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Semi-automated software to count and validate Adélie penguin colonies from aerial photographs
Antarctica. The software is written in MATLAB ®, is freely available and is deployed to users as a graphical ... select the breeding penguins within the colony. Interactive features are provided in the software that ... allow an operator to add penguins omitted in the pattern recognition process, delete falsely-detected ... breeding penguins singly or in groups, selectively process a defined area, and record the running census ...
Meeting Document : WG-EMM-14/54 : Автор(ы): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2014–2015
first time since records began (in 1991), surveys at Signy Island (operational during summer only; 24 ... Edward Point, with no marine mammal entanglements observed at Signy Island or Goudier Island. In total ... , 132 items of marine debris were found in association with seabird colonies at Bird Island, most ... commonly in association with wandering albatrosses (88 items). Two incidences of entangled wandering ...
Meeting Document : SC-CAMLR-XXXIV/BG/27 : Автор(ы): Delegation of the United Kingdom
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Using predators and their prey to characterise the status of the marine ecosystem at South Georgia
status of marine predators might be used to inform ecosystem-based management approaches. In the ... managers must evaluate the applicable scale of these predator indices if they are to be used in management ... decisions; (iii) variability in the krill population is evident at different spatial and temporal scales ... relationships may break down as data series change in duration. We note that relationships that describe ...
Meeting Document : WG-EMM-16/28 : Автор(ы): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2015–2016
(operational 15 November 2015 to 4 March 2016), which is the highest number since recording began in 2010/11 ... entanglements observed at Signy Island or Goudier Island. In total, 127 items of marine debris were found in ... association with seabird colonies at Bird Island, most commonly in association with wandering albatrosses (65 ...
Meeting Document : SC-CAMLR-XXXV/BG/21 : Автор(ы): Delegation of the United Kingdom
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2016/17
(operational 13 November 2016 to 1 March 2017), which is the highest number since observations began in 2010/11 ... marine mammal entanglements were recorded at Goudier Island. In total, 131 items of marine debris were ... found in association with seabird colonies at Bird Island, most commonly in association with wandering ...
Meeting Document : SC-CAMLR-XXXVI/BG/35 : Автор(ы): C. Waluda
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NPOA-Seabirds Science Advisory Group Final recommendations on fields of research for the NPOA Medium Term Research Plan 2006/07–2010/11
effects of fishing on seabird population viability, on apparent gaps in the existing research, and ... interactions in New Zealand fisheries. The recommendations were used in the development of the research plan ...
Meeting Document : WG-FSA-05/46 : Автор(ы): S. Waugh (Convener) (New Zealand)
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Description of an AD Model Builder implementation of the exact time of release and recapture stock assessment model of Tuck et al. (2003)
the Working Group on Fish Stock assessment in 2000 (Tuck et al. 2000; CAMLR-XIX, 2000 paragraphs 3.126 ... , 3.127). The maximum likelihood estimation for this model has more recently been implemented in the AD ... Model Builder software by Dr Tuck. The AD Model Builder executable that implements Tuck et al. (2003) in ...
Meeting Document : WG-FSA-04/75 : Автор(ы): S.G. Candy, A.J. Constable and D. Erceg (Australia)
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Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... Patagonian toothfish (Dissostichus eleginoides) captured by trawl and in the longline fishery. We used a thin ... her readings were not used in the analysis. Estimates of the Von Bertalanffy parameters were L8 ...
Meeting Document : WG-FSA-02/74 : Автор(ы): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko
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Studies of seabirds and seals at Bouvetøya 1998/99
. The main objective for the 1998/99 expedition was to continue the CEMP-monitoring work initiated in ... (Eudyptes chrysolophus) and Antarctic Fur Seal (Arctocephalus gazella). In addition to the CEMP-work, other ... and pup production of fur seals. The following CEMP-parameters were studied in Chinstrap Penguin and ...
Meeting Document : WG-EMM-00/13 : Автор(ы): K. Isaksen (Norway), O. Huyser, S. Kirkman, R. Wanless and W. Wilson (South Africa)
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IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS
times within a breeding season to minimise bias in estimates of the breeding population has long been ... recognised, the considerable work in obtaining one-off counts for population surveys have not been matched by ... for Adélie penguins in east Antarctica. Author(s): C. Southwell, J. McKinlay, L. Emmerson, R ...
Meeting Document : WG-EMM-09/38 : Автор(ы): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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