Search results
-
Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia
Abstract: Population dynamics of Black-browed and Grey-headed Albatrosses were studied at Bird ... Albatross colonies decreased, at an average rate of 1.8% per annum. Although the total Black-browed ... Albatross population increased (at 0.8% p.a.), 14 of the 23 colonies (including both study colonies ... : Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at ...
Meeting Document : WG-CEMP-93/06 : Author(s): P.A. Prince, P. Rothery, J.P. Croxall and A.G. Wood (United Kingdom)
-
CASAL model evaluation incorporating the calculation of harvest rate for D. eleginoides at Division 58.4.4b
built to assess the stock of D. eleginoides at the research block 1 of Division 58.4.4b. The base model ... at the block 1 of Division 58.4.4b (Table 1). Changing IUU level (26.5 t to 40 t) in 2009/10 fishing ... calculation of harvest rate for D. eleginoides at Division 58.4.4b Approval: Approved Secretariat Workflow ... Abstract: In order to achieve the milestone “1.5 Update CASAL model” of the ongoing research plan ...
Meeting Document : WG-FSA-2019/62 : Author(s): T. Okuda and F. Massiot-Granier
-
Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03
mean number of pairs at colonies also decreased and was significantly related to the overall number of ... precipitation at Marion Island and with a decrease in the number of gentoo penguins Pygoscelis papua breeding ... conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03 Approval ... Abstract: The number of Crozet shags or cormorants Phalacrocorax [atriceps] melanogenis breeding ...
Meeting Document : WG-EMM-03/17 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)
-
Acoustic estimates of krill abundance at South Georgia, 1981–1998
Abstract: Acoustic estimates of abundance of the Antarctic krill, Euphausia superba, at South ... subsidiary during other studies of the pelagic ecosystem at South Georgia. Krill abundance at the island ... : Acoustic estimates of krill abundance at South Georgia, 1981–1998 Approval: Approved ... includes some previously published estimates arising from cruises where determination of krill density was ...
Meeting Document : WS-AREA 48-98/9 : Author(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
-
Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019
calculated at 50,897 tonnes with a lower 1-sided 95% interval estimate of 30,288 tonnes. This is lower than ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... : Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019 ... Abstract: The UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the FV Sil between ...
Meeting Document : WG-FSA-2019/20 : Author(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... the need for sustained monitoring and continuing publicity aimed at preventing the disposal of debris ... at sea. Author(s): Delegation of the United Kingdom Title: Entanglement of Antarctic fur seals ... . Only seven seals were observed entangled in the winter, a drop of 59% from 1996. Four of these records ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Author(s): Delegation of the United Kingdom
-
Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data of ... toothfish catch-at-length and catch-at-age from the Ross Sea up to the end of the 2003–04 fishing season ... . Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand) Title: Stratification of catch-at ... sampled catch based on the median length of Antarctic toothfish for each set using the observer length ...
Meeting Document : WG-FSA-SAM-05/8 : Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
-
Preliminary results from CEMP monitoring of Antarctic fur seals, chinstrap penguins and macaroni penguins at Bouvetøya 1996/97
with results from other CEMP-re1ated work (entanglement of fur seals, and diving behaviour and population ... with results from other CEMP-re1ated work (entanglement of fur seals, and diving behaviour and population ...
Meeting Document : WG-EMM-97/20 : Author(s): Hofmeyr, G.J.G., Dyer, B.M., Næstvold, A., Mehlum, F., Gjertz, I., Bakken, V., Isaksen, K., Huyser, O.
-
Using predators and their prey to characterise the status of the marine ecosystem at South Georgia
status of the marine ecosystem at South Georgia Microsoft Word File: emm-16-28.docx Approval: Approved ... Abstract: Increased awareness about the present status of marine systems, including those where ... fisheries target the prey of natural predators, has led to recommendations about how information on the ... status of marine predators might be used to inform ecosystem-based management approaches. In the ...
Meeting Document : WG-EMM-16/28 : Author(s): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada
-
Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR fisheries in division 58.5.2
for both sexes combined, resulting in values of: L8 = 635 mm, K = 0.088 and t0 =-1.8. The size at ... operations in the Heard Island region in 2000. The size at which 50% of the fish population is mature, L50 ... was 417 mm total length and the size at which 50% of the fish population have spawned for the first ... . Constable (Australia) Title: Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR ...
Meeting Document : WG-FSA-02/48 : Author(s): E.M. van Wijk, R. Williams and A.J. Constable (Australia)