Résultats de la recherche

1. Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3

   relation to their size, an approximately linear relationship existing between depth and fish length. A ... seasons, suggesting movement of animals both up and down slope at particular times of year. Months with a ... Shag Rocks and South Georgia, but there is some evidence for exchange of animals immediately post ... spawning between the two areas. There may be two (or more) spawning periods during the winter, with the ...

   Meeting Document : WG-FSA-98/58 : Auteur(s): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)

2. Testing early life connectivity using otolith chemistry and particle-tracking simulations

   complement, the two techniques promise an innovative approach to generate and test predictions, and resolve ... areas on the Antarctic Peninsula. At South Georgia, the nucleus chemistry was similar between the ... chemistry, simulations of the large-scale circulation predicted that particles released at 100-300m depth on ...

   Meeting Document : WG-FSA-10/P02 : Auteur(s): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson

3. Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models

   hydrography. Two were climate models of low (1°) to intermediate resolution (1/3°), and one was an operational ... 900m at the gyral eastern end compare favourably with float data. On-shelf model depth-averaged west ... Front and on-shelf deep water formation, and these models transport some 4 Sv of this bottom water ...

   Meeting Document : WG-EMM-10/P13 : Auteur(s): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)

4. Preliminary results from the International Synoptic Krill Survey in Area 48, 2019

   stations. Acoustic transects and trawling were carried out as per survey procedures developed in 2018 ... August 2018. Author(s):  G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G ... Document Release Consent:  No Delegation responsibility for releasing documents:  Norway ... , which were based on the methods and procedures used in the CCAMLR 2000 krill acoustic survey ...

   Meeting Document : WG-EMM-2019/47 : Auteur(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox

5. Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation

   hatching periods in N. rossii, two main types of life cycles are hypothesised for South Shetland Islands ... other nototheniids within similar size range. Based on the early life events associated with the two ... date of capture showed two main periods of larval hatching separated by 5-6 months, one in late summer ... estimated for the pelagic blue phase and demersal brown phase fingerlings were respectively 227 and 240 days ...

   Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)

6. Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2019 season

   seal morality event which occurred at the end of the 2018 season. Incidental mortality numbers for ... Document Release Consent:  No Delegation responsibility for releasing documents:  CCAMLR Secretariat ... during fishing activities undertaken during the 2019 season. A short report is also detailed on a large ... observers and vessel supplied data. Based on data received up to 8 October 2019, the extrapolated total ...

   Meeting Document : WG-FSA-2019/16 Rev. 2 : Auteur(s): CCAMLR Secretariat

7. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   data from Signy Island, which we have cross-calibrated and combined with an earlier series from the ... variability has significant implications for ecosystem function and the detection of short-term and long-term ... recent years this cyclicity has broken down and fast-ice duration has been greater than expected ... Antarctic continent with a period of approximately 7-9 years. Analysis of atmospheric and oceanic ...

   Meeting Document : WG-EMM-95/80 : Auteur(s): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

8. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

   density; for example one echo-integration interval contained 104 times the mean krill density. An ... signal strength between the two frequencies (δMVBS = MVBS 120 kHz- MVBS 38 kHz) was used to partition ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... approximate six-fold difference in mean krill abundance was detected between the two areas, but in comparison ...

   Meeting Document : WG-EMM-95/75 : Auteur(s): Watkins, J.L., Brierley, A.S.

9. Beach litter survey - Signy Island, South Orkney Islands 1995/96

   1995/96 is a real trend rather than an artifact of reduced sampling effort. The total number of plastic ... Abstract:  A beach litter survey was carried out on Signy Island, South Orkney Islands during the ... break out of sea-ice and the redevelopment of the British Antarctic Survey (BAS) research station on ... 81 items (6.23 kg). No items were found at Starfish Cove. As in previous years, it is clear that ...

   Meeting Document : CCAMLR-XV/BG/16 : Auteur(s): Delegation of the United Kingdom

10. Beach debris survey – Main Bay, Bird Island, South Georgia, 1997/98

    which were considerably less than the winter totals for the previous 5 years of collections. The number ... Abstract:  The eighth year of surveys of beach man-made debris at Bird Island, South Georgia ... of items collected in the summer was 310, an increase of 72 percent from the 1996/97 total of 180 ... . Nylon line, identical to that attached to longline gear, accounted for 88 percent of items, nearly all ...

    Meeting Document : CCAMLR-XVIII/BG/6 : Auteur(s): Delegation of the United Kingdom

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