Table 1. Emperor penguin population survey 2009 results.
Name | long | lat | image date | area (m2) | BE | image notes | PLC | source | notes |
Cape Colbeck, Edward VII Peninsula | −157.7 | −77.14 | 13/10/2009 | 12262 | 11438 | good | 6358 | [16] | |
Rupert Coast | −143.3 | −75.38 | 20/10/2008 | 1660 | 1550 | good | Uncounted | ||
Ledda Bay | not found | 27/10/2009 | 0 | 0 | NA | Uncounted | Sea ice gone before image taken | ||
Thuston Glacier, Mt Siple | −125.621 | −73.5 | 17/10/2009 | 3205 | 2989 | good | 2500 | [11] chick estimate | Previous count very late in the season |
Bear Peninsula | −110.25 | −74.35 | 18/11/2009 | 10144 | 9457 | good | Uncounted | ||
Brownson Islands | −103.64 | −74.35 | 18/11/2009 | 6140 | 5732 | poor | Uncounted | Heavy guano | |
Noville Peninsula | −98.45 | −71.77 | 17/11/2009 | 3822 | 3568 | poor | Uncounted | Heavy guano | |
Smyley | −78.83 | −72.3 | 12/11/2009 | 6496 | 6061 | good | Uncounted | ||
Smith | −60.83 | −74.37 | 30/10/2009 | 4307 | 4018 | good | Uncounted | ||
Dolleman | −60.43 | −70.61 | 04/10/2009 | 1737 | 1620 | good | Uncounted | Small part of colony missing in image | |
Snowhill | −57.44 | −64.52 | 26/10/2009 | 2321 | 2164 | poor | 3885 | [19] | |
Gould | −47.68 | −77.71 | 14/10/2009 | 8833 | 8242 | good | 7500 | [34] | |
Luitpold | −33.6 | −77077 | 12/11/2009 | 6969 | 6498 | good | Uncounted | ||
Dawson | ∼−26.67 | ∼−76.02 | 13/10/2009 | 2784 | 2597 | good | 11700 | Asplin -unpublished BAS report 1986 | |
Halley | −27.43 | −75.54 | 27/10/2009 | 24127 | 22510 | good | 14300 | Asplin -unpublished BAS report 1987 | |
Stancomb | −23.09 | −74.12 | 21/10/2009 | 5849 | 5455 | fair | 3000 | Asplin –unpublished BAS report 1986 | Small amount of smearing |
Drescher | −19.34 | −72.83 | 04/10/2009 | 2469 | 2305 | fair | 6600 | [35] | No guano, analysis on panchromatic band only |
Riiser | −15.11 | −72.12 | 27/10/2009 | 4304 | 4013 | fair | 5900 | [35] | High cloud- cover |
Atka | −8.13 | −70.61 | 08/09/2009 | 10355 | 9657 | good | 8000 | [35] | |
Sanae | −1.42 | −70 | 28/10/2009 | 3423 | 3193 | good | 113 | [36] | |
Astrid | 8.31 | −69.95 | 28/11/2009 | 1467 | 1368 | poor | Uncounted | Late image, colony already dispersed | |
Lazarev | 15.55 | −69.75 | 11/10/2009 | 881 | 821 | fair | 4500 | [37] | |
Ragnhild | 27.15 | −69.9 | 10/10/2009 | 7362 | 6870 | good | Uncounted | ||
Gunnerus | 34.38 | −68.75 | 31/10/2009 | 4989 | 4652 | fair | 7000 | [28] | |
Umbeashi | 43.01 | −68.05 | 14/10/2009 | 156 | 146 | good | 225 | [28] | |
Amundsen Bay | 50.55 | −66.78 | 20/10/2009 | 94 | 88 | poor | 250 | [39] | Small, difficult to assess |
Kloa Point | 57.28 | −66.64 | 13/11/2009 | 3521 | 3283 | good | 4500 | [38] | |
Fold Island | 59.32 | −67.32 | 14/10/2009 | 228 | 213 | good | 348 | [38] | |
Taylor Glacier | 60.88 | −67.45 | 21/10/2009 | 556 | 519 | fair | 2900 | [11] | Some smearing over colony |
Auster | 63.98 | −67.39 | 25/10/2009 | 8422 | 7855 | poor | 11000 | [11] | |
Cape Darnley | 69.7 | −67.88 | 15/10/2009 | 3713 | 3465 | good | 5000 | [40] | |
Amanda Bay | 76.83 | −69.27 | 13/10/2009 | 7315 | 6831 | good | 9000 | [38] | |
Haswell Island | 93.01 | −66.52 | 27/08/2009 | 3482 | 3247 | poor | 17000 | Multispectral image bad, reanalysed with panchromatic image | |
Shackleton Ice Shelf | 96.02 | −64.86 | 10/10/2009 | 6937 | 6471 | good | Uncounted | ||
Bowman Island | 103.07 | −65.16 | 26/10/2009 | 1724 | 1609 | good | Uncounted | Good image | |
Peterson Bank | 110.23 | −65.92 | 24/11/2009 | 0 | 0 | NA | 1000 | [18] | Late image, colony dispersed |
Dibble Glacier | 134.79 | −66.01 | 12/10/2009 | 13377 | 12476 | fair | Uncounted | Analysis of panchromatic only | |
Point Geologie | 140.01 | −66.67 | 01/10/2009 | 2632 | 2456 | poor | 2300 | [11] | Streaking in panchromatic band |
Mertz Glacier | 146.62 | −66.892 | 17/11/2009 | 5122 | 4781 | poor | Uncounted | Huddles small and difficult to assess | |
Davis Bay | 158.49 | −69.35 | 11/10/2009 | 1870 | 1745 | good | Uncounted | ||
Cape Washington | 165.37 | −74.64 | 16/10/2009 | 12663 | 11808 | good | 16822 | [16]adults | Good image, lots of guano, may be underestimate |
Beaufort Island | 167.02 | −76.93 | 12/10/2009 | 1758 | 1641 | poor | 1312 | [16] adults | colony in shadow, difficult to differentiate |
Franklin Island | 168.43 | −76.18 | 13/10/2009 | 8101 | 7561 | good | 2460 | [16]adults | probable over-estimate |
Cape Crozier | 169.32 | −77.46 | 11/10/2009 | 325 | 303 | good | 437 | [16]adults | Small colony, image OK. |
Coulman Island | ∼169.61 | ∼−73.35 | 16/10/2009 | 27114 | 25298 | fair | 31432 | [16]adults | Streaking in panchromatic band |
Cape Roget | 170.59 | −71.99 | 16/10/2009 | 10186 | 9505 | fair | 7207 | [3] chicks counted1996 | Some streaking in panchromatic band; results may be overestimate |
Total | 238079 |
Table 1 presents the locations and best population estimate (BE) for each emperor penguin colony in the survey. The table also gives the image quality and the most recently published count for the colonies that have been previously counted with corresponding references.