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Table 1 Mass balance of N, C, P and Si selected compounds for Solina and Myczkowce reservoirs

From: The qualitative and quantitative analysis of the coupled C, N, P and Si retention in complex of water reservoirs

Studied compound Year Solina Myczkowce Complex of reservoirs
Input (t year−1) Output (t year−1) Retention (%) Elimination (%) Input (t year−1) Output (t year−1) Retention (%) Elimination (%) Input (t year−1) Output (t year−1) Retention (%) Elimination (%)
Total nitrogen 2004 1702 1528 174 (10)   1536 1579   43 1711 1579 132 (8)  
2005 1750 1313 437 (25)   1260 1323   63 1697 1323 374 (22)  
2006 2419 2509   90 2579 2647   68 2489 2647   158
Nitrate nitrogen 2004 1021 940 81 (8)   1044 970 74 (7)   1059 970 89 (8)  
2005 1102 892 210 (19)   819 798 21 (3)   1159 798 361 (31)  
2006 1510 1562   52 1779 1761 18 (1)   1610 1761   151
Ammonia nitrogen 2004 136 163   27 144 158   14 137 158   21
2005 144 176   32 149 150   1 151 150 1 (0,6)  
2006 206 257   51 204 194 10 (5)   208 194 14 (7)  
Total phosphorus 2004 92 71 21 (23)   79 76 3 (4)   101 76 25 (25)  
2005 72 43 29 (40)   48 51   3 76 51 25 (33)  
2006 84 67 17 (20)   74 77   3 95 77 18 (19)  
Phosphate phosphorus 2004 42 26 16 (38)   28 29   1 46 29 17 (40)  
2005 35 19 16 (46)   21 35   14 39 35 4 (10)  
2006 39 22 17 (44)   25 24 1 (4)   40 24 16 (40)  
Dissolved silica 2004 1938 1603 335 (17)   1728 1748   20 2167 1748 419 (19)  
2005 1868 1834 34 (2)   1916 1564 352 (18)   2056 1564 492 (24)  
2006 2036 1924 112 (5)   2025 2142   117 2244 2142 102 (5)  
Total organic carbon 2004 2491 2354 137 (5)   2493 2304 189 (8)   2589 2304 285 (11)  
2005 2813 2277 536 (19)   2402 2226 176 (7)   2837 2226 611 (22)  
2006 2477 2141 336 (14)   2272 2087 185 (8)   2517 2087 430 (17)  
  1. All values of Input and output are calculated with errors ±19 %