King penguin population threatened by Southern Ocean warming

Le Bohec et al10.1073/pnas.0712031105XXYYYYY104.

Supporting Tables

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Table 3. Environmental variables examined

Â	Study periods
Variables	Annual breeding cycle (November t-1 to October t)	Winter (June t to October t)	Summer (November t-1 to May t)	Spring and summer [Chla] window (September t-1 to April t)	Chla bloom (October to December t-1)	Time lag, years
Sea surface temperature (SST)	Â	Â	Â	Â	Â	Â
Sectors	Â	Â	Mean mini and maxi (date)	Mean	Mean	0-2
Crozet: (43-47Â°S, 46-56Â°E)	Mean	Mean	Â	Â	Â	Â
South Crozet: (48-60Â°S, 46-56Â°E)	Mean per each 2Â° of latitude	Mean per each 2Â° of latitude	Mean per each 2Â° of latitude	Ã˜	Ã˜	0-2
Chlorophyll-a concentration [Chla]	Â	Â	Â	Â	Â	Â
Crozet : (43-47Â°S, 46-56Â°E)	Mean	Ã˜	Maxi (date)	Mean	Mean	0
Southern Oscillation Index (SOI)	Mean	Mean	Mean	Ã˜	Mean	0-2

Mean values of sea surface temperature (SST, Â°C) and Chlorophyll-a concentration ([Chla], mg.m^-3) in the area centered on Crozet Islands (43-47Â°S, 46-56Â°E), of SST in the South sector of Crozet Archipelago (48-60Â°S, 46-56Â°E) and of SOI were calculated according to different periods. Minimum SST, maximum SST, maximum [Chla] and their associated time were also determined for the sector of Crozets. Time lags were tested from 0 (year t) to 2 (year t - 2). Ã˜, not tested.