Результаты поиска

1. A life table for female Antarctic fur seals breeding at Cape Shirreff, Livingston Island

   juvenile survival, age at first reproduction, and resight probabilities. Longitudinal histories of presence ... and pregnancy of adult females (aged by cementum annuli) were used to estimate age-specific survival ... -2005. These data are used to construct an age-dependent life table for female fur seals breeding at ... Cape Shirreff and to estimate net reproductive rate, mean generation time and the intrinsic rate of ...

   Meeting Document : WG-EMM-06/39 : Автор(ы): M.E. Goebel, B.I. McDonald, J.D. Lipsky (USA), V.I. Vallejos, R.A. Vargas, O. Blank (Chile), D.P. Costa (USA) and N.J. Gales (Australia)

2. Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity

   retention study. Author(s):  Delegation of South Africa Title:  Beach litter accumulation and retention at ... Abstract:  Standardised beach litter surveys at subantarctic Marion Island for the period 1996 to ... 1998 are reported, and compared to surveys done in 1984 and 1995, prior to the onset of unregulated ... accumulation studies at designated beaches. Styrofoam pieces and plastic bottles showed the largest increases ...

   Meeting Document : CCAMLR-XVII/BG/25 : Автор(ы): Delegation of South Africa

3. Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data

   Abstract:  Length-at-age data for the Patagonian toothfish (Dissostichus eleginoides) caught by ... (VP) of sampling lengths. A segmented linear trawl fishing selectivity function was used where the ... upper-arm was estimated, as described elsewhere, from comparisons of longline LF samples to that for ... trawls for seasons where both fishing methods were used. Due to the small number of fish in the aged ...

   Meeting Document : WG-FSA-05/64 Rev. 1 : Автор(ы): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)

4. Marine debris surveys at Bird Island, South Georgia 1990 to 1995

   . Between 1990 and 1995 beached debris was monitored at Bird Island, South Georgia. This was part of a ... in the proportion of Antarctic fur seal Arctocephalus gazella entangled in this material at South ... Abstract:  The Antarctic marine environment has relatively few direct sources of man-made marine ... debris; however, there is concern over the dangers posed to wildlife by increasing amounts of such debris ...

   Meeting Document : CCAMLR-XV/BG/05 : Автор(ы): Delegation of the United Kingdom

5. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999

   the same vessel, using the same gear design and at the same time of year, show marked decreases in ... Ocean. Continued application of mitigation measures (use of streamer lines, setting lines at night or in ... aboard all 11 sanctioned fishing trips, representing a fishing effort of 5.1 million hooks. This is 19 ... % more than the number of hooks set in 1997-98, but only 79 seabirds (150/0 of the total killed in 1997 ...

   Meeting Document : WG-FSA-99/42 Rev. 1 : Автор(ы): P.G. Ryan and B.P. Watkins (South Africa)

6. Report from CCAMLR observers at Indian Ocean Tuna Commission Scientific Committee and Commission Meetings

   Abstract:  This paper provides a report from the two Australian CCAMLR observers at the Third ... Session of the Indian Ocean Tuna Commission meetings, Scientific Committee and Commission, that were held ... at Mahé, Seychelles from 7 to 12 December 1998. Author(s):  CCAMLR Observer (Australia) Title ... :  Report from CCAMLR observers at Indian Ocean Tuna Commission Scientific Committee and Commission Meetings ...

   Meeting Document : CCAMLR-XVIII/BG/32 : Автор(ы): CCAMLR Observer (Australia)

7. MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009

   marine ecosystem at South Georgia is the focus of a major research effort and consequently there are many ... local oceanographic and atmospheric conditions. Much of the observed variability in various fitness ... metrics for birds, seals and fish seems to be connected with the availability of Antarctic krill ... , Euphausia superba, which is a major prey species for many vertebrate populations at South Georgia. The ...

   Meeting Document : WG-EMM-09/23 : Автор(ы): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

8. Linking predator and prey behaviour: contrasts between Antarctic fur seals and macaroni penguins at South Georgia

   combination of concurrent at sea (predator observations, net hauls and multi-frequency acoustics), and land ... -based (animal tracking and diet analysis) techniques, we examined variability in the foraging ecology of ... these sympatric top predators during the austral summer and autumn of 2004. Krill availability derived ... occurred in 80% of fur seal diet samples, with fish remains in 37% of samples. Penguin diets contained the ...

   Meeting Document : WG-EMM-10/P07 : Автор(ы): C.M. Waluda, M.A. Collins, A.D. Black, I.J. Staniland and P.N. Trathan

9. Marine debris collected at Cape Shirreff during the Antarctic season 2000/01

   plastic bands were found at the site, which represent 34% of all plastic items. From these bands, 40 were ... Abstract:  The eighth annual beach debris survey was carried out at Cape Shirreff (62º 28' S ... categories: Plastic, metal, glass, and paper. A total of 1,774 articles was studied, with a weight of 124, 5 ... item with 1,736 articles which represent 97.86% of the total. The other items consisted of metal, 15 ...

   Meeting Document : SC-CAMLR-XX/BG/25 : Автор(ы): Delegation of Chile

10. Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b

    structured CASAL model was built to assess the stock of D. eleginoides at the research block 1 of Division ... have large impact on estimated B0 at the block 1 of Division 58.4.4b. On the other hands, the degree of ... ogice) of Dissostichus eleginoides for Division 58.4.4b were updated based on the data gathered up to ... to conduct an exploration of the impact of different scenarios of depredation and IUU in order to ...

    Meeting Document : WG-SAM-2019/30 : Автор(ы): T. Okuda and F. Massiot-Granier

Страницы