Table 1. Details of cruises analysed in this study.

Cruise	Date	Geographic region	Latitude/longitude	Sampling	Reference
AMBITION	03/09/01 to 27/09/01	Arabian Sea	1°S–26°N, 56–67°E	11 stations, 6 depths	Fuller et al. (2006a)
AMT15	19/09/04 to 26/10/04	Atlantic Meridional Transect	48°N–40°S, 25°W–10°E	21 stations, 6 depths	Kirkham et al. (2011a)
ARCTIC	24/08/02 to 31/08/02	Arctic Ocean	70–79°N, 3–23°E	11 stations, 5 depths	Not et al. (2005) and this study
ELLETT	25/08/07 to 04/09/07	Northern North Atlantic	63–57°N, 20–7°W	9 Stations, 5–6 depths	Kirkham et al. (2011b)
BEAGLE	08/07/03 to 13/01/04	Circumnavigation of the Southern Hemisphere	20–32°S	15 Stations (surface only)	Bouman et al. (2006) and this study
BIOSOPE	27/10/04 to 06/12/04	Eastern South Pacific Ocean	8–34°S, 141–72°W	11 Stations 6 depths	Lepère et al. (2009)
VANC10MV	16/05/03 to 11/06/03	Indian Ocean	35–43°S, 24–113°E	15 stations, 6 depths	Not et al. (2008) and this study