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Table 1 Median concentrations of particulate organic carbon (POC), dissolved organic carbon (DOC), particulate organic phosphorus (POP), dissolved organic phosphorus (DOP), particulate organic nitrogen (PON), and dissolved organic nitrogen (DON) in the studied rivers and their molar ratios

From: C:N:P stoichiometry of particulate and dissolved organic matter in river waters and changes during decomposition

Rivers Date Particulate organic matter Dissolved organic matter
POC PON POP C:N C:P N:P DOC DON DOP C:N C:P N:P
North Han 4/23/2007 700 640 8 1.28 226 185 1535 1108 4 1.62 991 656
8/28/2007 810 350 27 2.70 78 29 1905 665 10 3.34 492 147
10/1/2007 560 300 16 2.18 90 42 980 785 5 1.46 506 348
South Han 5/20/2008 1620 940 23 2.01 182 92 1770 206 4 10.03 1143 114
7/15/2008 2170 440 20 5.76 280 49 1920 35 3 64.02 1653 26
10/8/2008 930 340 11 3.19 218 72 1560 89 3 20.46 1343 79
Han 4/23/2007 2910 815 105 4.17 72 17 3340 1194 6 3.26 1438 459
8/28/2007 1365 2540 118 0.63 30 48 2550 444 47 6.70 140 21
10/1/2007 1110 2305 50 0.56 57 103 1900 690 8 3.21 614 191
Keum 10/15/2005 2175 746 49 3.40 115 34 4185 468 10 10.44 1081 104
11/19/2005 2355 752 72 3.65 84 23 3750 499 8 8.77 1211 147
3/10/2006 2050 368 94 6.50 56 9 3895 811 21 5.60 479 86
6/9/2006 2025 654 80 3.61 65 18 3750 781 14 5.60 692 128
Youngsan 6/14/2006 2650 1555 44 1.99 156 78 4400 985 10 5.21 1137 218
8/14/2006 2080 520 46 4.67 117 25 2820 945 13 3.48 560 161
12/2/2006 1125 525 37 2.50 79 32 2250 655 8 4.01 727 193
2/3/2007 1560 895 32 2.03 126 63 3570 725 14 5.75 659 119
Sumjin 6/14/2006 960 720 29 1.56 86 56 3300 915 8 4.21 1066 270
8/14/2006 930 535 28 2.03 86 43 1830 1190 8 1.79 591 329
12/2/2006 440 590 13 0.87 87 105 975 1140 4 1.00 630 631
2/3/2007 605 530 12 1.33 130 102 1825 1165 3 1.83 1572 860
Mean   1482 812 43 3 115 58 2572 738 10 8 892 252
Median   1365 640 32 2 87 48 2250 781 8 4 727 161
SD   743 603 32 2 64 42 1073 351 10 14 410 225
  1. (Concentration units are in mg m−3, n = 197)