Zone plankton_size_fraction Bulk_15N Bulk_15N_significant_difference trophicAA_Glx trophicAA_Glx_significant_difference trophicAA_Asp trophicAA_Asp_significant_difference trophicAA_Ala trophicAA_Ala_significant_difference trophicAA_Ile trophicAA_Ile_significant_difference trophicAA_Leu trophicAA_Leu_significant_difference trophicAA_Pro trophicAA_Pro_significant_difference trophicAA_Val trophicAA_Val_significant_difference sourceAA_Gly sourceAA_Gly_significant_difference sourceAA_Ser sourceAA_Ser_significant_difference sourceAA_Lys sourceAA_Lys_significant_difference sourceAA_Phe sourceAA_Phe_significant_difference metabAA_Thr metabAA_Thr_significant_difference CSI_AA_TP CSI_AA_TP_significant_difference CSI_AA_sigmaV CSI_AA_sigmaV_significant_difference West 40-200 2.6 a 11.9 a 8.7 b 12.3 b 8.7 a 8.5 no significant difference 8.6 no significant difference 10.2 a 3.4 c 2.7 b 1.8 b -0.2 b -10.5 c 2.2 a 1.4 no significant difference West 200-500 2.7 a 11.7 a 7.8 a 11.4 a 7.9 a 7.4 no significant difference 8.4 no significant difference 9.5 a 2.3 b 2.6 b 1.3 b -0.8 b -10.8 c 2.2 a 1.1 no significant difference West 500-1000 2.8 a 13.2 b 9 b 12.5 b 8.5 a 8.5 no significant difference 9.8 no significant difference 9.7 a 2.9 c 1.3 a 1 b 0.3 b -11.6 b 2.2 a 1.4 no significant difference West 1000-2000 3 a 14.7 c 9.9 c 14.8 c 11.9 c 8.5 no significant difference 10.2 no significant difference 11.7 b 2.1 b 3.2 b 1 b -0.4 b -13.9 a 2.5 b 1.2 no significant difference West greater than 2000 4.3 b 12.4 a 8.6 b 12 b 9.9 b 8.9 no significant difference 9.3 no significant difference 9.9 a -0.8 a 0.4 a -0.2 a -1.8 a -14.5 a 2.4 b 1.6 no significant difference Central 40-200 0.4 a 8.6 a 6 no significant difference 8.8 a 5.7 a 5.8 no significant difference 5.9 a 6.6 a 1.4 d -0.8 a 0 no significant difference -1.1 no significant difference -9.9 d 1.8 a 1.8 no significant difference Central 200-500 1.1 a 10.3 b 6.7 no significant difference 9.7 b 6 a 5.9 no significant difference 6.7 b 7.6 b 0.4 b 0.8 b -0.8 no significant difference -1.6 no significant difference -12.9 c 2.1 b 1.5 no significant difference Central 500-1000 0.9 a 11 c 7.7 no significant difference 11.8 c 7.8 b 7.7 no significant difference 8.2 c 9.1 c 0.6. b.c. 1.2 b 0.1 no significant difference -1.8 no significant difference -15.5 b 2.2 b 1.5 no significant difference Central 1000-2000 1.3 a 11.6 d 6.4 no significant difference 12.6 d 8.2 b 4.3 no significant difference 8.6 c 8.7 d 0.8 c 1.5 b 2.3 no significant difference -0.8 no significant difference -15.1 b 2.2 b 1.4 no significant difference Central greater than 2000 1.9 b 11.9 d 8.4 no significant difference 13.4e e 8.7 b 8.7 no significant difference 9.9 d 10.0e e -1.4 a 0.7 b -0.2 no significant difference -0.9 no significant difference -16.7 a 2.2 b 1.6 no significant difference East 40-200 3.1 no significant difference 13 a 9.2 a 12.2 a 8.9 a 8.7 a 9.3 a 10.8 b 3.9 c 2.6 no significant difference 2.3 a 0.1 no significant difference -9.8 b 2.2 no significant difference 1.4 no significant difference East 200-500 3.5 no significant difference 12.2 a 9.8 b 13.2 b 9 a 8.5 a 10 a 10.1 a 4 c 3.2 no significant difference 2.7 a -0.3 no significant difference -10 b 2.2 no significant difference 1.4 no significant difference East 500-1000 3.8 no significant difference 12.7 a 10 b 13.7 c 8.8 a 9.2 b 10.9 b 11 b 3.9 c 4 no significant difference 2.2 a 0 no significant difference -10.2 b 2.2 no significant difference 1.4 no significant difference East 1000-2000 4.1 no significant difference 13.9 b 11.1 c 15.1 d 10.8 b 10.6 c 10.9 b 11.6 b 1.7 a 2.9 no significant difference 4.2 b 0.7 no significant difference -12.3 a 2.4 no significant difference 1.3 no significant difference East greater than 2000 3.9 no significant difference 14.1 b 10.7 c 15.4 d 11.4 b 11.6 d 11.3 b 12.6 c 3 b 3.2 no significant difference 2.6 a 0.2 no significant difference -12.6 a 2.4 no significant difference 1.1 no significant difference