Résultats de la recherche

1. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

   point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR Ecosystem ... presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... the breeding season to an estimate of the breeding population. The development of ‘availability ... adjustment factors’ involves the collection of time-series counts of population objects, such as adults ... sufficient data to effec- tively capture the shape of the function. To this end, expert knowledge, in the ... reference point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR ... in the number of birds at the breeding colony as females leave the breeding site shortly after ... between first and last egg-lay. The number of occupied nests present after the last eggs have been laid ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Auteur(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

2. Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica

   Abstract:  During seven operations involving the setting and hauling of long-lines to catch ... Dissostichus eleginoides around the South Sandwich Islands (Statistical Sub-area 48.4), actual y potential ... Georgia were rare; their vulnerability to long- lining operations in the South Sandwich Islands is ... interactions with seabirds were assessed. Bird numbers increased rapidly after dawn and large numbers of Cape ...

   Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Auteur(s): Delegations of United Kingdom and Chile

3. Diving location and depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island, Antarctica

   their foraging area and dive depth between incubation and chick-rearing, possibly due to the increased ... need of chick-feeding and the temporal changes in prey availability between the two reproduction stages ... Abstract:  Breeding birds can increase their foraging efforts to feed chicks after hatching. We ...

   Meeting Document : WG-EMM-17/P01 : Auteur(s): W.Y. Lee, S. Park, N. Choi, K.W. Kim, H. Chung and J.-H. Kim

4. Foraging range and at-sea locations of female Antarctic fur seals, Cape Shirreff, Livingston Island, from 1999–2002

   successful at-sea satellite locations (mean: 12/day/female, SE±0.11), after the data were filtered to ... Abstract:  During the breeding season, Antarctic fur seals are central-place foragers, ranging ... survival but that of her young. As such, a fundamental component to understanding the survival and ... reproductive success of fur seals is to identify habitat preferences. Our objective was to characterize the ...

   Meeting Document : WG-EMM-02/53 : Auteur(s): M.E. Goebel, S.N. Sexton and D.P. Costa (USA)

5. Histopathology of Antarctic krill, Euphausia superba, bearing black spots

   infections, and the parasitized spots were secondary infected by environmental bacteria after the parasites ... Abstract:  Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ... superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ...

   Meeting Document : WG-EMM-08/P09 : Auteur(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu

6. Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05

   Abstract:  This study estimates the mortality of seabirds in the South African deep water hake ... during 20 trips on 14 vessels between mid-2004 and end 2005. Long-winged albatrosses were killed most ... of fishery wastes. Using a bootstrapping approach to estimate 95% confidence intervals (CI), the ... the total impact of the fishery requires assumptions about total fishing effort, the proportion of ...

   Meeting Document : WG-FSA-06/41 : Auteur(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)

7. A method to evaluate selection of Antarctic krill in towed fishing gears

   selectivity by mathematical modeling. After making modifications with the procedures in FISHSELECT to ... Abstract:  The pelagic trawlers involved in the fishery for Antarctic krill (Euphausia superba ... ) apply different trawl designs. Very little information exists on the size selectivity of E. superba ... is valuable information for the management of harvested marine stocks. Size selectivity data is ...

   Meeting Document : WG-EMM-13/34 : Auteur(s): L.A. Krag, B. Herrmann (Denmark), S. Iversen, A. Engås, S. Nordrum and B.A. Krafft (Norway)

8. Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)

   1987 and 1988. After a continuous reduction in average length since the creation of the EEZ, a slight ... / Description:  The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... Island) have made possible a review of the status of the various harvested fish stocks. Since 1984, an ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... 6). After a continued decrease in the average length observed between 1983/84 and 1986/87 (Duhamel ... DIVISION 58.5.1 (KERGUELEN) G. Duhamel Abstract The results of fishing cruises carried out from 1986 ... /87 to 1988/89 in Division 58.5.1 (Kerguelen Island) have made possible a review of the status of ... the various harvested fish stocks. Since 1984, an average annual growth of 36% has been noted in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Auteur(s): Duhamel, G.

9. e-cc-xxx-a5.pdf

   ... that the reduction of timing should be tested at the next meeting and assessed at the end of CCAMLR ... continue his consultations among CCAMLR Members to identify a candidate for Chair of SCAF from the end of ... the 2011 meeting until the end of the 2013 meeting. ADOPTION OF THE REPORT 50. The report of the ... e-cc-xxx-a5.pdf ANNEX 5 REPORT OF THE STANDING application/pdf attached to:SCAF-11

   Meeting Report : SCAF-11

10. Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot

    towards the end of the reproductive season, during 29 January to 1 March 2009, and during the study, the ... ecosystems and also for the krill fishing industry. Despite the importance of such krill hotspots, their ... spawning state is not well described or understood. In the present study, a krill fishing vessel during ... demographic composition and the continuous acquisition of acoustic data for studying their distribution within ...

    Meeting Document : WG-EMM-14/15 : Auteur(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)

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