[DISCONTINUED] Biochemical oxygen demand in rivers
Description
Dataset replaced by: http://data.europa.eu/euodp/data/dataset/rYsd2bjHKGttQApfJr4GRA
This indicator is defined as the mean annual BOD5 in rivers, weighted by the number of measuring stations. BOD5 is is a measure of the amount of oxygen required by aerobic microorganisms to decompose organic substances in a water sample over a period of five days in the dark at 20°C. It is a measure of the quality of water: the lower the value of BOD5, the higher the water quality
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