| Water category: | River |
| Pressure categories | Nutrients |
| Pressure detail | NH4-N |
| WFD Indicators- R | Phytoplancton Macrophytes and phytobenthos Composition Abundance |
| Specific Index | Trophic Diatom Index (TDI) |
| Brief text description | Pearson correlation coefficient between TDI and NH4-N. |
| Long text description | Pearson correlation coefficient between TDI and NH4-N : Pearson Correlation Coefficient : 0.430 (p<0.001) Source data from 9 sites, for Vistula river. (Poland) |
| History of development | |
| References | Kwandrans, J. (2002) Upper Vistula River: Response of aquatic communities to pollution and impound-ment. IX. Benthic diatom communities. Polish Journal of Ecology. 50(2):223-236 |
| Geographical region (GIG) - R | |
| Ecoregion - LR | |
| Country | PL Poland |
| Geographical location of source data | Sub-national |
| Reference conditions | Unknown |
| Development | Existing |
| Uncertainty | Unknown |
| Link to document store | No |
| BMW Toolbox | No |
| Entry status | Unvalidated |