Temporal variability of litter pollution of rivers in Germany – A long-term assessment by schoolchildren as citizen scientists

Dittmann, Sinja ; Kiessling, Tim ; Knickmeier, Katrin ; Schönberg, Janto ; Brennecke, Dennis ; Hinzmann, Mandy ; Knoblauch, Doris ; Thiel, Martin. (2024). . Marine pollution bulletin, 209 http://dx.doi.org/10.1016/j.marpolbul.2024.117253