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Map of winter oxidized nitrogen concentrations observed in 2005
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The low category refers to values within the lowest 20th percentile and the high category refers to values within the upper 20th percentile of concentrations in a regional sea
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Nutrients in transitional, coastal and marine waters (CSI 021) - Assessment published Jul 2011
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Decreasing nutrient concentrations were found in the North Sea and in the Baltic Sea. In the Mediterranean and Black Sea, the lack of temporally and spatially comprehensive time series does not allow an overall assessment. In 2008, the highest concentrations of oxidized nitrogen were found in the Gulf of Riga, and in Lithuanian, Swedish, German, Belgian, and Scottish coastal waters. Between 1985 and 2008, 12% of all the stations in the European seas reported to the EEA showed decreasing trends of oxidized nitrogen concentrations. These trends were more evident in the open Baltic Sea and in the Dutch and German coastal waters in the North Sea. In 2008, the highest orthophosphate concentrations were found at Finnish coastal stations in the Gulf of Finland, the Gulf of Riga, German, Belgian, French, and Scottish coastal waters. Between 1985 and 2008, 15% of all the stations in the European seas reported to the EEA showed a decrease in orthophosphate concentrations, mainly because of improved waste water treatment. This decrease was most evident in Norwegian, Lithuanian, Danish, Belgian and Dutch coastal water stations, and in the open waters of the North and Baltic Seas.
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Nutrients in transitional, coastal and marine waters
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Nutrients in transitional, coastal and marine waters (CSI 021) - Assessment published Nov 2005
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Phosphate concentrations in some coastal sea areas of the Baltic and North Seas have decreased over recent years, but they have remained stable in the Celtic Sea and increased in some Italian coastal areas. Nitrate concentrations have generally remained stable over recent years in the Baltic, North and Celtic Seas but have increased in some Italian coastal areas.
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Nutrients in transitional, coastal and marine waters
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Change in winter oxidized nitrogen concentrations in coastal and open waters of the North East Atlantic, Baltic, Mediterranean and North Seas, for stations that include observations made in 2005 (left panel) and those that do not (right panel), (this list also includes the countries that have not submitted any nutrient observations to the EEA)
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Countries included in the analysis:
Belgium, Denmark, Estonia, Finland, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Netherlands, Norway, Poland, Sweden, United Kingdom
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Trends in nutrient concentrations in transitional, coastal and marine waters, 1985-2005
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How to read the graph: About 1 % of stations in the NE Atlantic reported a significant decrease of oxidized nitrogen concentrations between 19852005, the remainder reported no change
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Summary of trends in winter nitrate and phosphate concentration, and N/P ratio in the coastal waters of the North Atlantic (mostly Celtic Seas), the Baltic Sea, the Mediterranean and the North Sea, 1985-2003
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Trend analyses are based on time series 1985-2003 from each monitoring station having at least 3 years data in the period 1995-2003 and at least 5 years data in all
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Summary of trends in winter nitrate and phosphate concentration, and N/P ratio in the coastal waters of the North Atlantic (mostly Celtic Seas), the Baltic Sea, the Mediterranean and the North Sea, 1985-2005
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Trend analyses are based on time series 1985-2005 from each monitoring station having at least 3 years data in the period 1995-2005 and at least 5 years data in all
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Change in winter nitrate and phosphate concentrations in coastal and open waters of the north Atlantic (mostly Celtic Seas), Baltic, Mediterranean (Italian coastal waters only) and North Seas (% of stations, 1985-2004/2005)
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This is part of the EEA core set indicator 21 (http://themes.eea.europa.eu/Specific_media/water/indicators)
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Winter oxidized nitrogen (NO2 + NO3) concentrations in European seas in 2008
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The map shows the winter oxidized nitrogen concentrations in the European coastal and open waters in 2008.
The low category refers to values within the lowest 20th percentile and the high category refers to values within the upper 20th percentile of concentrations in a regional sea
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Change in winter orthophosphate concentrations in coastal and open waters of the North East Atlantic, Baltic, Mediterranean and North Seas
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The figure shows change in winter orthophosphate concentrations in coastal and open waters of the North East Atlantic, Baltic, Mediterranean and North Seas, 1985-2008
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