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