Результаты поиска

1. Longline fishing at Tristan da Cunha: impacts on seabirds

   accompanied all three licensed demersal cruises. Despite attracting considerable numbers of birds and setting ... bycatch rate of> 1 bird killed per 1000 hooks; this could be even higher in summer when more birds are ... breeding at the islands. Stricter regulations are required for pelagic vessels, including routine placing ... of observers on board. The gravest threat posed by longline fishing to Tristan's seabirds comes ...

   Meeting Document : WG-FSA-01/15 : Автор(ы): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)

2. Alternative assessment methods for toothfish at South Georgia

   . The fit of the model to the CPUE series is not good, and there are several unexplained problems. The ... unknown additional level of IUU fishing, improves the fit of the model but does not fully explain the ... initial lack of early decline, the abrupt decline between 1995 and 1996 and the subsequent increase in ... CPUE. Toothfish have been tagged at South Georgia since 2000, and it is possible now to examine the ...

   Meeting Document : WG-FSA-SAM-04/17 : Автор(ы): Kirkwood, G., Payne, A., Agnew, D.

3. Comparisons in diet between diurnal and overnight foraging chinstrap penguins at Seal Island

   ) breeding at Seal Island during chick-brooding period of 1988/89, 1989/90, 1993/94 and 1994/59 were analyzed ... Abstract:  Diets of diurnal and overnight foraging chinstrap penguins (Pygoscelis antarctica ... their diets but fish constituted 0-1 % and 14-45 % of the diet of diurnal and overnight foragers ... respectively. The highest intake of fish was observed in 1993/94 when krill abundance was very low. Calorific ...

   Meeting Document : WG-EMM-96/55 : Автор(ы): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K., Bengtson, J.L., Boveng, P.

4. Marine debris collected at Cape Shirreff, Livingston Island, during the Antarctic season 1993/94

   Abstract:  As a complementary activity related to demographic studies on the population of ... Arctocephalus gazella, and with the purpose of having a baseline zero for further studies using the guidelines ... prepared by the CCAMLR Secretariat, a survey to develop a complete collection of marine debris and heavy ... garbage from the beaches of Cape Shirreff was intended to carry out during the Antarctic season 1993-94 ...

   Meeting Document : CCAMLR-XIII/BG/17 : Автор(ы): Delegation of Chile

5. Krill population dynamics at South Georgia: implications for ecosystem-based fisheries management

   interannual variability. The apparent lack of a locally self-maintaining krill population at South Georgia ... Abstract:  The South Georgia region supports a large biomass of krill that is subject to high ... to successful ecosystem-based management of krill fishery in the region. Krill acoustic-density data ... from surveys conducted in the early, middle and late period of the summers of 2001 to 2005, together ...

   Meeting Document : WG-EMM-10/P08 : Автор(ы): K. Reid, J.L. Watkins, E.J. Murphy, P.N. Trathan, S. Fielding and P. Enderlein

6. Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration

   the fur seal population at South Georgia from 1991 which represented a year of poor environmental ... Abstract:  The estimates of fur seal consumption of krill in subareas 48.1 to 48.3 which have been ... used in ecosystem modelling and CCAMLR’s risk assessment approach, are based on the distribution of fur ... seal breeding populations. Fur seal breeding colonies south of 60 o have remained relatively small and ...

   Meeting Document : WG-EMM-18/10 : Автор(ы): I. Staniland and S. Hill

7. Reviewing the age structured production model (ASPM) as an alternative method to estimate the Patagonian toothfish biomass at CCAMLR Subarea 48.3

   toothfish stock assessment at CCAMLR Subarea 48.3. Results obtained from this model, presented in the last ... meeting of WG-FSA-SAM held in Yokohama (Japan), show acceptable fit with standardized CPUE series, annual ... model (ASPM) as an alternative method to estimate the Patagonian toothfish biomass at CCAMLR Subarea ...

   Meeting Document : WG-FSA-05/73 : Автор(ы): O.C. Wöhler, P.A. Martinez and A. Aubone (Argentina)

8. Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013

   estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia.  Krill ... Abstract:  This paper, now in press in ICES Journal of Marine Science, presents krill density ... Approximation (SDWBA) target strength model. Krill density ranged over several orders of magnitude (0 to 10 000 ... mean krill density was significantly correlated with the top 7% of the maximum krill densities observed ...

   Meeting Document : WG-EMM-14/P04 : Автор(ы): S. Fielding, J. Watkins, P. Trathan et al.

9. Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)

   Standard Methods (C2- Procedure B) over four consecutive Austral summer season (1994/95-1997/98) at CEMP ... pups (50 of each sex) were weighed by cross-sectional sampling. Pup growth rates were determined from ... least square linear regression of weight against age. Strong correlation was found between variables for ... both sexes, and assumptions of linearity and homogeneity of variance proved to be adequate (? =0.05 ...

   Meeting Document : WS-AREA 48-98/18 Rev. 1 : Автор(ы): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)

10. Seabird interactions with trawling operations at Macquarie Island

    Author(s):  Delegation of Australia Title:  Seabird interactions with trawling operations at ...

    Meeting Document : SC-CAMLR-XIV/BG/06 : Автор(ы): Delegation of Australia

Страницы