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Concentrations of nitrate and orthophosphate in rivers and total phosphorus in lakes in the period 1992–2007

Figure Created 05 Nov 2010 Published 05 Nov 2010 Last modified 29 Nov 2012
2 min read
Total number of stations in parenthesis. Concentrations are expressed as weighted means of annual mean concentrations for rivers and lakes. Only stations with time series of seven years or more are included.

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Concentrations of nitrate and orthophosphate in rivers and total phosphorus in lakes in the period 1992–2007 - Excel file

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Additional information

  • The average nitrate concentration in European rivers has decreased from 2.5 to 2.1 mg N/l since 1992.
  • Nutrient levels in lakes are in general much lower than in rivers, but there has also been a 15 % reduction of the average concentrations in lakes.
  • Phosphorus concentrations in European rivers and lakes generally decreased during the last 15 years.
  • Between 2004 and 2007 nitrate concentrations in surface water remained stable or fell at 70 % of monitored sites and quality at 66 % of groundwater monitoring points is stable or improving (EU, 2010).

 

Geographical coverage:

Nitrate in rivers: Austria, Belgium, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Lithuania, Luxembourg, Norway, Poland, Slovakia, Slovenia, Spain, Sweden, Switzerland.

Orthophosphate in rivers: Austria, Belgium, Bulgaria, Denmark, Estonia, Finland, France, Germany, Lithuania, Luxembourg, Norway, Slovakia, Slovenia, Spain, Sweden, Switzerland.

Total Phosphorus in lakes: Austria, Denmark, Estonia, Finland, Hungay, Ireland, Lithuania, Latvia, Slovenia, Sweden, Switzerland.

Related content

Based on data

Used in publications

Publication Assessing biodiversity in Europe — the 2010 report The present report considers the status and trends of pan-European biodiversity, and the implications of these trends for biodiversity management policy and practice. It considers the key biodiversity policy instruments currently applied in Europe, the threats to biodiversity and their management implications across major habitat types. The implications for biodiversity of cross-cutting issues such as tourism and urban planning are also considered, along with the challenges that remain for conserving and sustainably using of Europe's biodiversity. The report makes use of the SEBI 2010 indicators and other relevant national and regional information sources. It does not consider the biodiversity of EU overseas territories and outermost regions.
Publication EU 2010 Biodiversity Baseline The EU 2010 Biodiversity Baseline provides facts and figures on the state and trends of the different biodiversity and ecosystem components. It thereby supports the EU in developing the post‑2010 sub‑targets and provides factual data for measuring and monitoring progress in the EU from 2011 to 2020.

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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/concentrations-of-nitrate-and-orthophosphate or scan the QR code.

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