Year Date Value_Description Mouth Mouth_SE West West_SE East East_SE 1 11-Jun Total_N2_fixation nd nd nd nd nd nd 1 11-Sep Total_N2_fixation 2.27 0.05 1.64 0.05 1.82 0.02 1 11-Nov Total_N2_fixation 10.96 1.59 8.15 0.41 4.72 1.50 1 11-Jun SRB_N2_fixation nd nd nd nd nd nd 1 11-Sep SRB_N2_fixation 1.36 0.05 0.98 0.05 1.18 0.04 1 11-Nov SRB_N2_fixation 7.39 1.59 6.37 0.62 0.58 2.07 1 11-Jun Potential_denitrification 2.91 0.06 2.20 0.02 2.31 0.10 1 11-Sep Potential_denitrification 1.19 0.11 2.03 0.43 2.19 0.63 1 11-Nov Potential_denitrification 13.80 0.52 14.72 0.74 14.56 2.94