File:Biochemical oxygen demand in rivers, by country, 2016 and 2021.png
![File:Biochemical oxygen demand in rivers, by country, 2016 and 2021.png](/eurostat/statistics-explained/images/thumb/b/bb/Biochemical_oxygen_demand_in_rivers%2C_by_country%2C_2016_and_2021.png/800px-Biochemical_oxygen_demand_in_rivers%2C_by_country%2C_2016_and_2021.png)
Size of this preview: 800 × 497 pixels. Other resolutions: 320 × 199 pixels | 1,001 × 622 pixels.
Original file (1,001 × 622 pixels, file size: 50 KB, MIME type: image/png)
null
File usage
The following page uses this file: