Autor(es): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

3. Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   current estimates of length at age parameters would be for most of the fish to be three year olds. However ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ... reasonable to conclude that most of the fish are four years old, as this age class comprised the larger ... , given the abundance of fish in the population and the age structure of fish last year, it would be more ...

   Meeting Document : WG-FSA-02/47 : Autor(es): A.J. Constable, R. Williams and T. Lamb (Australia)

4. Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

   growth zones can be definitely established as an indicator of age. The detection of growth zones in the ... Abstract:  No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... February 2015, and varied between 30 and 53 mm in total body length. Up to six growth zones were identified ...

   Meeting Document : WG-EMM-16/P02 : Autor(es): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt

5. Increase in relative abundance of fjord Notothenia rossii in Potter Cover, South Shetland Islands, after the decrease associated with commercial fishing in the area

   has continued in Potter Cove from 1991 to 1999, covering a continuous sampling period of sixteen years ... non commercially fished Notothenia coriiceps, which was already reported for the period 1983-1990 in a ... previous study, is still evident. An increasing trend of N. rossii catches was observed, but the actual ... 80´s. These results are supported by our knowledge on the diet of the piscivorous Antarctic shag ...

   Meeting Document : WG-FSA-99/30 : Autor(es): E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)

6. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV

   separate cost layers for krill and toothfish) will be reported to the CCAMLR Working Groups in 2018. Author ... further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV. Here ... , including an update on the Antarctic toothfish habitat model. Chapter 3 provides a sensitivity analysis of ... the level of protection for Antarctic toothfish and other demersal fish that explores a range of ...

   Meeting Document : SC-CAMLR-XXXVI/BG/28 : Autor(es): Delegation of Germany

7. SCAR-MARINE BIODIVERSITY INFORMATION NETWORK 2010 AND BEYOND

   Change on its ecosystems, Antarctic marine biodiversity information has to be widely published ... , which aggregates the information on the web portal (90 datasets; 1,000,000 records). SCAR-MarBIN is ... (financial or in-kind), on an equitable basis, to sustain and further the services SCAR-MarBIN presently ...

   Meeting Document : CCAMLR-XXVII/BG/35 : Autor(es): Delegation of Belgium

8. Fisheries risks to the population viability of black petrel (Procellaria parkinsoni)

   population. The mean age of first breeding for black petrel is estimated to be 6.7 y. Before this, new adults ... area. Once birds start breeding, their annual survival rate is 0.89, 80% breed each year, and of those ... spend an average of 1.2 y in the colony as pre-breeders, with only 3% skipping the pre-breeder phase. Of ... well determined because we can’t distinguish mortality from emigration (birds that breed in an area ...

   Meeting Document : WG-SAM-10/P01 : Autor(es): R.I.C.C. Francis and E.A. Bell (New Zealand)

9. The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)

   Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... attempts suggested a maximum age of about 8 – 10 years. Author(s):  K.-H. Kock, L.V. Pshenichnov, C.D ... myctophids to some extent in other areas. Age determination still awaits validation. Preliminary ageing ...

   Meeting Document : WG-FSA-07/P1 : Autor(es): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))

10. Distribution of foraging by female Antarctic fur seals

    around the island of South Georgia were an important indicator for the localisation of foraging. This ... Abstract:  The study examined the distribution of critical habitat for foraging by female ... pattern was consistent among years of different prey availability. Lactating females were constrained to ... forage mainly within 100 km of the location at which the offspring was being raised. When this constraint ...

    Meeting Document : WG-EMM-03/38 : Autor(es): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)

Páginas