Figure

Trends in total ammonium concentrations at river stations in European countries between 1992 and 2002

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 26 Aug 2017

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Topics: Water and marine environment

This page was archived on 26 Aug 2017 with reason: A new version has been published

Number of river monitoring stations included in analysis noted in brackets

https://www.eea.europa.eu/data-and-maps/figures/trends-in-total-ammonium-concentrations-at-river-stations-in-european-countries-between-1992-and-2002/eea1122v_csi-19.eps/image_large

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Rights:: EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Owners:: European Environment Agency (EEA)
Figure type:: Graph

Additional information

BOD5 data used for all countries except Estonia where BOD7 data used. Data are from representative river stations. Stations that have no designation of type are assumed to be representative and are included in the analysis. Time series trends have been calculated using only stations that have recorded concentrations for at least 4 of the years included in the time series. Sen&#39;s Test then applied to determine statistically significant trends in the data (see Methodology section for further details).