Trends in BOD concentrations at river stations in European countries between 1992 and 2005
BOD5 data used for all countries except Estonia, Finland, Latvia (1996-2001) and Lithuania (1996-2005) 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 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).
For references, please go to http://www.eea.europa.eu/data-and-maps/figures/trends-in-bod-concentrations-at-river-stations-in-european-countries-between-1992-and-2005 or scan the QR code.
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