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BOD5 concentrations in rivers between 1992 and 2005 in different regions of Europe

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Number of river monitoring stations included in analysis noted in brackets

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European data

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Northern Europe: Denmark (11). Western Europe: Austria (88), France (162), Luxembourg (3), United Kingdom (25). Eastern Europe: Czech Republic (58), Estonia (44), Hungary (89), Latvia (36), Lithuania (24), Slovakia (9), Slovenia (18). Southern Europe: Greece (11), Italy (63), Spain (133). Southeastern Europe: Bosnia and Herzegovina (6), Bulgaria (86), Macedonia FYR (9). BOD7 data from Estonia, Latvia (1996-2001) and Lithuania (1996-2005) were recalculated into BOD5 data. Concentrations are expressed as median of annual average concentrations. Data are from representative river stations. Stations that have no designation of type are assumed to be representative and are included in the analysis. Consistent time series trends between 1992 and 2005 (Western and Eastern Europe), between 1992-2004 (Northern Europe) and between 2000 and 2005 (Southern and Southestern Europe) have been calculated using only stations that have recorded concentrations for each year included in the time series, except one year missing concentrations for Bosnia and Herzegovina (2003), Denmark (2005), Greece (2005) and Luxembourg (2003).

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European Environment Agency (EEA)
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