File:Biochemical oxygen demand in rivers, by country, 2015 and 2020 (mg O2 per litre).png
![File:Biochemical oxygen demand in rivers, by country, 2015 and 2020 (mg O2 per litre).png](/eurostat/statistics-explained/images/thumb/a/ab/Biochemical_oxygen_demand_in_rivers%2C_by_country%2C_2015_and_2020_%28mg_O2_per_litre%29.png/800px-Biochemical_oxygen_demand_in_rivers%2C_by_country%2C_2015_and_2020_%28mg_O2_per_litre%29.png)
Size of this preview: 800 × 414 pixels. Other resolutions: 320 × 166 pixels | 2,001 × 1,035 pixels.
Original file (2,001 × 1,035 pixels, file size: 138 KB, MIME type: image/png)
null
File usage
There are no pages that use this file.