Quality Elements (WFD Annex V) Biological quality elements Quality Elements (WFD Annex V) Phytoplankton Biological quality elements Other aquatic flora Biological quality elements Macroalgae Other aquatic flora Angiosperms Other aquatic flora Macrophytes Other aquatic flora Phytobenthos Other aquatic flora Benthic invertebrates Biological quality elements Fish Biological quality elements Other species Biological quality elements Hydromorphological quality elements Quality Elements (WFD Annex V) Hydrological or tidal regime Hydromorphological quality elements River continuity conditions Hydromorphological quality elements Morphological conditions Hydromorphological quality elements Chemical and physico-chemical quality elements Quality Elements (WFD Annex V) General parameters Chemical and physico-chemical quality elements Transparency conditions General parameters Secchi disk depth Transparency conditions Other determinand for transparency Transparency conditions Thermal conditions General parameters Water temperature Thermal conditions Other determinand for thermal conditions Thermal conditions Oxygenation conditions General parameters Oxygen saturation Oxygenation conditions Dissolved oxygen Oxygenation conditions Other determinand for oxygenation conditions Oxygenation conditions Salinity conditions General parameters Practical salinity units Salinity conditions Other determinand for salinity Salinity conditions Acidification status General parameters Acid neutralising capacity Acidification status pH Acidification status Other determinand for acidification status Acidification status Nutrient conditions General parameters Nitrogen conditions Nutrient conditions Nitrate Nutrient conditions Nitrite Nutrient conditions Non-ionised ammonia Nutrient conditions Ammonium Nutrient conditions Total nitrogen Nutrient conditions Phosphorus conditions Nutrient conditions Orthophosphate Nutrient conditions Total phosphorous Nutrient conditions Silicate Nutrient conditions Other determinand for nutrient conditions Nutrient conditions Priority substances Chemical and physico-chemical quality elements River Basin Specific Pollutants Chemical and physico-chemical quality elements Other pollutants Chemical and physico-chemical quality elements