Station group	Corresponding cruises	Enclosed station codes	Sample number (n)	Longhurst province
PAP     (PA)	D341 	16523; 16544; 16559; 16583; 16592; 16619; 16640; 16659; 	8	NADR
Iceland (Ice)	D321, D350, D354	16204; 16209; 16222; 16226; 16247; 16260; 16274; 16285; 16286; 02A; 03A; 04A; 05A; 06A; 07A; 4; 6; 18; 27; 28; 33; ; 8; 10; 15; 16; 20; 22; 24	28	SARC, ARCT
Crozex (Cro) 	D285-D286	M3.2; M6.1; M3.3; M7; M8E; M8W; M3.4; M5; M3.5; M6.2; M2.2; M3.7	11	SANT
Atlantic gyres (AG)	AMT-14	CTD05; CTD14; CTD 25; CTD 35; CTD43; CTD52; CTD79	7	NASE, NATR, WTRA, SATL