Image analysis of color aerial photography to estimate penguin population size

Wildlife Society Bulletin

Volumn 32, Issue 2, 2004, Pages 332-343

  Trathan, Philip N ^a,b  

^a BRITISH ANTARCTIC SURVEY   (United Kingdom)

^b British Antarctic Survey's ^*  (United Kingdom)

Author keywords

Aerial photography; Image analysis; Penguin population estimate; South Georgia

Indexed keywords

AERIAL PHOTOGRAPH; ESTIMATION METHOD; IMAGE ANALYSIS; POPULATION SIZE;

ANTARCTICA; BIRD ISLAND; SOUTH GEORGIA;

AVES; CHRYSOLOPHUS; EUDYPTES; EUDYPTES CHRYSOLOPHUS; SPHENISCIDAE;

EID: 3242740469     PISSN: 00917648     EISSN: None     Source Type: Journal    
DOI: 10.2193/0091-7648(2004)32[332:IAOCAP]2.0.CO;2     Document Type: Review

References (26)

1. AGNEW, D. A. 1997. The CCAMLR ecosystem monitoring programme. Antarctic Science 9: 235-242.
2. BARLOW, K. A., I. L. BOYD, J. P. CROXALL, I. J. STANILAND, AND K. REID. 2002. Competition for Antarctic resources: are seals supplanting penguins at South Georgia? Marine Biology 140: 205-213.
3. BOYD, I. L. 2002. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins. Journal of Applied Ecology 39: 103-119.
4. BUTLER, R. G., AND D. MULLER-SCHWARZE. 1977. Penguin census by aerial photographic analysis at Cape Crozier, Ross Island. Antarctic Journal of the USA 12: 25-27.
5. CHAMAILLE-JAMMES, S., C. GUINET, F. NICOLEAU, AND M. ARGENTIER. 2000. A method to assess population changes in king penguins: the use of a Geographical Information System to estimate area-population relationships. Polar Biology 23: 545-549.
6. COMMISSION FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES. 1992. Standard methods for monitoring studies. Convention for the Conservation of Antarctic Marine Living Resources, Hobart, Tasmania.
7. CROXALL, J. P. 1985. The Adelie penguin (Pygoscelis adeliae). Biologist 32: 165-170.
8. CROXALL, J. P. 1994. BIOMASS-CCAMLR relations: past, present and future. Pages 339-353 in S. Z. El-Sayed, editor. Southern Ocean ecology: the BIOMASS perspective. Cambridge University Press, Cambridge, United Kingdom.
9. CROXALL, J. P., AND I. L. BOYD. 2000. A brief description of species monitored by the CCAMLR ecosystem monitoring program in Understanding CCAMLR's approach to management. CCAMLR, Hobart, Tasmania. Available online at http://www.ccamlr.org/pu/e/pubs/am/p9.htm (accessed 4 February 2004).
10. CROXALL, J. P., T S. MCCANN, P. A. PRINCE, AND P. ROTHERY. 1988. Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies. Pages 261-285 in D. Sahrhage, editor. Antarctic ocean and resources variability. Springer-Verlag, Berlin, Germany.
11. CROXALL, J. P., AND P.A. PRINCE. 1979. Antarctic seabird and seal monitoring studies. Polar Record 19: 573-595.
12. CROXALL, J. P., AND P.A. PRINCE. 1980. The food of gentoo penguins Pygoscelis papua and macaroni penguins Eudyptes chrysolophus at South Georgia. Ibis 122: 245-253.
13. CROXALL, J. P., P. A. PRINCE, AND C. RICKETTS. 1985. Relationships between prey life-cycles and the extent, nature and timing of seal and seabird predation in the Scotia Sea. Pages 516-533 in W. R. Siegfried, P. R. Condy, and R. M. Laws, editors. Antarctic nutrient cycles and food webs. Springer-Verlag, Berlin, Germany.
14. FRASER, W. R., J. C. CARLSON, P.A. DULEY, E. J. HOLM, AND D. L. PATTERSON. 1999. Using kite-based aerial photography for conducting Adelie penguin censuses in Antarctica. Waterbirds 22: 435-440.
15. GUINET, C., P. JOUVENTIN, AND J. MALACAMP. 1995. Satellite remote sensing in monitoring change in seabirds: use of SPOT Image in king penguin population increase at Ile aux Cochons, Crozet Archipeligo. Polar Biology 15: 511-515.
16. LAWS, R. M. 1977. The significance of vertebrates in the Antarctic marine ecosystem. Pages 411-438 in G. A. Llano, editor. Adaptations within Antarctic ecosystems. Proceedings of the Third SCAR Symposium in Antarctic Biology, Smithsonian Institution, Washington D.C., USA.
17. SLADEN, W. J. L., AND R. E. LERESCHE. 1970. New and developing techniques in Antarctic ornithology. Pages 585-596 in M.W. Holdgate, editor. Antarctic ecology. Academic Press, London, United Kingdom and New York, New York, USA.
18. SOILLE, P. 1999. Morphological image analysis: principles and applications. Springer-Verlag, Berlin, Germany.
19. STONEHOUSE, B. 1969. Air census of two colonies of Adelie penguins (Pygoscelis adeliae) in Ross Dependency, Antarctica. Polar Record 14: 471-475.
20. TAYLOR, R. H., P. R. WILSON, AND B. W. THOMAS. 1990. Status and trends of Adelie penguin populations in the Ross Sea region. Polar Record 26: 292-304.
21. TRATHAN, P. N., E. J. MURPHY, J. P. CROXALL, AND I. EVERSON. 1998. Use of at-sea distribution data to derive potential foraging ranges of macaroni penguins during the breeding season. Marine Ecology-Progress Series 169: 263-275.
22. TRIVELPIECE, W. Z., S. G. TRIVELPIECE, G. R. GEUPEL, J. KJELMYR, AND N. J. VOLKMAN. 1990. Adelie and chinstrap penguins: their potential as monitors of the Southern Ocean marine ecosystem. Pages 191-202 in K. R. Kerry, and G. Hempel, editors. Antarctic ecosystems, ecological change and conservation. Springer-Verlag, Berlin, Germany.
23. WILLIAMS, T. D. 1995. The penguins. Oxford University Press, Oxford, United Kingdom.
24. WILLIAMS, T. D., AND J. P. CROXALL. 1991. Annual variation in breeding biology of the macaroni penguins, Eudyptes chrysolophus, at Bird Island, South Georgia. Journal of Zoology, London 223: 189-202.
25. WOEHLER, E. J. 1993. The distribution and abundance of Antarctic and Sub-Antarctic penguins. Scientific Committee on Antarctic Research, Hobart, Tasmania.
26. WOEHLER, E. J., AND M. J. RIDDLE. 1998. Spatial relationships of Adelie penguin colonies: implications for assessing population changes from remote imagery. Antarctic Science 10: 449-454.