Table 3. The source, timespan, spatial and temporal resolution and whether temporal climatologies were calculated for oceanographic data for comparison between overlapping and non-overlapping foraging regions.

Variable	Source	Frequency	Spatial resolution a	Timespan	Variance
SST—sea surface temperature	NOAA Optimum Interpolation daily Sea Surface Temperature b	5 days	0.25 degree	1988–2011	Yes
SSHa—sea surface height anomaly	AVISO c	7 days	1/3 degree (Mercator)	1999–2011	Yes
CHLa—chlorophyll a concentration	MODIS d	8 days	0.1 degree	2002–2011	Yes

^aAll data were reprojected into 1 degree pixels

^bOI-daily: http://www.ncdc.noaa.gov/oa/climate/research/sst/oi-daily.php

^cAVISO: http://www.aviso.oceanobs.com/en/data/products/sea-surface-height-products/global/index.html

^dMODIS: http://oceancolor.gsfc.nasa.gov/