Image VD10-1: Average annual concentration of nitrate in rivers (mg N / l) b> (indicative value for the natural state is 1 mg N / l)
Source: Standardised Database for Water Quality Monitoring, Environmental Agency of the Republic of Slovenia, 2009
Image VD10-2: Average annual concentration of orthophosphate in the rivers (mg P / l) b> (indicative value for the natural state is 10 mg P / l)
Source: Standardised Database for Water Quality Monitoring, Environmental Agency of the Republic of Slovenia, 2009
Image VD10-3: Average annual concentration of ammonia (mg N / l) b> (indicative value for the natural state is 15 mg N / l)
Source: Standardised Database for Water Quality Monitoring, Environmental Agency of the Republic of Slovenia, 2009
Image VD10-4: Average annual value of biochemical oxygen demand - BOD5 (mg O 2 /l)
Source: Standardised Database for Water Quality Monitoring, Environmental Agency of the Republic of Slovenia, 2009
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