Результаты поиска

1. Regionalisation of the Southern Ocean: a statistical framework

   regions and/or ecoregions) in order to better understand the relative importance of ecosystem processes or ... for the purposes of managing human activities in relatively ecologically discrete areas ... . In this paper, we demonstrate a method developed for a regionalisation of the southern Indian Ocean ... in order to facilitate the development of ecosystem models for the area. Here, we extend this work to ...

   Meeting Document : WG-EMM-06/37 : Автор(ы): B. Raymond and A. Constable (Australia)

2. Setting a minimum line length for line sink rate testing: a review of existing data and some preliminary proposals for CCAMLR consideration in revising Conservation Measure 24-02 (2004)

   Abstract:  This paper provides a brief descriptive analysis of some of the available data on the ... length of longlines used in exploratory fisheries and some of the data describing longline sink rate ... trials. In Sub-area 88.1 the maximum length of longline used by auto longline system vessels is ... approximately 15 000 m. The maximum length of longline used by Spanish longline system vessels is approximately ...

   Meeting Document : WG-FSA-05/80 : Автор(ы): N. Smith (New Zealand)

3. Revision of Conservation Measure 91-01 (2000), Annex 91-01/A ‘Information to be included in Management Plans for CEMP sites’

   Abstract:  At the 2003 meeting of the Commission, the Terms of Reference (TOR) for the Advisory ... was directed to the intersessional work of the Subgroup, was TOR (ii) “to revise and keep under review ... , as appropriate, guidelines for the production of maps of protected areas relevant to CCAMLR”. The ... following revision of Conservation measure 91- 01, Annex 91-01/A (2000) addresses the topic of maps. Changes ...

   Meeting Document : WG-EMM-04/19 : Автор(ы): Chair, Subgroup on Protected Areas

4. Decrease in numbers of the eastern rockhopper penguins Eudyptes chrysocome filholi at Marion Island, 1994/95 to 2002/03

   Abstract:  Numbers of rockhopper penguins Eudyptes chrysocome breeding at Marion Island decreased ... fledged on average 0.40 chicks per annum, an amount thought insufficient to balance mortality of breeding ... adults, and there was a decrease in the mass at arrival at breeding colonies of both males and females ... . Except in 1997/98, the mass of chicks at fledging was less than that recorded at two other localities ...

   Meeting Document : WG-EMM-03/10 : Автор(ы): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, D.C. Nel, J.L. Nel, S.L. Petersen and A.C. Wolfaardt (South Africa)

5. Detection of anti-brucella antibodies in Weddell seals (Leptonychotes weddellii) from Cape Shirreff, Antarctica

   Abstract:  A serological study was initiated to determine the presence of anti-Brucella antibodies ... on marine mammals of Antarctica. For this study, blood and extra vascular fluid samples was taken ... from 12 Weddell Seals (Leptonychotes weddellii) at the Site of Special Scientific Interest (SSSI) Nº 32 ... carried out as part of Project 018 "Ecological studies on the Antarctic Fur Seal, Arctocephalus ...

   Meeting Document : WG-EMM-01/48 : Автор(ы): O. Blank, P. Retamal, P. Abalos and D. Torres (Chile)

6. Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean

   southern Indian Ocean. During incubation, most birds foraged to the north of the island, at the edges of ... . In contrast, during chick-rearing all tracked birds foraged to the southwest of the island, at the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ... Indian Ridge. Diet samples taken during the chick-rearing period showed a predominance of fresh specimens ...

   Meeting Document : WG-FSA-01/12 : Автор(ы): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)

7. Distribution of mackerel icefish by size-group at South Georgia

   Abstract:  The depth distribution of C. gunnari was investigated with data from 9 groundfish ... of 8 depth strata with mean depths of 112, 137, 165, 185, 208, 230, 257 and 308 m. Fish were divided ... into size groups representative of age-classes. Kruskal-Wallis tests on log-transformed median ... abundance (number of fish km?2) indicated that depth of maximum abundance increased as the size of the fish ...

   Meeting Document : WAMI-01/16 : Автор(ы): A.W. North and I. Everson (United Kingdom)

8. Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica

   , South Shetland, Antarctica. We also discuss the current reliability of the model and related population ... had to model the population at the latter site, in order to have a complete estimate of the population ... . From this, we estimated an overall increase of 17% in the total population, including in this figure a ... values of the carrying capacity of the environment (K). This might not be correct due to the restrictions ...

   Meeting Document : WG-EMM-99/16 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)

9. Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations

   Abstract:  We develop a new approach to quantifying habitat use within the foraging ranges of ... satellite-tracked seabirds. We applied kernel estimation techniques to 167 days (3738 locations) of data ... chick rearing period of the breeding cycle at South Georgia. At this time the activity range of these ... . In contrast, kernel estimation reveals that the main foraging areas of these two sympatric ...

   Meeting Document : WG-FSA-99/19 : Автор(ы): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)

10. Variation in the distribution of Antarctic krill Euphausia superba around South Georgia

    Abstract:  Between 1980 and 1997 British Antarctic Survey carried out 11 cruises in the region of ... South Georgia. Here we summarize the length-frequency distributions of krill caught on each of these ... cruises and look particularly at differences between krill taken from the eastern and western ends of the ... size 39.7 mm); cluster 2 were a mixture of year classes (mean size 37.7 mm); cluster 3 were large krill ...

    Meeting Document : WG-EMM-97/47 : Автор(ы): Daly, H.I., Murray, A.W.A., Watkins, J.L.

Страницы